# OnFinality > OnFinality provides reliable multichain RPC APIs and dedicated blockchain nodes for production Web3 teams. ## Core product pages - [Blockchain RPC API Service](https://onfinality.io/en/api-service): Managed multichain RPC APIs for dApps, wallets, DeFi products, games, analytics tools, and backend services. - [Supported Networks](https://onfinality.io/en/networks): Mainnet and testnet networks supported by OnFinality RPC APIs and dedicated node infrastructure. - [RPC API Pricing](https://onfinality.io/en/pricing/rpc): RPC plans, free Developer access, response units, rate limits, and upgrade paths. - [Dedicated Nodes](https://onfinality.io/en/dedicated-node): Dedicated blockchain node infrastructure for isolated resources and custom node requirements. - [RPC Assistant](https://onfinality.io/en/rpc-assistant): Answers about RPC providers, endpoints, testnets, rate limits, troubleshooting, and production Web3 infrastructure. - [OnFinality Learn](https://onfinality.io/en/learn): Technical guides for blockchain RPC, nodes, Web3 infrastructure, and application reliability. - [Enterprise Node Infrastructure](https://onfinality.io/en/enterprise-node): Enterprise blockchain infrastructure and managed node solutions. - [Contact OnFinality](https://onfinality.io/en/contact-us): Contact the OnFinality team about RPC APIs, dedicated nodes, and enterprise infrastructure. ## Supported network pages - [Abstract RPC & Nodes](https://onfinality.io/en/networks/abstract): RPC API access. An Ethereum zkSync ZK Stack Layer 2 built for consumer crypto, account abstraction, games, and social apps. - [Acala RPC & Nodes](https://onfinality.io/en/networks/acala-polkadot): dedicated node infrastructure. A DeFi hub on Polkadot enabling stablecoins, staking, and cross-chain liquidity. - [Ajuna RPC & Nodes](https://onfinality.io/en/networks/ajuna): dedicated node infrastructure. Ajuna Network's Polkadot parachain - [Aleph Zero RPC & Nodes](https://onfinality.io/en/networks/aleph-zero): dedicated node infrastructure. A privacy-first, high-speed Layer-1 blockchain for Web3 scalability. - [Aleph Zero Testnet RPC & Nodes](https://onfinality.io/en/networks/aleph-zero-testnet): dedicated node infrastructure. Privacy-enhancing public blockchain with instant finality - [Altair RPC & Nodes](https://onfinality.io/en/networks/altair): RPC and dedicated node infrastructure. Altair is the experimental, boundary-pushing little brother to Centrifuge. - [Anmol RPC & Nodes](https://onfinality.io/en/networks/anmol): dedicated node infrastructure. The First Multi-Chain Web3 Toolkit - [Aptos RPC & Nodes](https://onfinality.io/en/networks/aptos): RPC API access. The World's Most Production-Ready Blockchain - [Arbitrum RPC & Nodes](https://onfinality.io/en/networks/arbitrum): RPC and dedicated node infrastructure. An Ethereum Layer 2 using optimistic rollups for fast, low-cost, EVM-compatible applications. - [Arbitrum Sepolia RPC & Nodes](https://onfinality.io/en/networks/arbitrum-sepolia): RPC API access. Arbitrum’s Sepolia Testnet - [Asset Hub kusama RPC & Nodes](https://onfinality.io/en/networks/assethub-kusama): RPC and dedicated node infrastructure. assethub-kusama - [Asset Hub Polkadot RPC & Nodes](https://onfinality.io/en/networks/statemint): RPC and dedicated node infrastructure. Polkadot's common-good parachain for fungible and non-fungible assets, XCM transfers, and onchain asset management. - [Astar RPC & Nodes](https://onfinality.io/en/networks/astar): RPC and dedicated node infrastructure. The Future of Smart Contracts for Multichain - [Automata RPC & Nodes](https://onfinality.io/en/networks/automata): dedicated node infrastructure. A privacy-first attestation layer delivering machine-level trust for Web3. - [Automata Contextfree RPC & Nodes](https://onfinality.io/en/networks/contextfree): dedicated node infrastructure. The Canary Network for Automata - [Avail RPC & Nodes](https://onfinality.io/en/networks/avail): RPC and dedicated node infrastructure. A modular data layer unifying liquidity and scalability across blockchains. - [Avail Turing RPC & Nodes](https://onfinality.io/en/networks/avail-turing): RPC and dedicated node infrastructure. Avail's Turing Testnet - [Avalanche RPC & Nodes](https://onfinality.io/en/networks/avalanche): RPC API access. Blazingly Fast, Low Cost, and Eco-Friendly. - [Bajun RPC & Nodes](https://onfinality.io/en/networks/bajun): dedicated node infrastructure. Ajuna Network's Kusama parachain. - [Base RPC & Nodes](https://onfinality.io/en/networks/base): RPC API access. An Ethereum Layer 2 built on the OP Stack for low-cost, high-throughput dApps, wallets, and onchain users. - [Base-Sepolia RPC & Nodes](https://onfinality.io/en/networks/base-sepolia): RPC API access. Base is a secure, low-cost, builder-friendly Ethereum L2 built. - [Bifrost Asgard RPC & Nodes](https://onfinality.io/en/networks/bifrost-asgard): dedicated node infrastructure. A pre-production network for Bifrost - [Bifrost Kusama RPC & Nodes](https://onfinality.io/en/networks/bifrost-parachain): dedicated node infrastructure. Bifrost's Kusama Parachain - [Bifrost Polkadot RPC & Nodes](https://onfinality.io/en/networks/bifrost-polkadot): dedicated node infrastructure. Modular liquid-staking protocol delivering cross-chain yields for PoS assets. - [Bitcoin RPC & Nodes](https://onfinality.io/en/networks/bitcoin): RPC API access. Bitcoin is an innovative payment network and a new kind of money - [Bitcoin Testnet RPC & Nodes](https://onfinality.io/en/networks/bitcoin-testnet): RPC API access. Bitcoin is an innovative payment network and a new kind of money - [Bitgreen RPC & Nodes](https://onfinality.io/en/networks/bitgreen): dedicated node infrastructure. A blockchain ecosystem powering sustainability and green finance. - [Bittensor RPC & Nodes](https://onfinality.io/en/networks/bittensor-finney): RPC and dedicated node infrastructure. A decentralized machine-learning network where subnets coordinate intelligence and TAO incentives. - [BNB Chain Testnet RPC & Nodes](https://onfinality.io/en/networks/bnb-testnet): RPC and dedicated node infrastructure. BNB Smart Chain Testnet - [BNB Smart Chain RPC & Nodes](https://onfinality.io/en/networks/bnb): RPC and dedicated node infrastructure. An EVM-compatible Layer 1 for low-cost DeFi, wallets, games, exchanges, and high-volume applications. - [Bridge Hub Kusama RPC & Nodes](https://onfinality.io/en/networks/bridgehub-kusama): RPC and dedicated node infrastructure. The development of bridges to connect other networks - [Bridge Hub Polkadot RPC & Nodes](https://onfinality.io/en/networks/bridgehub-polkadot): RPC and dedicated node infrastructure. The development of bridges to connect other networks - [Bridge Hub Westend RPC & Nodes](https://onfinality.io/en/networks/bridgehub-westend): dedicated node infrastructure. The development of bridges to connect other networks - [Celo RPC & Nodes](https://onfinality.io/en/networks/celo): RPC API access. Celo is the carbon-negative, mobile-first, EVM-compatible blockchain ecosystem - [Centrifuge Parachain RPC & Nodes](https://onfinality.io/en/networks/centrifuge-parachain): RPC and dedicated node infrastructure. A tokenization platform turning real world assets into on chain opportunities. - [Clover RPC & Nodes](https://onfinality.io/en/networks/clover): dedicated node infrastructure. Substrate-based smart contracts platform. - [Collectives RPC & Nodes](https://onfinality.io/en/networks/collectives): RPC and dedicated node infrastructure. Parity's Common Good Parachain on Polkadot - [Commune AI RPC & Nodes](https://onfinality.io/en/networks/commune): dedicated node infrastructure. A place for everyone to develop, design, and create. - [Composable Finance RPC & Nodes](https://onfinality.io/en/networks/composable): dedicated node infrastructure. Composing DeFi for Mass Adoption - [Compound Gateway RPC & Nodes](https://onfinality.io/en/networks/compound): dedicated node infrastructure. Cross-Chain Interest Rate Markets - [Coretime Kusama RPC & Nodes](https://onfinality.io/en/networks/coretime-kusama): RPC and dedicated node infrastructure. Coretime is a parachain on the Kusama network - [Coretime Polkadot RPC & Nodes](https://onfinality.io/en/networks/coretime-polkadot): RPC and dedicated node infrastructure. Coretime is a parachain on the Polkadot network - [Crab RPC & Nodes](https://onfinality.io/en/networks/crab): dedicated node infrastructure. Universal cross-chain messaging network on Kusama - [Crust RPC & Nodes](https://onfinality.io/en/networks/crust): RPC and dedicated node infrastructure. Web3.0 Storage for the Metaverse - [Crust Polkadot RPC & Nodes](https://onfinality.io/en/networks/crust-polkadot): dedicated node infrastructure. Complete Your Web3 Journey With Decentralized Storage - [Darwinia RPC & Nodes](https://onfinality.io/en/networks/darwinia2): dedicated node infrastructure. Darwinia2 - [Dymension RPC & Nodes](https://onfinality.io/en/networks/dymension): RPC API access. Dymension L1 is a decentralized Chain Launchpad. - [Edgeware RPC & Nodes](https://onfinality.io/en/networks/edgeware): dedicated node infrastructure. A DAO-first smart contract platform. - [Efinity RPC & Nodes](https://onfinality.io/en/networks/efinity): dedicated node infrastructure. Next-generation Blockchain for NFTs - [Encointer RPC & Nodes](https://onfinality.io/en/networks/encointer): dedicated node infrastructure. Money by the People. For the People. - [Equilibrium Parachain RPC & Nodes](https://onfinality.io/en/networks/equilibrium): dedicated node infrastructure. One-stop platform to earn, borrow, trade at max efficiency - [Ethereum RPC & Nodes](https://onfinality.io/en/networks/eth): RPC and dedicated node infrastructure. The programmable Layer 1 for smart contracts, DeFi, wallets, and global Web3 applications. - [Fantom RPC & Nodes](https://onfinality.io/en/networks/fantom): RPC API access. Performance matters. - [Frequency Parachain RPC & Nodes](https://onfinality.io/en/networks/frequency-polkadot): RPC and dedicated node infrastructure. Revolutionizing social networks - [Gnosis RPC & Nodes](https://onfinality.io/en/networks/gnosis): RPC and dedicated node infrastructure. The Community-Run Chain - [HydraDX RPC & Nodes](https://onfinality.io/en/networks/hydradx): dedicated node infrastructure. An Ocean of Liquidity for Polkadot - [Hyperliquid RPC & Nodes](https://onfinality.io/en/networks/hyperliquid): RPC API access. A performance-focused Layer 1 for onchain trading and HyperEVM applications, optimized for low-latency execution. - [Integritee Kusama RPC & Nodes](https://onfinality.io/en/networks/integritee-kusama): dedicated node infrastructure. Privacy enabling network with a Parachain on Kusama. - [Integritee Polkadot RPC & Nodes](https://onfinality.io/en/networks/integritee-parachain): dedicated node infrastructure. Integritee Parachain. Unchain the value of sensitive data at scale. - [Interlay RPC & Nodes](https://onfinality.io/en/networks/interlay): dedicated node infrastructure. The Bitcoin DeFi Protocol - [Interlay Kintsugi RPC & Nodes](https://onfinality.io/en/networks/kintsugi): dedicated node infrastructure. Kintsugi is Interlay's canary network - [InvArch Tinkernet RPC & Nodes](https://onfinality.io/en/networks/invarch-tinkernet): dedicated node infrastructure. The Bleeding-Edge Of The Creator Economy. - [IoTex RPC & Nodes](https://onfinality.io/en/networks/iotex): RPC API access. Connect Smart Devices to Smart Contracts - [Kaia RPC & Nodes](https://onfinality.io/en/networks/klaytn): RPC and dedicated node infrastructure. Powering Asia’s on-chain future - [Kapex Parachain RPC & Nodes](https://onfinality.io/en/networks/kapex-parachain): dedicated node infrastructure. Totem Kapex Parachain. Hold CEXs and DEXs to account in real time. - [Karura RPC & Nodes](https://onfinality.io/en/networks/karura): dedicated node infrastructure. The DeFi hub of Kusama - [Kava RPC & Nodes](https://onfinality.io/en/networks/kava): RPC API access. Leading The World To Web3 - [Kilt Mashnet RPC & Nodes](https://onfinality.io/en/networks/kilt-mashnet): dedicated node infrastructure. Kilt's deprecated testnet - [Kilt Peregrine RPC & Nodes](https://onfinality.io/en/networks/kilt-peregrine): dedicated node infrastructure. Learn and test the KILT Protocol - [Kilt Spiritnet RPC & Nodes](https://onfinality.io/en/networks/spiritnet): dedicated node infrastructure. The KILT Protocol mainnet - [krest RPC & Nodes](https://onfinality.io/en/networks/krest): dedicated node infrastructure. peaq’s canary network on Kusama - [Kusama RPC & Nodes](https://onfinality.io/en/networks/kusama): RPC and dedicated node infrastructure. Polkadot's canary network - [Litentry RPC & Nodes](https://onfinality.io/en/networks/litentry): dedicated node infrastructure. A decentralized Identity aggregation protocol with privacy - [Litmus RPC & Nodes](https://onfinality.io/en/networks/litmus-onfinality-key): dedicated node infrastructure. Litmus is a companion canary network to Litentry - [Mangata X RPC & Nodes](https://onfinality.io/en/networks/mangatax): dedicated node infrastructure. A community-owned exchange for experienced traders & experimental tokens - [Manta-Atlantic RPC & Nodes](https://onfinality.io/en/networks/manta): dedicated node infrastructure. Manta Atlantic - The Multi-modular Blockchain for ZK Applications - [Mantle RPC & Nodes](https://onfinality.io/en/networks/mantle): RPC API access. Mass adoption of token-governed technologies - [Metis RPC & Nodes](https://onfinality.io/en/networks/metis): RPC API access. Metis making blockchain accessible + affordable + adaptable - [Monad Mainnet RPC & Nodes](https://onfinality.io/en/networks/monad-mainnet): RPC API access. An EVM-compatible Layer 1 designed for high throughput, sub-second finality, low fees, and scalable decentralization. - [Monad Testnet RPC & Nodes](https://onfinality.io/en/networks/monad-testnet): RPC API access. Monad: EVM chain w/ 10k TPS, <1s finality, low fees, scalable decentralization. - [Moonbase Alpha RPC & Nodes](https://onfinality.io/en/networks/moonbeam-alpha): RPC and dedicated node infrastructure. Fueling the next generation of DeFi applications on Moonbeam. - [Moonbeam RPC & Nodes](https://onfinality.io/en/networks/moonbeam): RPC and dedicated node infrastructure. An Ethereum-compatible smart contract parachain on Polkadot. - [Moonriver RPC & Nodes](https://onfinality.io/en/networks/moonriver): RPC and dedicated node infrastructure. Moonbeam's Community-Led Sister Parachain on Kusama - [Nodle Parachain RPC & Nodes](https://onfinality.io/en/networks/nodle-parachain): dedicated node infrastructure. Nodle is a connectivity provider for the Internet of Things - [Nodle Paradis RPC & Nodes](https://onfinality.io/en/networks/paradis): dedicated node infrastructure. Nodle Tesnet on Paseo - [Optimism RPC & Nodes](https://onfinality.io/en/networks/optimism): RPC API access. Optimism is a low-cost and lightning-fast Ethereum L2 blockchain - [Optimism Sepolia RPC & Nodes](https://onfinality.io/en/networks/optimism-sepolia): RPC API access. Optimism’s Sepolia Testnet - [OriginTrail RPC & Nodes](https://onfinality.io/en/networks/origintrail): dedicated node infrastructure. Bringing AI-ready Knowledge Assets to Polkadot - [Parallel RPC & Nodes](https://onfinality.io/en/networks/parallel): dedicated node infrastructure. Decentralized lending, staking, and borrowing built on the Polkadot Ecosystem. - [Parallel Heiko RPC & Nodes](https://onfinality.io/en/networks/parallel-heiko): dedicated node infrastructure. parallel-heiko - [peaq RPC & Nodes](https://onfinality.io/en/networks/peaq): RPC and dedicated node infrastructure. Powering a global infrastructure revolution - [peaq agung RPC & Nodes](https://onfinality.io/en/networks/peaq-agung): RPC and dedicated node infrastructure. peaq’s agung testnet - [People Kusama RPC & Nodes](https://onfinality.io/en/networks/people-kusama): RPC and dedicated node infrastructure. People Chain on Kusama is a parachain focused on identity management. - [People Polkadot RPC & Nodes](https://onfinality.io/en/networks/people-polkadot): RPC and dedicated node infrastructure. Polkadot’s Identity Management Parachain - [Phala RPC & Nodes](https://onfinality.io/en/networks/phala): dedicated node infrastructure. Computation for Web 3 - [Pichiu RPC & Nodes](https://onfinality.io/en/networks/pichiu-oracle): dedicated node infrastructure. Kylin’s canary parachain on Kusama - [Pioneer RPC & Nodes](https://onfinality.io/en/networks/pioneer): dedicated node infrastructure. A community-owned metaverse where anyone can build and earn. - [Plasma RPC & Nodes](https://onfinality.io/en/networks/plasma): RPC API access. Stablecoin‑native,features full EVM compatibility, the tooling developers expect - [Polkadex RPC & Nodes](https://onfinality.io/en/networks/polkadex): dedicated node infrastructure. The trading engine for Web3 and DeFi - [Polkadot RPC & Nodes](https://onfinality.io/en/networks/polkadot): RPC and dedicated node infrastructure. The multichain vision for Web3 starts here. - [Polygon RPC & Nodes](https://onfinality.io/en/networks/polygon): RPC and dedicated node infrastructure. An Ethereum scaling network for low-cost, high-throughput DeFi, games, wallets, and consumer applications. - [Polygon Amoy RPC & Nodes](https://onfinality.io/en/networks/polygon-amoy): RPC API access. Polygon’s Amoy Testnet - [Quartz RPC & Nodes](https://onfinality.io/en/networks/quartz): dedicated node infrastructure. Deliver Innovation. Expect chaos. - [Reef RPC & Nodes](https://onfinality.io/en/networks/reef): dedicated node infrastructure. Reliable. Extensible. Efficient. Fast. - [Robonomics RPC & Nodes](https://onfinality.io/en/networks/robonomics): dedicated node infrastructure. Robonomics is an open-source platform for IoT applications. - [RubyIO RPC & Nodes](https://onfinality.io/en/networks/rubyio): dedicated node infrastructure. Ruby protocol is a private data management framework for Web 3.0. - [Scroll RPC & Nodes](https://onfinality.io/en/networks/scroll): RPC API access. A zkEVM Layer 2 that scales Ethereum with EVM compatibility, lower fees, and native security. - [Sepolia RPC & Nodes](https://onfinality.io/en/networks/eth-sepolia): RPC and dedicated node infrastructure. Ethereum Sepolia Testnet - [Shiden RPC & Nodes](https://onfinality.io/en/networks/shiden): RPC and dedicated node infrastructure. Multi Chain dApp Hub on Kusama - [Solana RPC & Nodes](https://onfinality.io/en/networks/solana): RPC API access. A high-throughput Layer 1 for fast, low-cost applications, DeFi, gaming, and real-time transactions. - [Solana Devnet RPC & Nodes](https://onfinality.io/en/networks/solana-devnet): RPC API access. Solana--Powerful for developers. It's fast for everyone. - [Sonic RPC & Nodes](https://onfinality.io/en/networks/sonic): RPC API access. A high-performance EVM Layer 1 with sub-second finality and high throughput for next-generation dApps. - [Sora RPC & Nodes](https://onfinality.io/en/networks/sora): dedicated node infrastructure. SORA is a New World Economic Order - [Starknet RPC & Nodes](https://onfinality.io/en/networks/starknet): RPC API access. It is the secure scaling technology bringing Ethereum’s benefits to the world. - [Statemine RPC & Nodes](https://onfinality.io/en/networks/statemine): dedicated node infrastructure. Common good generic assets parachain on Kusama - [Stellar RPC & Nodes](https://onfinality.io/en/networks/stellar): RPC and dedicated node infrastructure. Stellar is Where Blockchain Meets the real world - [Subsocial RPC & Nodes](https://onfinality.io/en/networks/subsocial-polkadot): dedicated node infrastructure. Web3 Social Platform - [Sui Mainnet RPC & Nodes](https://onfinality.io/en/networks/sui): RPC API access. An object-centric Layer 1 for fast, scalable assets, DeFi, gaming, and consumer applications. - [Tangle RPC & Nodes](https://onfinality.io/en/networks/tangle): dedicated node infrastructure. Modular Restaking Infrastructure - [Ternoa RPC & Nodes](https://onfinality.io/en/networks/ternoa): dedicated node infrastructure. A scalable layer 1 appchain, focused on composable NFTs - [TON RPC & Nodes](https://onfinality.io/en/networks/ton): RPC API access. The Open Network for everyone - [TON Testnet RPC & Nodes](https://onfinality.io/en/networks/ton-testnet): RPC API access. The Open Network for everyone - [Unichain RPC & Nodes](https://onfinality.io/en/networks/unichain): RPC API access. Designed for DeFi. Powered by Uniswap. - [Unichain Sepolia RPC & Nodes](https://onfinality.io/en/networks/unichain-sepolia): RPC API access. Unichain’s Sepolia Testnet - [Unique Network RPC & Nodes](https://onfinality.io/en/networks/unique): dedicated node infrastructure. Build Next Generation NFTs - [Vara RPC & Nodes](https://onfinality.io/en/networks/vara): dedicated node infrastructure. Web3's Paradigm Shift - [Westend RPC & Nodes](https://onfinality.io/en/networks/westend): RPC and dedicated node infrastructure. Polkadot's Testnet - [Westmint RPC & Nodes](https://onfinality.io/en/networks/westmint): dedicated node infrastructure. Test network for Statemine & Statemint - [Xcavate Solochain RPC & Nodes](https://onfinality.io/en/networks/xcavate-solochain): RPC API access. Xcavate Solochain - [xx network RPC & Nodes](https://onfinality.io/en/networks/xx): dedicated node infrastructure. Building a world where your life belongs to you. - [Zeitgeist RPC & Nodes](https://onfinality.io/en/networks/zeitgeist): dedicated node infrastructure. Building Systems Where The Truth Wins - [Zenchain Testnet RPC & Nodes](https://onfinality.io/en/networks/zenchain-testnet): RPC and dedicated node infrastructure. Bringing Satoshi's Vision Alive - [ZKsync RPC & Nodes](https://onfinality.io/en/networks/zksync): RPC API access. The Elastic Network - [ZKsync Sepolia RPC & Nodes](https://onfinality.io/en/networks/zksync-sepolia): RPC API access. The Elastic Network ## RPC provider comparisons - [Compare RPC Providers](https://onfinality.io/en/compare): Comparison hub for OnFinality and other Web3 infrastructure providers. - [OnFinality vs Alchemy](https://onfinality.io/en/compare/alchemy): Compare OnFinality and Alchemy for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Ankr](https://onfinality.io/en/compare/ankr): Compare OnFinality and Ankr for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Blast API](https://onfinality.io/en/compare/blast): Compare OnFinality and Blast API for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Blockdaemon](https://onfinality.io/en/compare/blockdaemon): Compare OnFinality and Blockdaemon for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Chainstack](https://onfinality.io/en/compare/chainstack): Compare OnFinality and Chainstack for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Dwellir](https://onfinality.io/en/compare/dwellir): Compare OnFinality and Dwellir for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs GetBlock](https://onfinality.io/en/compare/getblock): Compare OnFinality and GetBlock for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Infura](https://onfinality.io/en/compare/infura): Compare OnFinality and Infura for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Pocket Network](https://onfinality.io/en/compare/pocket): Compare OnFinality and Pocket Network for supported chains, pricing, limits, reliability, and infrastructure features. - [OnFinality vs Quicknode](https://onfinality.io/en/compare/quicknode): Compare OnFinality and Quicknode for supported chains, pricing, limits, reliability, and infrastructure features. ## Latest technical guides - [ethgetLogs Block Range Limits and Safe Chunking](https://onfinality.io/en/learn/eth-getlogs-block-range-limits-chunking): Learn how ethgetLogs range caps work, implement adaptive chunking, and reconcile results to guarantee complete log scans across any EVM provider. - [JSON-RPC -32600 Invalid Request: Envelope Validation](https://onfinality.io/en/learn/json-rpc-invalid-request-32600-envelope-validation): Learn to validate the JSON-RPC 2.0 request envelope so -32600 Invalid Request never reaches production. Covers spec ordering, batch rules, id types, and a runnable Node.js validator. - [JSON-RPC -32700 Parse Error: Diagnosing Malformed Payloads](https://onfinality.io/en/learn/json-rpc-parse-error-32700-debugging): Diagnose JSON-RPC -32700 Parse error: why the server never parsed your request, how to capture the exact bytes, replay with curl, and separate client vs server faults. - [JSON-RPC Over HTTP, WebSocket, and IPC: Choosing a Transport](https://onfinality.io/en/learn/json-rpc-over-http-websocket-transports): Understand how JSON-RPC 2.0 semantics differ across HTTP, WebSocket, and IPC. Learn transport selection, batching, subscriptions, and troubleshooting for production apps. - [Solana getSignaturesForAddress Pagination Deep Dive](https://onfinality.io/en/learn/solana-getsigforaddress-signature-pagination): Learn gap-free pagination for Solana getSignaturesForAddress: cursor semantics, retention boundaries, commitment, and a runnable Node.js walker. - [JSON-RPC -32602 Invalid Params: Validating RPC Arguments](https://onfinality.io/en/learn/rpc-invalid-params-32602-argument-validation): Learn why JSON-RPC -32602 Invalid params fires, how to validate params against the spec, and how to bisect offending arguments with curl and Node.js examples. - [JSON-RPC -32603 Internal Error: Causes and Debugging](https://onfinality.io/en/learn/rpc-error-32603-internal-error-debugging): Learn what JSON-RPC -32603 means, how to bisect client vs node vs provider faults, and how to debug ethestimateGas failures with a reproducible method. - [JSON-RPC Error Object: Decode code, message, data](https://onfinality.io/en/learn/json-rpc-error-object-decode-code-message-data): Decode JSON-RPC error objects by code, message, and data. Build type guards, classify retry vs fix, and measure errors against your own endpoint. - [JSON-RPC id Correlation and Batch Response Ordering](https://onfinality.io/en/learn/json-rpc-notification-id-correlation-batch-ordering): Learn the JSON-RPC 2.0 id correlation contract, notification rules, and batch ordering behavior, with a runnable Node.js example and a reproducible test table. - [RPC Method Not Found (-32601): Namespaces and Endpoint Capabilities](https://onfinality.io/en/learn/rpc-method-not-found-32601-namespaces): Diagnose JSON-RPC -32601 Method not found: distinguish typos from disabled namespaces, probe endpoint capabilities, and choose the right node type. - [JSON-RPC Idempotency: Preventing Duplicate Writes on Retry](https://onfinality.io/en/learn/json-rpc-idempotency-duplicate-request-safety): Learn why retrying ethsendRawTransaction can double-submit, and build an at-most-once JSON-RPC client using nonces, tx hashes, and check-then-resend. - [Multi-Endpoint RPC Consistency: Head Lag and Conflicting Reads](https://onfinality.io/en/learn/rpc-multi-endpoint-consistency-head-lag): Learn why load-balanced RPC endpoints disagree at the chain head, how block tags change the question, and how to pin heights, enforce monotonicity, and reconcile reads. - [Reading RPC Rate-Limit Headers: X-RateLimit and Retry-After](https://onfinality.io/en/learn/rpc-rate-limit-headers-retry-after): Read RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset and Retry-After on RPC responses, pace requests proactively, and measure your endpoint's real ceiling. - [Replacement Transaction Underpriced: Fix Stuck EVM Transactions](https://onfinality.io/en/learn/eth-sendrawtransaction-replacement-underpriced): Learn why 'replacement transaction underpriced' occurs and how to bump or cancel a stuck EVM transaction using correct nonce and fee logic. - [RPC API Key Rotation: Zero-Downtime Credential Lifecycle](https://onfinality.io/en/learn/rpc-api-key-rotation-zero-downtime): Learn how to rotate RPC API keys, JWTs, and project IDs with a two-key overlap, secret-store indirection, and a drain window that avoids outages. - [Multi-Region RPC Failover: Latency-Aware Routing and Health-Based Failover](https://onfinality.io/en/learn/rpc-multi-region-failover-latency-routing): Learn multi-region RPC failover: topology choices, health probes, latency routing, circuit breakers, and a runnable TypeScript router with verification steps. - [RPC Connection Reuse and HTTP/2 Keep-Alive: Why New Connections Cost Latency](https://onfinality.io/en/learn/rpc-connection-multiplexing-keepalive-http2): Understand how connection reuse, HTTP/1.1 keep-alive, and HTTP/2 multiplexing reduce RPC latency and prevent spurious resets. Includes Node.js tuning and measurement. - [RPC Request Hedging: Cut Tail Latency Across Endpoints](https://onfinality.io/en/learn/rpc-request-hedging-tail-latency): Implement request hedging for JSON-RPC reads to cut p99 tail latency across multiple endpoints. Includes TypeScript example, cost tradeoffs, and measurement guidance. - [RPC WebSocket Reconnect Without Data Loss: Gap Detection and Backfill](https://onfinality.io/en/learn/rpc-websocket-reconnect-gap-recovery): Detect and backfill missed events after an RPC WebSocket reconnect. Cursor checkpoints, bounded ethgetLogs backfill, dedupe, and a verification loop. - [Solana Commitment Levels: processed vs confirmed vs finalized](https://onfinality.io/en/learn/solana-commitment-levels-transaction-confirmation): Understand Solana processed, confirmed and finalized commitment levels, how they affect RPC reads, getSignatureStatuses polling, expiry and settlement safety. - [Bittensor Staking State Over RPC: Reading Delegation, Alpha Stakes, and Pool State](https://onfinality.io/en/learn/bittensor-subtensor-staking-read-path-rpc): Read Bittensor staking state over RPC: decode delegation, alpha stakes, and pool reserves. Avoid common pitfalls and verify positions correctly. - [Building a Block-by-Block EVM Indexer: Joining Blocks, Transactions, and Receipts](https://onfinality.io/en/learn/block-by-block-evm-indexer-reconciliation): Build a restartable EVM indexer: join blocks, transactions, and receipts with atomic cursors, reorg checks, and a results table to verify your endpoint. - [Hyperliquid Funding Rate Mechanics: predictedFundings vs fundingHistory](https://onfinality.io/en/learn/hyperliquid-funding-rate-mechanics-api): Entiende la financiación horaria de Hyperliquid, lee predictedFundings vs fundingHistory y calcula la financiación realizada con un script. - [Solana getBlock Rewards vs Transaction Fees: Lamport Flow](https://onfinality.io/en/learn/solana-getblock-rewards-vs-transaction-fees): Understand Solana getBlock rewards, rewardType values, and how to reconcile transaction fees against block-level lamport flow with a runnable script and checklist. - [Sui Checkpoint Streaming: gRPC Ledger Service and Continuity](https://onfinality.io/en/learn/sui-checkpoint-stream-ledger-service): Understand Sui checkpoint contents, suigetCheckpoint vs suigetCheckpoints pagination, and gRPC ledger streaming to build gap-free indexers. - [ethgetBlockReceipts: Bulk Receipts in One Call](https://onfinality.io/en/learn/ethereum-eth-getblockreceipts-bulk-receipts): Learn how ethgetBlockReceipts returns every block receipt in one call, how it beats looping ethgetTransactionReceipt, and how to build a resilient block pass. - [Polygon Bor Sprints, Spans, and Validator Sets Over RPC](https://onfinality.io/en/learn/polygon-bor-sprint-span-validator-set-rpc): Understand Polygon Bor block production: sprints, spans, validator set changes, and how to read producer state over RPC with borgetSnapshot and borgetSigners. - [Querying Sui Events Over RPC: suixqueryEvents, Filters, and Cursor Pagination](https://onfinality.io/en/learn/sui-rpc-query-events-filter-pagination): Master Sui event queries: suixqueryEvents filters, MoveEventType matching, cursor pagination, and a Node.js polling pattern for reliable indexers. - [Reading Polkadot Block Data: Extrinsics, Events, and Storage at a Specific Block](https://onfinality.io/en/learn/polkadot-rpc-extrinsics-events-at-block): Learn how chaingetBlock returns SCALE-encoded extrinsics, why events live in System.Events, and how to decode both against the correct runtime metadata. - [Scanning BNB Smart Chain Logs at Scale: ethgetLogs Range Limits and Safe Pagination](https://onfinality.io/en/learn/bsc-eth-getlogs-range-limits-large-scans): Avoid BSC ethgetLogs range caps, timeouts, and silent gaps. Learn safe pagination, backoff, dedupe, and cursor persistence for complete ERC-20 transfer scans. - [Ethereum ethsubscribe: Logs and Head Subscriptions vs Polling Filters](https://onfinality.io/en/learn/ethereum-eth-subscribe-logs-vs-websocket-polling): Master Ethereum ethsubscribe: understand newHeads and logs channels, subscription lifecycle, reconnect handling, and when polling filters are better. - [Hyperliquid Oracle Prices and the Builder Auction: Reading Market State](https://onfinality.io/en/learn/hyperliquid-oracle-price-builder-auction-info-api): Understand Hyperliquid oracle price timestamps and the builder/data-availability auction (HIP-3/4), then use info API endpoints to read current market state reliably. - [Reading Bittensor Metagraph State: Weights, Emissions, and Dividends from a Subtensor Node](https://onfinality.io/en/learn/bittensor-metagraph-weights-emission-subtensor-rpc): Understand and query the Bittensor metagraph: weights, consensus, emissions, dividends. Reproducible examples and troubleshooting for subtensor RPC reads. - [Reading Solana Accounts: getAccountInfo, Rent Exemption, and Token Balances](https://onfinality.io/en/learn/solana-account-info-rent-token-accounts-rpc): Understand Solana account structure, rent exemption, and how to correctly read balances and token holdings via getAccountInfo, getBalance, and getTokenAccountsByOwner. - [Reading Sui Objects Over RPC: getObject, Dynamic Fields, and Pagination](https://onfinality.io/en/learn/sui-rpc-get-objects-dynamic-fields-pagination): Master Sui object reads: getObject, multiGetObjects, dynamic fields, owned objects, and cursor pagination with curl examples and troubleshooting. - [Tracking Base Cross-Chain Events: Deposit Logs and Withdrawal Proofs](https://onfinality.io/en/learn/base-op-stack-deposit-events-withdrawal-proofs-rpc): Track Base deposits and withdrawals via RPC: parse TransactionDeposited logs, verify L2 receipts, prove and finalize withdrawals with output roots and dispute games. - [Estimating Gas Price with ethfeeHistory: Base Fee and Priority Fee Percentiles](https://onfinality.io/en/learn/ethereum-eth-feehistory-base-fee-priority-fee-estimation): Understand EIP-1559 fee mechanics and use ethfeeHistory to estimate base fee and priority fee percentiles for accurate gas pricing. - [Ethereum ethgetLogs: Filtering Event Logs by Address and Topics](https://onfinality.io/en/learn/ethereum-eth-getlogs-event-topic-filtering): Master ethgetLogs address and topic filters. Understand indexed event encoding, block range limits, and efficient paging for Ethereum logs. - [Reading the Ethereum Mempool: The txpool Namespace and Pending Transactions](https://onfinality.io/en/learn/ethereum-transaction-pool-mempool-txpool-namespace): Understand the Ethereum transaction pool, use txpoolcontent/inspect/status, and know why hosted RPC providers often hide it. Includes curl examples and troubleshooting. - [Solana Blockhash Expiry and Durable Nonces: Safe Offline Signing](https://onfinality.io/en/learn/solana-durable-nonce-blockhash-expiry-safe-offline-signing): Understand Solana blockhash expiry and lastValidBlockHeight, and use durable nonces for safe offline signing. Includes code examples and troubleshooting. - [Substrate stategetMetadata and Runtime Versions: Querying Chain Metadata at Any Block](https://onfinality.io/en/learn/substrate-state-getmetadata-runtime-versions): Master stategetMetadata: query metadata at any block, understand v14/v15 formats, and handle runtime upgrades to prevent decoding errors. - [Checking Base OP-Stack Node Sync Status via op-node and op-reth Engine/Admin RPC](https://onfinality.io/en/learn/base-op-stack-node-sync-status-engine-api): Diagnose Base node sync with op-node and op-reth Engine/Admin RPC. Check unsafe/safe/finalized heads, detect stuck sync, and follow a troubleshooting checklist. - [Detecting RPC Node Head Lag and Stale Responses](https://onfinality.io/en/learn/detecting-rpc-node-behind-chain-tip-lag): Measure RPC node head lag across EVM, Solana, and Substrate. Detect stale responses and protect your app with cross-endpoint checks. - [Ethereum Transaction Tracing: tracetransaction vs debugtraceTransaction and tracecall](https://onfinality.io/en/learn/ethereum-rpc-transaction-tracing-trace-debug): Learn the difference between tracetransaction and debugtraceTransaction, how tracecall works, and how to choose the right tracing RPC for your Ethereum use case. - [Monad Transaction Lifecycle: Asynchronous Execution, Receipt Status, and Ordering](https://onfinality.io/en/learn/monad-transaction-lifecycle-async-execution-receipt-status): Learn how Monad's asynchronous execution changes transaction receipts, status, and ordering. Includes a Node.js polling script and troubleshooting tips. - [Polkadot Finality: GRANDPA Justifications, Finalized Head, and waitForFinalized over JSON-RPC](https://onfinality.io/en/learn/polkadot-finality-grandpa-justifications-json-rpc): GRANDPA finality, finalized vs best head, chaingetFinalizedHead, subscribeFinalizedHeads, and waitForFinalized for reliable Polkadot integrations. - [Base OP-Stack Finality: Safe, Finalized, and Latest Block Tags over RPC](https://onfinality.io/en/learn/base-op-stack-finality-safe-finalized-blocks-rpc): Learn Base OP-Stack finality: safe vs finalized vs latest block tags, EIP-1898 usage, reorg risks, and a Node.js script to measure finality frontier. - [ethgetProof (EIP-1186): Account and Storage Proofs for State Verification](https://onfinality.io/en/learn/evm-eth-getproof-state-account-storage-proofs): Use ethgetProof (EIP-1186) to fetch and verify Ethereum account and storage Merkle-Patricia proofs for any block, with a runnable Node.js example. - [EVM Nonce Management: Using ethgetTransactionCount Correctly Under Concurrency](https://onfinality.io/en/learn/evm-nonce-management-eth-gettransactioncount): Master EVM nonce management with ethgetTransactionCount. Understand pending vs latest, avoid nonce too low errors, and implement safe concurrent transaction sending. - [Migrating Off Deprecated Solana RPC Methods: getConfirmedBlock and Legacy getConfirmed API Calls](https://onfinality.io/en/learn/solana-deprecated-rpc-methods-migration-getblock): Migrate from deprecated Solana RPC getConfirmedBlock and getConfirmedSignaturesForAddress2 to getBlock, getSignaturesForAddress, and getTransaction. - [Simulating Sui Transactions Before Sending: devInspectTransaction and dryRunTransactionBlock](https://onfinality.io/en/learn/sui-transaction-simulation-dev-inspecttransaction): Master Sui transaction simulation with devInspectTransaction and dryRunTransactionBlock. Decode execution effects, avoid object version conflicts, and test safely. - [Decoding Polkadot Extrinsic Submission Errors: 1010 Invalid Transaction and Dispatch Failures](https://onfinality.io/en/learn/polkadot-extrinsic-dispatch-error-handling): Decode Polkadot RPC 1010 Invalid Transaction tags and dispatch errors. Step-by-step guide with @polkadot/api script, tag-to-fix table, and troubleshooting checklist. - [Decoding Solana simulateTransaction Errors: Instruction Index, Program ID, and Custom Error Codes](https://onfinality.io/en/learn/solana-simulate-transaction-error-decode): Decode Solana simulateTransaction errors: parse instruction index, program ID, and custom error codes from JSON-RPC logs and fix preflight failures. - [ethcall State Override: Simulating Ethereum Calls Against Hypothetical State](https://onfinality.io/en/learn/ethereum-eth-call-state-override-simulation): Master ethcall state overrides to test hypothetical balances, code, and storage slots. Step-by-step guide with viem/ethers examples and troubleshooting. - [Ethereum Revert Reasons and Custom Errors: Decoding Why a Transaction or ethcall Fails](https://onfinality.io/en/learn/ethereum-decode-revert-reason-custom-errors): Decode Ethereum revert reasons and custom errors from JSON-RPC responses: Error(string), Panic(uint256), and custom error selectors, with practical examples. - [Hyperliquid API Error Handling: Decoding Order Rejections, Margin, and Oracle Checks](https://onfinality.io/en/learn/hyperliquid-api-error-handling-order-rejections): Decode Hyperliquid order rejections on /info and /exchange: margin, risk limits, open interest caps, oracle price checks, and post-only guardrails. - [Base Archive Node Historical RPC: Querying Past Base State and Logs](https://onfinality.io/en/learn/base-archive-node-historical-rpc): Query historical Base state and logs via OP-Stack archive RPC. Understand archive nodes, ethgetProof, and run a Node.js script to test endpoints. - [Bittensor RPC Timeout Errors on Subtensor: Why Calls Time Out and How to Retry Reliably](https://onfinality.io/en/learn/bittensor-rpc-timeout-errors-subtensor): Why Bittensor RPC calls time out and how to fix them. Subtensor-specific timeout causes, diagnostic script, and retry strategies. - [Ethereum Archive Node and Historical RPC: Querying Past Balances, Logs, and State](https://onfinality.io/en/learn/ethereum-archive-node-historical-rpc): Learn how to query historical Ethereum balances, logs, and state via RPC. Understand archive nodes, block tags, and verify your endpoint. - [Polygon Archive Nodes and Historical RPC: Querying Past Polygon State Over JSON-RPC](https://onfinality.io/en/learn/polygon-archive-node-historical-rpc): Query past Polygon PoS state via JSON-RPC: archive node mechanics, ethgetBalance/ethcall at old blocks, ethgetLogs paging, and verification script. - [Solana Versioned Transactions and getBlock/getTransaction Parsing: v0, Address Lookup Tables, and Decoding](https://onfinality.io/en/learn/solana-versioned-transactions-getblock-rpc): Understand Solana v0 transactions, address lookup tables, and how to decode getBlock/getTransaction responses with a practical script. - [BNB Smart Chain Historical RPC and Archive Data: Querying Past Balances, Logs, and State](https://onfinality.io/en/learn/bnb-smart-chain-historical-rpc-archive): Query past BSC balances, logs, and state via RPC. Understand archive nodes, method usage, and troubleshooting with runnable examples. - [Hyperliquid Historical Data and Market Data APIs: Querying Trades, OHLCV, Funding, and Order Book History](https://onfinality.io/en/learn/hyperliquid-historical-market-data-api): Query Hyperliquid trades, OHLCV, funding, and order book history via /info API, WebSocket, and archives. Code examples and troubleshooting. - [Polkadot and Substrate Archive Nodes: Querying Historical State Over RPC](https://onfinality.io/en/learn/polkadot-archive-node-historical-state-rpc): Understand Polkadot archive nodes and query historical state over RPC with stategetStorage, statequeryStorage, and block hashes. Step-by-step guide. - [Monad Historical RPC and Archive Data: Querying Past Blocks, Balances, and State](https://onfinality.io/en/learn/monad-archive-node-historical-rpc): Query Monad past blocks, balances, and state via archive RPC. Understand full vs archive nodes, methods, and a runnable ethgetLogs paging script. - [Monad RPC Latency: Measuring, Bottlenecks, and Optimizing Query Speed](https://onfinality.io/en/learn/monad-rpc-latency): Measure Monad RPC latency with curl and viem, identify bottlenecks like deferred execution and getLogs, and optimize query speed with batching and WebSockets. - [Polkadot RPC Latency: Substrate Data Path, Measuring, and Optimization](https://onfinality.io/en/learn/polkadot-rpc-latency): Understand Polkadot RPC latency: Substrate data path, measuring with curl/Node.js, and optimization tips for state and WebSocket calls. - [Sui Archive Nodes and Historical RPC: Checkpoints, Epochs, and Querying Past State](https://onfinality.io/en/learn/sui-archive-node-historical-rpc): Understand Sui archive nodes, checkpoints, epochs, and how to query historical state via RPC. Includes code examples and troubleshooting. - [Base RPC Latency: Measuring, OP-Stack Factors, and Optimizing Query Speed](https://onfinality.io/en/learn/base-rpc-latency): Measure Base RPC latency, understand OP-Stack factors, and optimize query speed with practical techniques and a reproducible script. - [Hyperliquid RPC Latency: Measuring, HyperEVM vs Native API, and Low-Latency Tuning](https://onfinality.io/en/learn/hyperliquid-rpc-latency): Measure Hyperliquid RPC latency across native API and HyperEVM, understand differences, and apply low-latency tuning for trading. - [Monad WebSocket RPC: WSS Endpoints, ethsubscribe, and Reliable Real-Time Streams](https://onfinality.io/en/learn/monad-rpc-websocket-guide): Master Monad WebSocket RPC: WSS endpoints, ethsubscribe methods, notification payloads, and robust reconnection strategies for real-time dApps. - [Polygon RPC Timeouts: Causes, Diagnosis, and Retry Patterns](https://onfinality.io/en/learn/polygon-rpc-timeout): Diagnose and fix Polygon RPC timeouts: transport vs method-level, retry patterns, and endpoint failover for Polygon PoS. - [Sui RPC Timeouts: JSON-RPC vs gRPC, QueryWeight, and Reliable Retry Patterns](https://onfinality.io/en/learn/sui-rpc-timeout): Diagnose and fix Sui RPC timeouts: understand QueryWeight, JSON-RPC vs gRPC, and implement reliable retry patterns with the TypeScript SDK. - [Bittensor WebSocket RPC: Substrate Subscriptions and Reliable Streams](https://onfinality.io/en/learn/bittensor-websocket-rpc-guide): Master Bittensor WebSocket RPC: Substrate subscriptions, connection lifecycle, reconnection, and troubleshooting with a Node.js example. - [Ethereum RPC Latency: Measuring, Optimizing, and Reducing Query Delays](https://onfinality.io/en/learn/ethereum-rpc-latency): Understand Ethereum RPC latency factors, measure with a script, and optimize queries. Includes WebSocket, batching, and caching tips. - [Monad RPC Rate Limits and 429s: Per-IP Caps, Batching, and Backoff](https://onfinality.io/en/learn/monad-rpc-rate-limits-429): Understand Monad RPC rate limits, 429 errors, and how to handle them with batching, caching, and exponential backoff. Practical Node.js examples included. - [Monad RPC Timeouts: Causes, Diagnosis, and Reliable Retry Patterns](https://onfinality.io/en/learn/monad-rpc-timeout): Diagnose and fix Monad RPC timeouts: transport vs method-level, 429s, MonadBFT specifics, and reliable retry patterns with code examples. - [Polygon WebSocket RPC: WSS Endpoints, ethsubscribe, and Reconnection](https://onfinality.io/en/learn/polygon-websocket-rpc-guide): Master Polygon WebSocket RPC: WSS endpoints, ethsubscribe, reconnection strategies, and troubleshooting for Polygon PoS. - [Base RPC Timeouts: Causes, Diagnosis, and Retry Patterns for OP-Stack](https://onfinality.io/en/learn/base-rpc-timeout-and-retries): Diagnose and fix Base RPC timeouts: understand OP-Stack causes, use curl timing, implement exponential backoff retries, and monitor endpoint health. - [Bittensor (TAO) RPC Rate Limits and 429s: Per-IP Caps, Submit, and Retry Strategies](https://onfinality.io/en/learn/bittensor-rpc-rate-limits): Understand Bittensor (TAO) RPC rate limits, per-IP caps, and 429 errors. Learn retry strategies, batching, and subscriptions to avoid throttling. - [BNB Smart Chain RPC Latency: Measuring, Benchmarks, and Optimizing for DeFi](https://onfinality.io/en/learn/bnb-smart-chain-rpc-latency): Understand BSC RPC latency components, measure with a reproducible script, and optimize for DeFi. Includes benchmarks and best practices. - [BNB Smart Chain WebSocket RPC: WSS Endpoints, ethsubscribe, and Reconnection](https://onfinality.io/en/learn/bsc-websocket-rpc-guide): Master BSC WebSocket RPC: WSS endpoints, ethsubscribe methods, and reconnection strategies with ethers.js and web3.js. Includes troubleshooting. - [Ethereum RPC Timeouts: Provider Config, ethgetLogs, and Retry Patterns](https://onfinality.io/en/learn/ethereum-rpc-timeout): Diagnose and fix Ethereum RPC timeouts: provider config, ethgetLogs, multicall, and retry patterns. Practical guide with code examples. - [Hyperliquid RPC Timeouts: Rate Caps, HyperEVM Endpoints, and Reliable Retries](https://onfinality.io/en/learn/hyperliquid-rpc-timeout): Why Hyperliquid RPC requests time out, how the HyperEVM rate cap works, and how to build reliable retries with backoff and idempotency. - [Polkadot RPC Rate Limits and 429s: Per-Second Limits, Flags, and Handling](https://onfinality.io/en/learn/polkadot-rpc-rate-limits): Learn Polkadot RPC rate limits: Substrate flags, public endpoint 429s, and handling with batching, caching, and backoff. - [Polkadot RPC Timeouts: WsProvider Reconnects, Block RPC Limits, and Reliable Queries](https://onfinality.io/en/learn/polkadot-rpc-timeout): Troubleshoot Polkadot RPC timeouts: WsProvider silent disconnects, block RPC limits, and reliable query patterns with timeouts, reconnects, and batching. - [Solana RPC WebSocket: Pubsub Methods, Subscriptions, and Connection Lifecycle](https://onfinality.io/en/learn/solana-rpc-websocket-guide): Master Solana WebSocket subscriptions: accountSubscribe, programSubscribe, logsSubscribe, connection lifecycle, and troubleshooting. Includes Node.js example. - [Sui RPC Latency: Measuring, gRPC vs JSON-RPC, and Optimizing Query Speed](https://onfinality.io/en/learn/sui-rpc-latency): Measure Sui RPC latency with a reproducible script, compare gRPC vs JSON-RPC, and optimize query speed with multiGet and pagination. - [Base RPC Rate Limits and Reliability: Provider Limits, Monitoring, and Scaling](https://onfinality.io/en/learn/base-rpc-rate-limits-and-reliability): Explore Base RPC rate limits, 429 errors, monitoring, failover, and scaling from public to dedicated endpoints for reliable dApps. - [Bittensor RPC Performance and Latency: Measuring Endpoints Before You Choose](https://onfinality.io/en/learn/bittensor-rpc-performance-and-latency): Learn how to measure Bittensor (TAO) RPC latency and performance. Compare endpoints with Substrate JSON-RPC benchmarks to choose the best provider. - [BNB Smart Chain RPC Reliability and Timeouts: Public Endpoint Failures and Production Setups](https://onfinality.io/en/learn/bnb-smart-chain-rpc-reliability-and-timeouts): Learn why public BSC RPC endpoints fail, how to set timeouts and retries, monitor health, and build a fallback chain for production. - [Ethereum RPC Rate Limits and 429 Errors: Method Costs, Compute Units, and Mitigation](https://onfinality.io/en/learn/ethereum-rpc-rate-limits-and-429): Learn how Ethereum RPC rate limits and compute units cause 429 errors, and discover mitigation strategies like batching, caching, and dedicated endpoints. - [Hyperliquid WebSocket Subscriptions: Connection Lifecycle, Feeds, and Reconnection](https://onfinality.io/en/learn/hyperliquid-websocket-subscriptions-guide): Learn Hyperliquid WebSocket feeds: subscription format, heartbeat timeouts, connection limits, and reconnection strategies with code examples. - [Polygon RPC 429 Errors and Rate Limits: Causes, Diagnosis, and Fixes](https://onfinality.io/en/learn/polygon-rpc-429-and-rate-limits): Diagnose and fix Polygon RPC 429 rate limits with batching, WebSocket subscriptions, and backoff strategies to keep your dApps running smoothly. - [Querying Solana Historical Data Over RPC: Methods, Limits, and Production Patterns](https://onfinality.io/en/learn/solana-historical-data-rpc): Learn to query Solana historical data via RPC: getSignaturesForAddress, getTransaction, getBlock, pagination, limits, and production patterns. - [Solana RPC Latency: Measuring, Sources, and Optimization for Trading and dApps](https://onfinality.io/en/learn/solana-rpc-latency-guide): Learn what causes Solana RPC latency, how to measure it with a curl script, and when to upgrade to dedicated endpoints for trading bots and dApps. - [Solana RPC Timeouts: Causes, Retry Strategy, and Reliable Transaction Sending](https://onfinality.io/en/learn/solana-rpc-timeout-and-retries): Learn why Solana RPC timeouts happen and how to send transactions reliably with @solana/web3.js, including retry strategies and troubleshooting tips. - [Sui RPC Rate Limits and Compute Units: Managing Cost and 429s in Production](https://onfinality.io/en/learn/sui-rpc-rate-limits-and-compute): Learn to manage Sui RPC rate limits and compute units. Handle 429s with the TS SDK, paginate efficiently, and cut costs. - [Base RPC WebSocket Connections: Endpoints, Flashblocks, and Reliability](https://onfinality.io/en/learn/base-rpc-websocket-guide): Connect to Base RPC WebSocket endpoints, use Flashblocks for sub-second block events, and build reliable subscriptions with ethers.js and viem. - [Bittensor RPC and Node Access: Running a Node and Connecting to Finney](https://onfinality.io/en/learn/bittensor-rpc-node-guide): Step-by-step guide to running a Bittensor node, connecting to Finney RPC, and verifying health. Compare self-hosted vs hosted RPC endpoints. - [BNB Smart Chain RPC Rate Limits and 429s: What They Are and How to Handle Them](https://onfinality.io/en/learn/bnb-smart-chain-rpc-rate-limits): BNB Smart Chain RPC rate limits explained: why endpoints return 429, plus retry backoff, ethgetLogs optimization, and capping request load. - [Ethereum WebSocket RPC Disconnects: Causes and Reconnection with ethers.js and web3.js](https://onfinality.io/en/learn/ethereum-websocket-disconnect-handling): Why Ethereum WebSocket RPC disconnects and how to reconnect with ethers.js and web3.js. Includes code examples and diagnostic steps. - [Hyperliquid API Rate Limits: Info vs Exchange Endpoints and Compliance](https://onfinality.io/en/learn/hyperliquid-api-rate-limits-guide): Understand Hyperliquid API rate limits for /info and /exchange endpoints, usage windows, WebSocket limits, and production best practices. - [Monad RPC Endpoints: Testnet Setup, Methods, and Latency](https://onfinality.io/en/learn/monad-rpc-endpoints-and-guide): Discover Monad RPC endpoints, testnet setup, JSON-RPC methods, and latency checks. Add Monad to MetaMask and run curl examples. - [Polkadot WebSocket RPC: WSS Endpoints, Subscriptions, and Reconnection](https://onfinality.io/en/learn/polkadot-websocket-rpc-guide): Understand Polkadot WebSocket RPC: WSS endpoints, subscriptions, reconnection, and troubleshooting. Includes @polkadot/api examples and secure WSS setup. - [Solana RPC Rate Limits and 429 Errors: How They Work and How to Fix Them](https://onfinality.io/en/learn/solana-rpc-rate-limits-and-429-errors): Learn how Solana RPC rate limits work, why 429 errors occur, and how to fix them with Web3.js retries, caching, and dedicated endpoints. - [Sui RPC WebSocket Subscriptions: Event Streams and Best Practices](https://onfinality.io/en/learn/sui-rpc-websocket-subscriptions): Master Sui WebSocket subscriptions: connect, subscribe to events/checkpoints, handle reconnects, and avoid rate limits. Runnable examples included. - [Why Polygon RPC Is Slow: Latency Causes, Measurement, and Fixes](https://onfinality.io/en/learn/polygon-rpc-latency): Understand why Polygon RPC latency spikes: Bor/Heimdall, archive data, ethgetLogs. Measure with curl and decide when to move to a dedicated node. - [Archive Node vs Full Node: What's the Real Difference?](https://onfinality.io/en/learn/archive-node-vs-full-node): Learn the real difference between archive and full nodes: data retention, historical state queries, storage costs, and when to use archive RPC access. - [How to Fix RPC 429 Too Many Requests Errors](https://onfinality.io/en/learn/how-to-fix-rpc-429-too-many-requests): Fix blockchain RPC 429 rate-limit errors with exponential backoff, request batching, caching, concurrency controls, and reliable endpoint architecture. - [How to Query Historical Blockchain Data via RPC](https://onfinality.io/en/learn/accessing-historical-blockchain-data): Learn how to query historical blockchain state via RPC: full vs archive nodes, ethcall at past blocks, ethgetLogs, and indexers for large scans. - [JSON-RPC Batch Requests: Format, Examples, and Best Practices](https://onfinality.io/en/learn/json-rpc-batching-best-practices): Master JSON-RPC batch requests: format, examples, error isolation, and when to use them. Reduce round-trips and improve RPC performance. - [Public RPC Endpoint Risks: What to Know Before Going to Production](https://onfinality.io/en/learn/public-rpc-endpoints-vs-dedicated): Evaluate public RPC endpoint risks: rate limits, data consistency, security, and reliability. Learn when to use dedicated endpoints for production dApps. - [RPC Latency Slow: Causes, Measurement, and Fixes](https://onfinality.io/en/learn/how-to-reduce-rpc-latency): Understand what causes slow JSON-RPC latency, measure it with curl, and reduce it via geographic endpoints, batching, and caching. - [RPC Node Monitoring: Metrics, Alerts, and Failover](https://onfinality.io/en/learn/monitoring-rpc-endpoints): Monitor blockchain RPC nodes with Prometheus, Grafana, health checks, and alerts. Learn key metrics, p99 latency, error rates, and failover strategies. - [RPC Timeout Error: Causes, Diagnosis, and Fixes](https://onfinality.io/en/learn/how-to-fix-rpc-timeout-errors): Diagnose and fix RPC timeout errors in blockchain clients. Learn causes, use curl to test, and implement client-side and provider-side solutions. - [Why Your WebSocket RPC Disconnects and How to Fix It](https://onfinality.io/en/learn/fix-rpc-websocket-disconnections): Diagnose WebSocket RPC disconnects (close codes 1006/1008/1001), implement keepalive heartbeats, and build resilient reconnection with backoff. ## RPC Assistant knowledge base ### Blockchain infrastructure - [Blockchain API Services: How to Evaluate Options for Your Web3 Stack](https://onfinality.io/en/rpc-assistant/blockchain-api-services): Compare blockchain API services: RPC nodes, data APIs, and dedicated infrastructure. Learn key evaluation criteria for production Web3 applications. - [Blockchain Node as a Service: Key Criteria for Choosing a Provider](https://onfinality.io/en/rpc-assistant/evaluating-blockchain-node-as-a-service-providers): Compare blockchain node as a service providers. Learn key evaluation criteria: network coverage, node types, rate limits, WebSocket support, pricing, and more. - [BNB Smart Chain Nodes: Full, Archive, Validator & RPC Nodes](https://onfinality.io/en/rpc-assistant/binance-smart-chain-nodes): Understand BNB Smart Chain full, archive, validator, and RPC nodes, self-hosting, synchronization, monitoring, and managed alternatives. - [Bittensor TAO Mining: How to Start, What Hardware You Need, and How to Stay Online](https://onfinality.io/en/rpc-assistant/bittensor-tao-mining): Learn how to mine TAO on Bittensor: choose a subnet, meet hardware requirements, register a hotkey, and keep your miner online with reliable RPC. - [Blockchain Node Hosting: A Practical Guide for Developers and Infrastructure Buyers](https://onfinality.io/en/rpc-assistant/blockchain-node-hosting-guide): Learn how to choose between self-hosted and managed blockchain node hosting. Compare hardware requirements, cloud vs bare-metal, and managed node providers. - [Crypto Node Hosting: When to Rent Infrastructure Instead of Running It Yourself](https://onfinality.io/en/rpc-assistant/crypto-node-hosting): Learn when to use crypto node hosting vs self-hosting. Compare VPS, dedicated servers, and managed node services with a decision checklist. - [Dedicated vs Shared Nodes: Performance Insights for Developers](https://onfinality.io/en/rpc-assistant/i-need-insights-on-the-performance-differences-between-dedicated-and-s): Get insights on performance differences between dedicated and shared RPC nodes: latency, throughput, rate limits, and use cases to guide your infrastructure decision. - [How do Web3 bridge APIs compare for cross-chain development?](https://onfinality.io/en/rpc-assistant/web3-bridge-apis-compared-guide): Compare top Web3 bridge APIs: Wormhole, LayerZero, Axelar, Stargate, and more. Learn about security, supported chains, latency, and how to choose the best bridge API for your cross-chain dApp. - [How to Use a Bittensor Explorer to Monitor the TAO Network](https://onfinality.io/en/rpc-assistant/bittensor-explorer-guide): Learn how to use a Bittensor explorer to view blocks, transactions, subnets, and validators. Understand key metrics and access RPC endpoints for development. - [Kusama Validator: Requirements, Setup, and Operational Tradeoffs](https://onfinality.io/en/rpc-assistant/kusama-validator): Learn what it takes to run a Kusama validator: hardware, staking, setup, and operational tradeoffs. Compare self-hosting with managed infrastructure. - [Polkadot Validator: Build vs. Buy – Running a Node vs. Using an RPC Provider](https://onfinality.io/en/rpc-assistant/polkadot-validator): Understand Polkadot validators: role, requirements, and when to run your own node versus using an RPC service for dApp development. - [Polygon Node Hosting: When to Rent Infrastructure Instead of Running It](https://onfinality.io/en/rpc-assistant/polygon-node-hosting): Compare running your own Polygon node against managed RPC and dedicated node hosting. Chain settings, evaluation criteria, and failure modes for devs. - [Public RPC Nodes: When to Rely on Free Endpoints and When to Upgrade](https://onfinality.io/en/rpc-assistant/public-rpc-nodes): Learn what public RPC nodes are, their pros and cons, and how to decide whether to use them or upgrade to private/dedicated RPC for your Web3 app. - [Smart Contract Security Best Practices: A Developer's Checklist](https://onfinality.io/en/rpc-assistant/smart-contract-security-best-practices): A practical checklist of smart contract security best practices for Solidity developers, covering reentrancy, access control, and secure infrastructure. - [Solana Indexer: RPC, Historical Data & Indexing Architecture](https://onfinality.io/en/rpc-assistant/solana-indexer): Plan a Solana indexer architecture with RPC ingestion, historical data, backfills, normalization, reorg-safe processing, and managed indexing options. - [Solana Validator Setup: What to Prepare Before You Stake SOL](https://onfinality.io/en/rpc-assistant/solana-validator-setup-guide): Plan a Solana validator setup: hardware, vote account keys, RPC access, monitoring signals, and the run-vs-delegate tradeoff for teams. - [What Are Dedicated Nodes and When Should You Use Them?](https://onfinality.io/en/rpc-assistant/dedicated-nodes): Learn what dedicated nodes are, how they compare to shared RPC and self-hosted nodes, and when to use them for production Web3 apps. - [What are dedicated Web3 servers and when should you use them?](https://onfinality.io/en/rpc-assistant/dedicated-web3-servers): Dedicated Web3 servers explained: bare metal vs cloud vs managed nodes. Learn when to rent infrastructure and how to evaluate providers. - [What are the requirements to run an Optimism node?](https://onfinality.io/en/rpc-assistant/optimism-node-requirements): What it takes to run an Optimism node: CPU, RAM, disk, archive vs full mode, L1 dependency, and when a managed RPC endpoint is the better fit. - [What Are TON Nodes and When Should You Run One?](https://onfinality.io/en/rpc-assistant/ton-nodes): Understand TON node types (full, archive, validator) and decide whether to self-host or use a hosted RPC provider like OnFinality for your dApp. - [What does a Polygon payment gateway API need from RPC infrastructure?](https://onfinality.io/en/rpc-assistant/polygon-payment-gateway-api): What a Polygon payment gateway API needs from RPC infrastructure: confirmation logic, reorg handling, WebSocket subscriptions, and provider evaluation. - [What Is a Bittensor Node and How Do You Choose the Right Setup?](https://onfinality.io/en/rpc-assistant/bittensor-node): Learn what a Bittensor node is, hardware requirements, how to run subtensor, and when to choose a managed RPC endpoint or dedicated node infrastructure. - [What Is a TON Full Node and When Should You Run One?](https://onfinality.io/en/rpc-assistant/ton-full-node): Learn what a TON full node does, the hardware and maintenance required, and how to decide between running your own node or using managed RPC services. - [What is Base node infrastructure and when should you run your own node?](https://onfinality.io/en/rpc-assistant/base-node-infrastructure): Understand Base node infrastructure: hardware, sync, and operational tradeoffs. Compare self-hosted vs. managed RPC with OnFinality. - [What Is Bittensor Mining and How Do You Get Started?](https://onfinality.io/en/rpc-assistant/bittensor-mining-guide): Learn how Bittensor mining works, how to choose a subnet, register a miner, and connect to the network. A practical guide for developers and - [What is blockchain node infrastructure and when should you rent it instead of running it?](https://onfinality.io/en/rpc-assistant/blockchain-node-infrastructure): Learn what blockchain node infrastructure is, the types of nodes, and how to decide between running your own nodes or using a managed RPC provider. - [What Is dOrg and How Does It Work?](https://onfinality.io/en/rpc-assistant/dorg): Learn what dOrg is, how this DAO of Web3 developers works, its engagement models, and how to evaluate it for your project. - [What is node infrastructure and how do you evaluate it for Web3 projects?](https://onfinality.io/en/rpc-assistant/node-infrastructure-guide): Learn what node infrastructure is, how to evaluate self-hosted vs managed nodes, and key criteria for reliable Web3 infrastructure. - [What Is Node-as-a-Service and When Should You Use It?](https://onfinality.io/en/rpc-assistant/node-as-a-service): Learn what Node-as-a-Service (NaaS) is, its pros and cons, and how to evaluate providers for your Web3 project. Includes a decision checklist and comparison table. - [What Is RWA Node Infrastructure and How Should You Build It?](https://onfinality.io/en/rpc-assistant/rwa-node-infrastructure): Learn what RWA node infrastructure is, its core components, and how to choose the right RPC and node infrastructure for tokenized real-world assets. ### Blockchain and RPC concepts - [What is decentralized AI infrastructure, and why does it matter?](https://onfinality.io/en/rpc-assistant/decentralized-ai-infrastructure): Decentralized AI apps still need reliable chain access, data indexing, and transaction infrastructure behind the user experience. ### Ethereum RPC - [Ethereum RPC Providers & APIs Compared: Public, Managed & Dedicated](https://onfinality.io/en/rpc-assistant/best-ethereum-rpc-api): Compare Ethereum RPC providers and APIs by methods, latency, rate limits, archive access, WebSocket support, and dedicated infrastructure. ### Network RPC guides - [peaq RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/rpc-peaq-network): Find the best peaq RPC endpoints, chain ID 3338, native token PEAQ, and how to connect your dApp or wallet. Includes debugging tips and provider comparison. - [Solana RPC Access: Authentication, Rate Limits & Common Errors](https://onfinality.io/en/rpc-assistant/access-for-solana-2): Configure Solana RPC authentication, understand 401, 403, and 429 errors, and troubleshoot timeouts, retries, stale data, and fallback access. - [What should I look for in a Hyperliquid RPC provider?](https://onfinality.io/en/rpc-assistant/best-hyperliquid-rpc-provider): Compare Hyperliquid RPC providers by latency, availability, gRPC support, dedicated nodes, pricing, analytics, and trading workload reliability. - [What is a MATIC RPC node and how do you connect to Polygon Mainnet?](https://onfinality.io/en/rpc-assistant/matic-rpc-node): Find MATIC/Polygon RPC endpoints, chain settings, public versus dedicated access, and curl tests for reliable application connections. - [BNB Chain RPC Providers Compared: Public, Managed & Dedicated](https://onfinality.io/en/rpc-assistant/bnb-chain-rpc-provider): Compare BNB Chain RPC providers by public access, managed capacity, rate limits, archive and trace support, WebSocket, regions, and pricing. - [What should I know about RPC endpoints?](https://onfinality.io/en/rpc-assistant/rpc-endpoints-guide): Compare public RPC endpoints, private RPC, blockchain RPC APIs, and dedicated node access before production. Review reliability, limits, testnets, - [Polygon Blockchain API: JSON-RPC Methods, WebSocket & Examples](https://onfinality.io/en/rpc-assistant/polygon-blockchain-api): Learn how the Polygon Blockchain API works with JSON-RPC, ethcall, logs, transactions, WebSocket subscriptions, and archive or trace data. - [Solana RPC Providers: Public, Shared & Dedicated RPC Compared](https://onfinality.io/en/rpc-assistant/best-solana-rpc-provider): Compare Solana RPC provider types by access, limits, WebSocket needs, operations, cost, and when to move from shared to dedicated infrastructure. - [What is a TON endpoint and how do I choose one?](https://onfinality.io/en/rpc-assistant/ton-endpoint): Learn what a TON endpoint is, how it differs from EVM RPC, which mainnet and testnet endpoints to use, and how to test them. - [How should developers evaluate RPC endpoints across Sepolia, Polygon, Solana Devnet, Base Sepolia, and peaq?](https://onfinality.io/en/rpc-assistant/multi-chain-rpc-endpoints-guide): Learn how to evaluate RPC endpoints across Sepolia, Polygon, Solana Devnet, Base Sepolia, and peaq. Compare rate limits, chain IDs, testnet - [How do you evaluate the fastest Solana RPC for your workload?](https://onfinality.io/en/rpc-assistant/solana-fastest-rpc): Learn how to measure Solana RPC latency from your own region, compare shared vs dedicated endpoints, and pick the fastest option for your workload. - [Solana RPC Nodes: Endpoints, Methods, and Workload Fit](https://onfinality.io/en/rpc-assistant/solana-rpc-nodes): How Solana RPC nodes work, which JSON-RPC methods matter, and how to pick between shared endpoints and dedicated nodes for your workload. - [What should I know about Hyperliquid RPC endpoints?](https://onfinality.io/en/rpc-assistant/hyperliquid-rpc-endpoints): Use workload isolation, latency testing, and burst behavior checks before routing trading or analytics traffic. Compare reliability, limits, testnets, - [TON API: How to Choose and Use Endpoints for Mainnet and Testnet](https://onfinality.io/en/rpc-assistant/ton-api): Find TON API endpoints for mainnet and testnet. Compare TON Center, TonAPI, and OnFinality. Includes RPC settings, faucet, and debugging tips. - [What should I know about BNB RPC endpoints?](https://onfinality.io/en/rpc-assistant/bnb-rpc-endpoints): BNB workloads need endpoint planning around high-volume reads, testnet releases, and backend job isolation. Compare reliability, limits, testnets, - [What should I know about Solana RPC endpoints?](https://onfinality.io/en/rpc-assistant/solana-rpc-endpoints): Solana endpoint planning should account for bursty app traffic, devnet testing, method behavior, and low-latency user flows. - [Fantom API: Methods, Endpoints, and How to Start Building](https://onfinality.io/en/rpc-assistant/fantom-api): Complete Fantom API reference: JSON-RPC methods, public endpoints, WebSocket support, and how to start building on Fantom with reliable infrastructure. - [What should I know about Polkadot RPC endpoints?](https://onfinality.io/en/rpc-assistant/polkadot-rpc-endpoints): Polkadot teams should compare endpoint access, parachain coverage, WebSocket needs, and dedicated node paths. Compare reliability, limits, testnets, - [What should I know about Sonic RPC endpoints?](https://onfinality.io/en/rpc-assistant/sonic-rpc-endpoints): Sonic developers need stable endpoint access for testing, launches, and backend workloads as app usage grows. Compare reliability, limits, testnets, - [Polkadot Network Migration: What's Changing and How It Affects Your RPC Endpoints?](https://onfinality.io/en/rpc-assistant/polkadot-network-migration): Learn how the Polkadot Asset Hub Migration affects RPC endpoints, node operations, and what developers must update for a seamless transition. - [What should I look for in a Arbitrum RPC provider?](https://onfinality.io/en/rpc-assistant/arbitrum-rpc-provider): Arbitrum provider choice should cover L2-specific traffic, Sepolia testing, request analytics, and scaling paths. Compare reliability, limits, - [What should I look for in a Optimism RPC provider?](https://onfinality.io/en/rpc-assistant/optimism-rpc-provider): Optimism apps need RPC infrastructure that supports stable user reads, transaction workflows, and multi-region backend services. - [What should I know about Aptos RPC endpoints?](https://onfinality.io/en/rpc-assistant/aptos-rpc-endpoints): Aptos teams should test method support, latency, request limits, and deployment workflows before launch. Compare reliability, limits, testnets, - [What should I look for in a Monad RPC provider?](https://onfinality.io/en/rpc-assistant/monad-rpc-provider): Monad teams should plan provider choice early because testnet reliability often shapes mainnet readiness. Compare reliability, limits, testnets, - [What should I look for in a Sonic RPC provider?](https://onfinality.io/en/rpc-assistant/sonic-rpc-provider): Sonic provider evaluation should compare availability, latency, dedicated nodes, analytics, and support for launches. Compare reliability, limits, - [What should I know about Gnosis RPC endpoints?](https://onfinality.io/en/rpc-assistant/gnosis-rpc-endpoints): Gnosis apps need endpoint planning around wallet flows, payments, indexing, and operational monitoring. Compare reliability, limits, testnets, pricing, - [What does the Gnosis API expose, and how do you connect to it?](https://onfinality.io/en/rpc-assistant/gnosis-api): Connect to the Gnosis API: chain ID 100, xDAI gas, JSON-RPC examples, method support, and how to choose a public or dedicated Gnosis endpoint. - [What should I look for in a Unichain RPC provider?](https://onfinality.io/en/rpc-assistant/unichain-rpc-provider): Unichain provider choice should cover early ecosystem testing, traffic growth, and a path from shared RPC to dedicated nodes. - [What should I know about Starknet RPC endpoints?](https://onfinality.io/en/rpc-assistant/starknet-rpc-endpoints): Starknet teams should validate RPC method behavior, latency, and monitoring before moving traffic into production. Compare reliability, limits, - [What should I know about TON RPC endpoints?](https://onfinality.io/en/rpc-assistant/ton-rpc-endpoints): TON builders need reliable endpoint access for wallet flows, message tracking, analytics, and backend services. Compare reliability, limits, testnets, - [What should I know about Monad RPC endpoints?](https://onfinality.io/en/rpc-assistant/monad-rpc-endpoints): Monad endpoint planning should cover testnet stability, method support, backend jobs, and launch readiness. Compare reliability, limits, testnets, - [What should I know about Scroll RPC endpoints?](https://onfinality.io/en/rpc-assistant/scroll-rpc-endpoints): Scroll builders should compare endpoint latency, mainnet support, test workflows, and scaling paths for zkEVM apps. Compare reliability, limits, - [What should I know about Unichain RPC endpoints?](https://onfinality.io/en/rpc-assistant/unichain-rpc-endpoints): Unichain endpoint planning should keep testing, deployment, monitoring, and production traffic separate. Compare reliability, limits, testnets, - [What does a Bittensor mining app actually need from RPC infrastructure?](https://onfinality.io/en/rpc-assistant/bittensor-mining-app): What a Bittensor mining app needs from RPC: Finney endpoint settings, WebSocket subscriptions, metagraph reads, and when to move to a dedicated node. - [What should I look for in a HyperEVM RPC provider?](https://onfinality.io/en/rpc-assistant/hyperevm-rpc-provider): HyperEVM provider choice should account for latency-sensitive workloads and ties to Hyperliquid ecosystem traffic. Compare reliability, limits, - [What should I know about Celo RPC endpoints?](https://onfinality.io/en/rpc-assistant/celo-rpc-endpoints): Celo apps should evaluate endpoint reliability for wallet flows, payments, mobile users, and backend monitoring. Compare reliability, limits, testnets, - [What should I know about Moonbeam RPC endpoints?](https://onfinality.io/en/rpc-assistant/moonbeam-rpc-endpoints): Moonbeam teams should validate EVM compatibility, WebSocket needs, parachain context, and dedicated node options. Compare reliability, limits, - [What should I know about Mantle RPC endpoints?](https://onfinality.io/en/rpc-assistant/mantle-rpc-endpoints): Mantle builders should compare endpoint latency, traffic isolation, backend jobs, and production monitoring. Compare reliability, limits, testnets, - [What should I look for in a Avalanche RPC provider?](https://onfinality.io/en/rpc-assistant/avalanche-rpc-provider): Avalanche provider choice should compare subnet needs, C-Chain traffic, request visibility, and dedicated infrastructure. - [What should I know about Arbitrum RPC endpoints?](https://onfinality.io/en/rpc-assistant/arbitrum-rpc-endpoints): Arbitrum endpoint planning should account for L2 traffic, bridge workflows, Sepolia testing, and backend isolation. Compare reliability, limits, - [What should I know about Optimism RPC endpoints?](https://onfinality.io/en/rpc-assistant/optimism-rpc-endpoints): Optimism endpoint planning should compare mainnet access, latency, request limits, and dedicated infrastructure options. - [Abstract RPC Endpoint: What You Need to Connect to Abstract](https://onfinality.io/en/rpc-assistant/abstract-rpc-2): Find the official Abstract RPC endpoint, chain settings, testnet faucet, and debugging tips. Learn how to choose a reliable Abstract RPC provider for your dApp. - [Abstract RPC Endpoints: Chain Settings, Providers, and Developer Workflow](https://onfinality.io/en/rpc-assistant/abstract-rpc): Get Abstract RPC endpoints, chain IDs, provider comparison, and code examples for mainnet and testnet. Learn how to choose an RPC provider for production apps. - [Acala Liquid Staking: How LDOT Works and What to Check Before You Stake](https://onfinality.io/en/rpc-assistant/acala-liquid-staking): How Acala liquid staking works with LDOT, plus the RPC and API calls developers need to read staking state, exchange rates, and unbonding queues. - [Acala RPC: How to Connect to Acala Network Endpoints](https://onfinality.io/en/rpc-assistant/acala-rpc): Connect to Acala RPC endpoints for Substrate and EVM+. Compare public, authenticated, and dedicated node options for production dApps. - [Aleph Zero RPC: Endpoints, Setup, and Provider Selection](https://onfinality.io/en/rpc-assistant/aleph-zero-rpc-guide): Find Aleph Zero RPC endpoints for mainnet and testnet, learn how to connect, and compare providers. Includes setup examples and selection criteria. - [Arbitrum API: Endpoints, Methods, and Production Tips](https://onfinality.io/en/rpc-assistant/arbitrum-api): Learn how to use the Arbitrum API: RPC endpoints, JSON-RPC methods, chain configuration, and tips for production dApps on Arbitrum One and Nova. - [Arbitrum Endpoint: Chain Settings, RPC URLs, and Debugging](https://onfinality.io/en/rpc-assistant/arbitrum-endpoint): Learn how to connect to Arbitrum One and Sepolia: chain IDs, RPC URLs, request examples, and common failure modes. - [Arbitrum Public RPC: Endpoints, Chain Settings, and Provider Selection](https://onfinality.io/en/rpc-assistant/arbitrum-public-rpc): Find Arbitrum public RPC endpoints, chain settings, and how to choose a reliable provider for production apps. - [Arbitrum RPC List: How to Choose the Right Endpoint for Your App](https://onfinality.io/en/rpc-assistant/arbitrum-rpc-list): Explore the Arbitrum RPC list: public, managed, and dedicated endpoints. Learn how to choose the right one for your dApp. - [Asset Hub Kusama RPC Endpoint: How to Connect and Use It](https://onfinality.io/en/rpc-assistant/asset-hub-kusama): Learn how to connect to Asset Hub Kusama RPC endpoints, chain configuration, available methods, and tips for reliable infrastructure. - [Asset Hub Kusama RPC Endpoints: Chain Settings, Faucet, and Debugging Tips](https://onfinality.io/en/rpc-assistant/asset-hub-kusama-rpc): Find RPC endpoints for Kusama Asset Hub, learn chain settings, how to get test tokens, and troubleshoot common connection issues. For developers building on Polkadot's asset parachain. - [Asset Hub Migration: What Developers Need to Know About the Polkadot Relay Chain Transition](https://onfinality.io/en/rpc-assistant/asset-hub-migration): Learn how the Asset Hub migration affects RPC endpoints, staking, and governance. Update your infrastructure with this developer-focused guide. - [Asset Hub Polkadot: What It Is and How to Connect Your dApp](https://onfinality.io/en/rpc-assistant/asset-hub-polkadot): Learn what Asset Hub Polkadot is, how to connect via RPC, and how to manage assets, NFTs, and smart contracts with practical examples. - [Astar API: How to Connect to Astar Network RPC and Data Endpoints](https://onfinality.io/en/rpc-assistant/astar-api): Learn about the Astar API: JSON-RPC methods, token and staking data endpoints, and how to choose an RPC provider for production apps. - [Astar RPC Endpoints: Chain Settings, Public Nodes, and Production Considerations](https://onfinality.io/en/rpc-assistant/astar-rpc): Find Astar RPC endpoints, chain ID, and public node URLs. Learn how to choose an RPC provider for production dApps on Astar. - [Astar zkEVM RPC: How to Connect and Configure Your dApp](https://onfinality.io/en/rpc-assistant/astar-zkevm-rpc): Learn how to connect to Astar zkEVM RPC: endpoint, chain ID, and configuration for Ethereum-compatible dApps. Find reliable RPC providers. - [Avalanche API: What Should Developers Know About RPC, Data, and Node Access?](https://onfinality.io/en/rpc-assistant/avalanche-api): Learn how Avalanche API access works across C-Chain JSON-RPC, P-Chain, and X-Chain, with endpoint tests and production node guidance. - [Avalanche Node RPC: How to Connect, Configure, and Debug Your Endpoints](https://onfinality.io/en/rpc-assistant/avalanche-node-rpc): Configure Avalanche node RPC for C-Chain, X-Chain, and P-Chain. Learn chain settings, JSON-RPC methods, and troubleshooting for production apps. - [Avalanche RPC Node: Endpoint Settings, Provider Options, and Debugging](https://onfinality.io/en/rpc-assistant/avalanche-rpc-node): Learn how to configure an Avalanche RPC node, choose a provider, and debug common issues. Includes endpoint settings, provider comparison, and troubleshooting. - [Avalanche RPC: Endpoints, Chain IDs, and Provider Selection](https://onfinality.io/en/rpc-assistant/avalanche-rpc-guide): Complete guide to Avalanche RPC endpoints for C-Chain, P-Chain, X-Chain, and Fuji testnet. Learn how to choose a reliable RPC provider with our decision checklist. - [Base L2 on Ethereum: How to Connect and When to Use It](https://onfinality.io/en/rpc-assistant/base-l2-ethereum): Learn what Base L2 is on Ethereum, how to connect via JSON-RPC, chain settings, and when to use public, managed, or dedicated node infrastructure. - [Base Network RPC: How Do I Connect and Which Endpoint Should I Use?](https://onfinality.io/en/rpc-assistant/base-network-rpc): Connect to Base with the right RPC endpoint and chain ID 8453. Chain settings, curl and viem examples, plus how to pick a public, managed or dedicated endpoint. - [Base Node RPC: Endpoint Settings, Chain IDs, and Debugging](https://onfinality.io/en/rpc-assistant/base-node-rpc): Base node RPC reference: chain ID 8453, wallet settings, curl and viem examples, WebSocket notes, and how to debug common Base RPC errors. - [Base RPC Node: Endpoints, Chain Settings, and Debugging](https://onfinality.io/en/rpc-assistant/base-rpc-node): Learn how to connect to Base RPC nodes: official endpoint, chain settings, JSON-RPC examples, and troubleshooting tips for production apps. - [Base RPC URL, Chain ID & Public Endpoint Setup](https://onfinality.io/en/rpc-assistant/base-rpc-endpoint): Configure the Base RPC URL, chain ID 8453, wallet settings, public endpoint, and a practical path to production access. - [Bifrost RPC Endpoints: Chain Settings, Provider Options, and Developer Setup](https://onfinality.io/en/rpc-assistant/bifrost-rpc): Find Bifrost mainnet and testnet RPC endpoints, chain settings, and how to choose a reliable RPC provider for your dApp. - [Binance Chain API: How to Connect to BNB Smart Chain RPC Endpoints](https://onfinality.io/en/rpc-assistant/binance-chain-api): Connect to BNB Smart Chain with RPC APIs. Learn chain settings, public endpoints, and how to choose managed or dedicated node infrastructure. - [Binance Smart Chain Developer Guide for BNB Smart Chain](https://onfinality.io/en/rpc-assistant/binance-smart-chain-developer): Build on BNB Smart Chain with Solidity, Hardhat, Foundry, RPC setup, contract deployment, testing, finality, and release checklists. - [BNB RPC List: Which Endpoints Should Your App Connect To?](https://onfinality.io/en/rpc-assistant/bnb-rpc-list): Compare BNB Smart Chain RPC endpoints: mainnet and testnet settings, public vs managed vs dedicated nodes, request examples, and common failure modes. - [BNB Smart Chain Node: What It Is and How to Connect Reliably](https://onfinality.io/en/rpc-assistant/bnb-smart-chain-node): Learn what a BNB Smart Chain node is, how to run or rent one, and how to connect via RPC. Compare self-hosted vs managed options. - [BNB Smart Chain RPC Endpoint and Chain Settings](https://onfinality.io/en/rpc-assistant/bnb-smart-chain-endpoint): Set up BNB Smart Chain RPC URLs, chain IDs, wallet settings, ethchainId checks, curl examples, and endpoint troubleshooting. - [BNB Smart Chain RPC Endpoint: Chain Settings, Setup, and Debugging](https://onfinality.io/en/rpc-assistant/rpc-binance-smart-chain): Connect to BNB Smart Chain RPC with correct chain settings, JSON-RPC examples, and debugging tips. Compare public vs managed endpoints for production. - [BSC API: JSON-RPC Methods, WebSocket, Finality & Examples](https://onfinality.io/en/rpc-assistant/bsc-api): Use the BSC API with JSON-RPC methods, WebSocket subscriptions, finality calls, logs, transactions, curl, and viem examples. - [Composable Finance Crypto: What Is It and How Do You Build Cross-Chain DeFi on It?](https://onfinality.io/en/rpc-assistant/composable-finance-crypto): Learn what Composable Finance is, how it powers cross-chain DeFi, and how to configure RPC endpoints for development. - [Composable RPC: Endpoints, Dedicated Nodes, and Integration Guide](https://onfinality.io/en/rpc-assistant/composable-rpc): Learn how to connect to Composable Finance RPC endpoints, when to use dedicated nodes, and how to integrate with OnFinality for production apps. - [Crust Network Staking: How GPoS Works and What to Check Before Staking CRU](https://onfinality.io/en/rpc-assistant/crust-network-staking): Learn how Crust Network staking works under GPoS, what to check before staking CRU, and how to monitor your stake via RPC endpoints. - [Enjin RPC: Endpoints, Chain Settings, and Developer Workflow](https://onfinality.io/en/rpc-assistant/enjin-rpc): Learn about Enjin RPC endpoints for Matrix Chain and Relay Chain, Substrate methods, connection examples, and how to choose infrastructure for production. - [Ethereum Blockchain API: JSON-RPC Methods, WebSocket & Examples](https://onfinality.io/en/rpc-assistant/ethereum-blockchain-api-2): Learn how the Ethereum Blockchain API works with JSON-RPC, ethcall, logs, transactions, receipts, WebSocket subscriptions, and traces. - [Ethereum RPC List: How to Pick the Right Endpoint for Your App](https://onfinality.io/en/rpc-assistant/ethereum-rpc-list): Explore Ethereum RPC endpoints: public, managed, and dedicated options. Learn how to choose and connect with code examples. - [Fantom Endpoint: Chain Settings, RPC Configuration, and Debugging](https://onfinality.io/en/rpc-assistant/fantom-endpoint): Learn how to configure a Fantom endpoint, connect to Fantom Opera, and debug common RPC issues. Includes chain settings and code examples. - [Fantom Node: What Is It and How Do You Connect to Fantom Opera?](https://onfinality.io/en/rpc-assistant/fantom-node): Learn what a Fantom node is, how to connect to Fantom Opera via RPC, and how to choose between running your own node or using a managed service. - [Free RPC for Solana: What Are Your Options and When Should You Pay?](https://onfinality.io/en/rpc-assistant/free-rpc-solana): Looking for a free Solana RPC? Compare public endpoints, rate limits, and reliability. Learn when to switch to a managed or dedicated RPC provider. - [Free Solana RPC nodes: when are they enough for your app?](https://onfinality.io/en/rpc-assistant/free-solana-rpc-nodes): Free Solana RPC nodes work for prototypes and low-volume scripts. Learn how to connect, what limits appear under load, and when to move to managed or dedicated nodes. - [Frequency RPC: How to Connect to the Frequency Parachain](https://onfinality.io/en/rpc-assistant/frequency-rpc): Learn how to connect to Frequency RPC endpoints, chain settings, and best practices for building on the Frequency parachain. - [Gnosis RPC: Endpoints, Providers, and Best Practices](https://onfinality.io/en/rpc-assistant/gnosis-rpc-guide): Comprehensive guide to Gnosis RPC endpoints and providers. Learn about public RPCs, professional services, and how to choose the best Gnosis RPC for - [How do I connect to Optimism RPC and what should I consider when choosing an endpoint?](https://onfinality.io/en/rpc-assistant/optimism-rpc-endpoints-2): Learn about Optimism RPC endpoints for OP Mainnet and OP Sepolia. See how to connect, common methods, and how to pick a reliable provider for your app. - [How do I get the latest Ethereum block with ethgetBlockByNumber?](https://onfinality.io/en/rpc-assistant/eth-get-latest-block): Learn how to fetch the latest Ethereum block with ethgetBlockByNumber. See curl and ethers.js examples, response fields, and RPC provider tips. - [How do I mine Bittensor and keep my miner connected?](https://onfinality.io/en/rpc-assistant/how-to-mine-bittensor): Learn how Bittensor mining works: choose a subnet, set up GPU hardware, register a miner, and connect to Subtensor RPC endpoints. - [How do I use the Solana explorer API to inspect transactions and accounts?](https://onfinality.io/en/rpc-assistant/explorer-solana-api): Learn how to use the Solana explorer API to inspect transactions, accounts, and blocks. Includes RPC examples and provider selection tips. - [How do you check Arbitrum One uptime and what does it mean for your dApp?](https://onfinality.io/en/rpc-assistant/arbitrum-one-uptime): Learn how to check Arbitrum One uptime, what the status page tracks, and how to choose RPC infrastructure for reliable dApp performance. - [How do you check Optimism uptime and what does it mean for your dApp?](https://onfinality.io/en/rpc-assistant/optimism-uptime): Learn how to check Optimism uptime, what it means for your dApp, and how to choose a reliable RPC provider. - [How to Connect to Moonbeam: RPC Endpoints, JSON-RPC Methods, and Provider Selection](https://onfinality.io/en/rpc-assistant/moonbeam-api): Find Moonbeam RPC endpoints, supported JSON-RPC methods, provider comparison, and how to choose a reliable API for production dApps on Moonbeam, Moonriver, and Moonbase Alpha. - [How to Connect to Pichiu Network RPC for Oracle Data](https://onfinality.io/en/rpc-assistant/pichiu-oracle-rpc): Learn how to connect to Pichiu Network RPC endpoints for oracle data. Find chain settings, WebSocket URLs, and developer troubleshooting tips for the Pichiu oracle. - [How to Create a Token on peaq: A Step-by-Step Developer Guide](https://onfinality.io/en/rpc-assistant/create-token-on-peaq-guide): Learn how to create a token on peaq using no-code tools or smart contracts. Covers token standards, RPC setup, deployment steps, and best practices for DePIN builders. - [How to Mine TAO on Bittensor: A Practical Guide for Developers](https://onfinality.io/en/rpc-assistant/how-to-mine-tao-bittensor): Learn how to mine TAO on Bittensor: choose a subnet, register a miner, and connect to the Finney network with RPC endpoints. - [How to Set Up a Custom Sui RPC Endpoint for Your dApp](https://onfinality.io/en/rpc-assistant/sui-custom-rpc): Configure a custom Sui RPC endpoint for your dApp. Learn about public vs. dedicated nodes, JSON-RPC examples, and troubleshooting common issues. - [How to Stake on BNB Smart Chain: A Step-by-Step Walkthrough](https://onfinality.io/en/rpc-assistant/staking-walkthrough-for-binance-smart-chain): Learn how to stake BNB on BNB Smart Chain with this step-by-step walkthrough. Covers delegation, liquid staking, and RPC reliability. - [Kaia Public Node: Endpoints, Providers, and Production Considerations](https://onfinality.io/en/rpc-assistant/kaia-public-node): Learn about Kaia public nodes, official endpoints, and how to choose a reliable RPC provider for production apps. - [Kaia RPC: Endpoints, Providers, and Best Practices](https://onfinality.io/en/rpc-assistant/kaia-rpc-guide): Comprehensive guide to Kaia RPC endpoints, public and private providers, connection setup, and evaluation criteria for developers. - [Kava API Endpoints: What Developers Need to Know](https://onfinality.io/en/rpc-assistant/kava-api): Kava API endpoints: EVM, Tendermint, REST, and WebSocket. Learn how to connect, what node types to use, and how to pick a reliable provider for your Web3 project. - [Kava RPC: Chain Settings, Endpoints, and Debugging](https://onfinality.io/en/rpc-assistant/kava-rpc): Kava RPC endpoints, chain settings, and debugging tips for developers. Learn how to connect to Kava and troubleshoot common issues. - [Klaytn API: What should developers know about RPC, KAS, and node infrastructure?](https://onfinality.io/en/rpc-assistant/klaytn-api): Learn how to connect to Klaytn (Kaia) via JSON-RPC, KAS, or dedicated nodes. Compare options, see code examples, and avoid common pitfalls. - [Kusama API: Endpoints, Methods, and How to Connect](https://onfinality.io/en/rpc-assistant/kusama-api): Learn how to connect to the Kusama API with JSON-RPC and WebSocket endpoints. Includes common methods, code examples, and infrastructure considerations. - [Kusama Migration: What Changed and How to Update Your RPC Endpoints](https://onfinality.io/en/rpc-assistant/kusama-migration): Kusama migration moved core functions to Asset Hub. Learn how to update RPC endpoints, avoid common pitfalls, and keep your dApp running. - [Mantle Endpoint: Chain Settings, RPC URLs, and Debugging](https://onfinality.io/en/rpc-assistant/mantle-endpoint): Connect to Mantle mainnet with the correct RPC endpoint, chain ID, and explorer. Learn about public vs dedicated nodes and common troubleshooting. - [Mantle RPC: Chain Settings, Endpoints, and How to Choose a Provider](https://onfinality.io/en/rpc-assistant/mantle-rpc): Get Mantle RPC chain settings, public endpoints, and provider selection tips. Learn how to connect to Mantle mainnet and testnet reliably. - [Metis API: Chain Settings, RPC Methods, and Provider Selection](https://onfinality.io/en/rpc-assistant/metis-api): Learn about the Metis Andromeda JSON-RPC API: chain settings, common methods, wallet connection, and how to choose a reliable RPC provider for production. - [Moonriver RPC: Endpoints, Configuration, and Best Practices](https://onfinality.io/en/rpc-assistant/moonriver-rpc-guide): Learn about Moonriver RPC endpoints, how to connect MetaMask, and how to choose a reliable RPC provider for production dApps on Moonriver. - [Optimism API: What It Is and How to Use It for OP Mainnet](https://onfinality.io/en/rpc-assistant/optimism-api): Learn what the Optimism API is, how it works on OP Mainnet, and how to choose the right RPC provider for your dApp. - [Optimism Endpoint: Chain Settings, Connection, and Debugging](https://onfinality.io/en/rpc-assistant/optimism-endpoint): Learn how to connect to Optimism RPC endpoints for OP Mainnet and OP Sepolia. Chain settings, curl and ethers.js examples, and common failure modes. - [Optimism Nodes: Public, Managed, or Self-Hosted?](https://onfinality.io/en/rpc-assistant/optimism-nodes): Compare public, managed, and self-hosted Optimism nodes. Learn how to choose the right setup for your OP Mainnet app. - [Optimism RPC List: Public Endpoints, Chain Settings, and Production Providers](https://onfinality.io/en/rpc-assistant/optimism-rpc-list): Find public Optimism RPC endpoints, chain settings for OP Mainnet and Sepolia, and how to choose a production RPC provider. - [Optimism RPC Node: Endpoints, Chain Settings, and Debugging](https://onfinality.io/en/rpc-assistant/optimism-rpc-node): Connect to OP Mainnet and Optimism Sepolia with the right RPC endpoint, chain settings, and debugging workflow. Learn how to choose infrastructure that fits your workload. - [Optimism RPC: How to Connect to OP Mainnet and Choose the Best Endpoint](https://onfinality.io/en/rpc-assistant/optimism-rpc-guide): Learn how to connect to OP Mainnet using Optimism RPC endpoints. Compare public, private, and dedicated node options for reliable Web3 access. - [Peaq RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/peaq-rpc): Learn how to connect to the Peaq RPC endpoint, configure your wallet, use the faucet, and troubleshoot common issues. For DePIN and machine economy dApps. - [Peaq RPC: How to Connect to the DePIN Layer 1](https://onfinality.io/en/rpc-assistant/peaq-rpc-guide): Learn how to connect to the Peaq network using RPC endpoints. Discover Peaq's chain ID, native token, and how to choose a reliable RPC provider for - [Phala RPC Endpoints: Chain Settings, Connection Guide, and Developer Resources](https://onfinality.io/en/rpc-assistant/phala-rpc): Find Phala RPC endpoints, chain settings, and connection examples. Learn how to choose a reliable Phala RPC provider for your dApp or Phat Contract. - [Polkadot Asset Hub Migration: A Developer's Guide to the Relay Chain Transition](https://onfinality.io/en/rpc-assistant/polkadot-asset-hub-migration-guide): Learn how the Polkadot Asset Hub migration affects RPC endpoints, transactions, and node operations. Update your dApp with this developer-focused guide. - [Polkadot Migration: What Developers Need to Know About the Relay Chain to Asset Hub Transition](https://onfinality.io/en/rpc-assistant/polkadot-migration-guide): Learn about the Polkadot migration of balances, staking, and governance to Asset Hub. Update RPC endpoints, test compatibility, and ensure dApp continuity. - [Polkadot Nodes: A Developer's Guide to Running and Connecting to the Network](https://onfinality.io/en/rpc-assistant/polkadot-nodes-guide): Learn about Polkadot node types, how to run a full or archive node, and how to connect via RPC endpoints. Compare self-hosted vs provider options. - [Polkadot RPC: A Complete Guide to Endpoints, Methods, and Providers](https://onfinality.io/en/rpc-assistant/polkadot-rpc-guide): Comprehensive guide to Polkadot RPC endpoints, JSON-RPC methods, and how to choose a reliable RPC provider for production dApps on Polkadot and its - [Polygon MATIC API: What Should Developers Know?](https://onfinality.io/en/rpc-assistant/polygon-matic-api): Learn about the Polygon MATIC API: JSON-RPC endpoints, SDKs, and how to choose the right API for your dApp. Includes chain settings and examples. - [Polygon Network RPC: Endpoints, Chain Settings, and Debugging](https://onfinality.io/en/rpc-assistant/polygon-network-rpc): Connect to Polygon RPC with the official endpoint, chain settings, and debugging tips. Learn about JSON-RPC methods, WebSocket, and provider options. - [Polygon Node RPC: Endpoints, Chain Settings, and Provider Selection](https://onfinality.io/en/rpc-assistant/polygon-node-rpc): Polygon node RPC endpoints, chain settings for mainnet and Amoy, and how to choose between public, shared, and dedicated providers. - [Polygon Public RPC: When to Use It and When to Move On](https://onfinality.io/en/rpc-assistant/polygon-public-rpc): Use the Polygon public RPC for tests and light scripts. Get the endpoint, chain ID, wallet config, curl examples, and signs it is time to move to managed RPC. - [Polygon Rate Limits: What They Are and How to Avoid 429 Errors](https://onfinality.io/en/rpc-assistant/polygon-rate-limit): Understand Polygon RPC rate limits, why 429 errors happen, and how to size public, managed, and dedicated endpoints for production traffic. - [Polygon RPC API: Endpoint Settings, Methods, and Debugging](https://onfinality.io/en/rpc-assistant/polygon-rpc-api): Connect to the Polygon RPC API: chain ID, endpoint settings, curl and ethers examples, method support, and common failure modes for developers. - [Polygon RPC List: Mainnet and Amoy Endpoints for Developers](https://onfinality.io/en/rpc-assistant/polygon-rpc-list): Get the official Polygon RPC endpoints for mainnet and Amoy testnet. Compare public, managed, and dedicated RPC options for your dApp. - [Polygon RPC Providers & Nodes: Public, Managed & Dedicated](https://onfinality.io/en/rpc-assistant/polygon-rpc-guide): Compare Polygon RPC providers and nodes by public access, managed limits, dedicated capacity, archive data, Trace support, and production fit. - [PublicNode Solana RPC Endpoint: How to Connect and What to Expect](https://onfinality.io/en/rpc-assistant/publicnode-solana-rpc-endpoint): Learn how to connect to the PublicNode Solana RPC endpoint, its rate limits, and when to switch to a managed RPC provider like OnFinality for production. - [RPC BNB: How Do You Connect to BNB Smart Chain and Pick the Right Endpoint?](https://onfinality.io/en/rpc-assistant/rpc-bnb): Learn how to connect to BNB Smart Chain over RPC: chain settings, mainnet and testnet endpoints, a curl example, WebSocket support, and endpoint selection tips. - [RPC TON Network: Endpoints, Provider Comparison, and Troubleshooting](https://onfinality.io/en/rpc-assistant/rpc-ton-network): Comprehensive guide to RPC TON network endpoints, provider selection criteria, setup steps, and common debugging tips. Compare providers and avoid pitfalls. - [Scalable Solana gRPC Endpoints for Enterprise Use: What to Evaluate](https://onfinality.io/en/rpc-assistant/scalable-solana-grpc-endpoints-for-enterprise-use): How to evaluate scalable Solana gRPC endpoints for enterprise use: streaming vs polling, capacity checks, failover, and when to move to dedicated nodes. - [Solana Endpoint: How to Connect to Solana RPC for Production Apps](https://onfinality.io/en/rpc-assistant/solana-endpoint): Learn what a Solana endpoint is, how to configure Solana RPC for mainnet and devnet, and how to choose a reliable provider for production apps. - [Solana Node API: How to Connect, Configure, and Debug RPC Calls](https://onfinality.io/en/rpc-assistant/solana-node-api): Learn how to connect to the Solana node API, choose endpoints, handle commitment levels, and debug common RPC errors. - [Solana Public RPC Endpoints](https://onfinality.io/en/rpc-assistant/solana-public-rpc): Find Solana mainnet and Devnet public RPC endpoints, understand shared rate limits, and compare public access with managed production RPC. - [Solana Public RPC Endpoints: Which One Should You Use?](https://onfinality.io/en/rpc-assistant/solana-public-rpc-endpoints): Compare Solana public RPC endpoints: default vs managed. Learn rate limits, reliability, and how to connect via HTTP and WebSocket. - [Solana Public RPC Nodes: What They Are and When to Use Them](https://onfinality.io/en/rpc-assistant/solana-public-rpc-nodes): Learn how Solana public RPC nodes work, their rate limits and reliability risks, and when to switch to a managed or dedicated RPC provider. - [Solana RPC API Documentation: Endpoints, Methods, and Debug Path](https://onfinality.io/en/rpc-assistant/solana-rpc-api-documentation): Reference for the Solana RPC API: endpoint format, core JSON-RPC methods, WebSocket subscriptions, common errors, and when to move to a dedicated node. - [Solana RPC API Guide: Methods, WebSocket & Commitment](https://onfinality.io/en/rpc-assistant/solana-api-guide): Use the Solana RPC API with HTTP and WebSocket: learn core methods, transaction workflows, subscriptions, commitment levels, and production checks. - [Solana RPC Endpoint: How to Connect and Configure for Production](https://onfinality.io/en/rpc-assistant/rpc-endpoint-solana): Learn how to connect to Solana RPC endpoints for mainnet and devnet, configure your dApp, and choose the right RPC provider for production. - [Solana RPC Endpoint: How to Connect, Configure, and Debug](https://onfinality.io/en/rpc-assistant/solana-rpc-endpoint): Learn how to connect to Solana RPC endpoints, configure your dApp, and debug common issues. Includes mainnet and devnet URLs. - [Solana RPC Node: What It Is, How to Connect, and How to Choose](https://onfinality.io/en/rpc-assistant/rpc-node-solana): Learn what a Solana RPC node is, how to connect to endpoints, and how to choose the right infrastructure for production apps. - [Solana RPC Server: How to Connect, Configure, and Scale](https://onfinality.io/en/rpc-assistant/solana-rpc-server): What a Solana RPC server does, how to connect with curl and JavaScript, chain settings for wallets, and when to move to a dedicated node. - [Solana WebSocket API: How to Stream Real-Time Data from the Chain](https://onfinality.io/en/rpc-assistant/solana-websocket-api): Learn how to use the Solana WebSocket API for real-time data. Explore subscription methods, endpoint setup, and production tips. - [solana.io: What Developers Actually Need to Connect to Solana](https://onfinality.io/en/rpc-assistant/solana-io): solana.io is not the Solana RPC endpoint. Learn the real Solana mainnet RPC and WebSocket URLs, connection examples, and how to choose public vs dedicated access. - [Sonic Network RPC: Chain Settings, Endpoints, and Provider Selection](https://onfinality.io/en/rpc-assistant/sonic-network-rpc): Sonic Network RPC guide: chain settings, public endpoint, wallet setup, and how to choose an RPC provider for production. - [Sonic RPC Node: How to Connect to Sonic Mainnet](https://onfinality.io/en/rpc-assistant/sonic-rpc-node): Learn how to connect to Sonic RPC nodes, configure your wallet, and choose the right RPC provider for Sonic mainnet. - [Sonic RPC: Chain Settings, Endpoints, and Provider Selection](https://onfinality.io/en/rpc-assistant/sonic-rpc): Sonic RPC endpoints, chain settings, and how to choose a reliable provider for production apps. Compare public vs managed RPC options. - [SORA Blockchain and SORA Network: What Should Developers Know?](https://onfinality.io/en/rpc-assistant/sora-blockchain-sora-network): Learn about the SORA blockchain and network, how to connect via RPC, and best practices for reliable dApp development. - [SORA Network Blockchain: What Is It and How Do You Connect?](https://onfinality.io/en/rpc-assistant/sora-network-blockchain): Learn about the SORA network blockchain, how to connect via RPC, and best practices for reliable dApp development. - [Sora Project and Sora Network: What Should Developers Know?](https://onfinality.io/en/rpc-assistant/sora-project-sora-network): Learn about the Sora project and SORA network, its Substrate-based architecture, and how to connect via RPC endpoints for development. - [Staking KLAY on Klaytn: What Developers Should Check Before You Stake](https://onfinality.io/en/rpc-assistant/staking-klaytn): How Klaytn staking works, which JSON-RPC methods power staking apps, and how to pick RPC infrastructure for reward tracking and transaction submission. - [Sui API: How to Choose the Right Interface for Your dApp](https://onfinality.io/en/rpc-assistant/sui-api): Learn about Sui's JSON-RPC, gRPC, and GraphQL APIs. Compare interfaces, see code examples, and connect to Sui mainnet with OnFinality. - [Sui gRPC Guide: Endpoints, Streaming & JSON-RPC Migration](https://onfinality.io/en/rpc-assistant/sui-rpc-guide): Learn Sui gRPC endpoints, grpcurl, streaming services, transaction methods, and a practical path from legacy JSON-RPC. - [Sui JSON-RPC: Methods, Endpoints, and How to Use Them](https://onfinality.io/en/rpc-assistant/sui-json-rpc): Learn Sui JSON-RPC methods, endpoints, and how to connect. Explore practical examples and troubleshooting tips for Sui developers. - [Sui Mainnet RPC: How to Connect and What to Check](https://onfinality.io/en/rpc-assistant/sui-mainnet-rpc): Connect to Sui Mainnet RPC with confidence. Learn endpoints, JSON-RPC methods, and how to choose between public and dedicated nodes. - [Sui Public RPC: What It Gives You and When to Move On](https://onfinality.io/en/rpc-assistant/sui-public-rpc): What a Sui public RPC endpoint can do, how to call Sui JSON-RPC, common failure modes, and when to move to a managed or dedicated Sui node. - [TON JSON-RPC: Endpoint, Methods, and How to Use It](https://onfinality.io/en/rpc-assistant/ton-json-rpc): Learn TON JSON-RPC: endpoint, methods, auth, and how to choose between public, managed, and dedicated TON RPC infrastructure. - [Unichain Node: What It Is and How to Connect](https://onfinality.io/en/rpc-assistant/unichain-node): Learn what a Unichain node is, how to connect via RPC, and how to choose between public, managed, and dedicated node options for your dApp. - [What are Arbitrum nodes and how should you run or access them?](https://onfinality.io/en/rpc-assistant/arbitrum-nodes): Learn about Arbitrum node types, self-hosting vs managed RPC, and how to choose the right setup for your dApp. - [What Are Avalanche Nodes and When Should You Use Them?](https://onfinality.io/en/rpc-assistant/avalanche-nodes): Learn what Avalanche nodes are, their types, hardware requirements, and decide whether to run your own or use an RPC service. - [What are Stellar nodes and how do you connect to the network?](https://onfinality.io/en/rpc-assistant/stellar-nodes): Learn about Stellar nodes: validator, full, and archive nodes. How to run one and connect via RPC endpoints for your dApp. - [What are the best Gnosis RPC endpoints for production apps?](https://onfinality.io/en/rpc-assistant/gnosis-rpc-list): Find Gnosis RPC endpoints, chain settings, and provider evaluation tips. Compare public vs managed RPC for production apps. - [What are the Bittensor RPC URLs for mainnet, lite, and testnet?](https://onfinality.io/en/rpc-assistant/bittensor-rpc-url): Find official Bittensor RPC URLs for Finney (mainnet), Lite, and testnet. Learn how to connect your dApp or wallet with the correct endpoint. - [What are the Celo RPC endpoints for mainnet and testnet?](https://onfinality.io/en/rpc-assistant/celo-rpc-endpoint): Learn Celo RPC endpoints, chain IDs, faucet URLs, and common troubleshooting. A developer reference for connecting to Celo mainnet and testnet. - [What Are the IoTeX RPC Endpoints and How Do You Connect?](https://onfinality.io/en/rpc-assistant/iotx-rpc): Find official IoTeX mainnet and testnet RPC endpoints, chain ID, and sample code. Learn how to choose a reliable IoTeX RPC provider for your dApp. - [What Are the Kaia RPC Endpoints and How Do You Connect to Kaia?](https://onfinality.io/en/rpc-assistant/kaia-endpoint): Find Kaia mainnet and Kairos testnet RPC endpoints, learn about public vs private providers, and get tips for production-grade Kaia infrastructure. - [What are the latest Solana RPC updates and how do they affect your dApp?](https://onfinality.io/en/rpc-assistant/solana-rpc-updates): Stay current with Solana RPC updates: new methods, endpoint changes, and how to choose reliable infrastructure for production. - [What are the Moonbeam RPC endpoints and which provider should I use?](https://onfinality.io/en/rpc-assistant/moonbeam-rpc-list): Compare Moonbeam RPC endpoints, chain ID 1284, testnet access, connection examples, and reliability checks for dApps. - [What can you actually do with a free Solana node endpoint?](https://onfinality.io/en/rpc-assistant/solana-free-node): Understand what a free Solana node endpoint can handle, where shared RPC breaks down, and how to test before moving to managed or dedicated Solana RPC. - [What dedicated node access features should Solana developers look for?](https://onfinality.io/en/rpc-assistant/solana-rpc-dedicated-node-access-features): Learn the essential dedicated node access features for Solana RPC: rate limits, WebSockets, archive data, and failover. Choose the right setup. - [What is a Base NFT API and how do you query NFT data on Base?](https://onfinality.io/en/rpc-assistant/base-nft-api): How to read NFT ownership, metadata, and transfers on Base using JSON-RPC and indexer APIs, plus endpoint settings and production tips. - [What Is a Base Node and How Do You Run or Connect to One?](https://onfinality.io/en/rpc-assistant/base-node): Learn what a Base node is, how to run one, and when to use a managed RPC provider like OnFinality for Base mainnet and testnet. - [What is a Bitcoin endpoint and how do you connect to the Bitcoin network?](https://onfinality.io/en/rpc-assistant/bitcoin-endpoint): Learn what a Bitcoin endpoint is, how to choose one, and how to connect your app to Bitcoin RPC nodes reliably. - [What is a BNB Chain node and how do you run or connect to one?](https://onfinality.io/en/rpc-assistant/bnb-chain-node): Learn what a BNB Chain node is, how to run one, and when to choose a managed RPC provider like OnFinality for production apps. - [What is a BNB node and when should you run one?](https://onfinality.io/en/rpc-assistant/bnb-node): Learn what a BNB node is, the hardware and sync requirements, and when to run your own vs use a managed RPC service like OnFinality. - [What Is a Gnosis Node and How Do You Connect to Gnosis RPC?](https://onfinality.io/en/rpc-assistant/gnosis-node): Learn what a Gnosis node is, how to connect to Gnosis RPC, and whether to run your own node or use a managed service like OnFinality. - [What is a Moonbeam node and when should you run one?](https://onfinality.io/en/rpc-assistant/moonbeam-node): Learn what a Moonbeam node is, the hardware requirements, and when to run your own vs. using a managed RPC service like OnFinality. - [What is a Moonbeam RPC and how do you use it?](https://onfinality.io/en/rpc-assistant/moonbeam-rpc-guide): Learn what Moonbeam RPC endpoints are, how to connect to Moonbeam, and how to choose a reliable RPC provider for your dApp. - [What is a Polkadot node and how do you run one?](https://onfinality.io/en/rpc-assistant/polkadot-node-guide): Learn about Polkadot node types, how to run a full or archive node, and when to use a managed RPC provider like OnFinality for production dApps. - [What is a Polygon node and how do you run or connect to one?](https://onfinality.io/en/rpc-assistant/polygon-nodes): Learn what Polygon nodes are, how to run one, and how to connect via RPC. Compare self-hosting vs managed providers like OnFinality. - [What is a Smart Chain RPC URL and how do I connect to BNB Smart Chain?](https://onfinality.io/en/rpc-assistant/smart-chain-rpc-url): Smart Chain RPC URL settings for BNB Smart Chain mainnet and testnet, with curl and JavaScript examples, wallet config, and debugging tips. - [What is a Solana dedicated node and when should you use one?](https://onfinality.io/en/rpc-assistant/solana-dedicated-node): Learn what a Solana dedicated node is, how it compares to shared and self-hosted nodes, and how to choose the right infrastructure for your dApp. - [What is a Solana explorer API and how do you use it?](https://onfinality.io/en/rpc-assistant/solana-explorer-api): Learn how to use the Solana explorer API to query transactions, accounts, and blocks. Compare public vs managed RPC endpoints and see code examples. - [What Is a Solana Free API and How Do You Use It?](https://onfinality.io/en/rpc-assistant/solana-free-api): Learn what a Solana free API offers, how to get started with public endpoints, and when to upgrade to managed RPC for production apps. - [What is a Starknet endpoint and how do you choose one?](https://onfinality.io/en/rpc-assistant/starknet-endpoint): Learn what a Starknet endpoint is, how to call Starknet JSON-RPC methods, and how to pick a public, testnet, or dedicated provider. - [What is a Starknet node and how do you run or connect to one?](https://onfinality.io/en/rpc-assistant/starknet-node): Learn what a Starknet node is, how to run one, and when to use a managed RPC service like OnFinality for production dApps. - [What is a TON RPC node and how do you use one?](https://onfinality.io/en/rpc-assistant/ton-rpc-node-guide): Learn what a TON RPC node is, the different node modes, and how to choose between self-hosted and managed RPC providers for your TON dApp. - [What is an Abstract RPC and how do I start using it?](https://onfinality.io/en/rpc-assistant/abstract-rpc-3): Guide to Abstract RPC endpoints, chain ID, token, faucet, and debugging tips for developers. Connect to Abstract mainnet and testnet. - [What is an Arbitrum node and how should you run or access one?](https://onfinality.io/en/rpc-assistant/arbitrum-node): Learn what an Arbitrum node is, how to run one, sync modes, and when to use a managed RPC provider like OnFinality for production. - [What is an Avalanche archive node and when should you use one?](https://onfinality.io/en/rpc-assistant/avalanche-archive-node): Learn what an Avalanche archive node is, how it differs from pruned nodes, and when to run one or use a managed RPC provider. - [What is an ETH public RPC and when should you use one?](https://onfinality.io/en/rpc-assistant/eth-public-rpc): Learn how to use an ETH public RPC endpoint, configure Ethereum mainnet and Sepolia, verify JSON-RPC calls, and know when to move to a managed or dedicated node. - [What is an Ethereum RPC endpoint and how do you choose the right one?](https://onfinality.io/en/rpc-assistant/rpc-eth): Learn what an Ethereum RPC endpoint is, how to choose between public, managed, and dedicated options, and how to configure it in wallets and dapps. - [What is an Ethereum RPC URL and how do you choose the right one?](https://onfinality.io/en/rpc-assistant/ethereum-rpc-url): Learn what an Ethereum RPC URL is, how to configure it, and how to choose between public, managed, and dedicated endpoints for production. - [What is an RPC for Solana and how do you choose the right endpoint?](https://onfinality.io/en/rpc-assistant/rpc-for-solana): Learn how Solana RPC works, how to connect to public and dedicated endpoints, and what to evaluate when choosing infrastructure for production. - [What Is Asset Hub and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/asset-hub): Learn what Asset Hub is, how to connect to its RPC endpoints, and how to choose the right provider for your Polkadot or Kusama dApp. - [What Is Base Ethereum Layer 2 and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/base-ethereum-layer-2): Learn what Base Ethereum Layer 2 is, how it works, and how to connect your dApp with RPC endpoints. Get chain settings and best practices. - [What is Bittensor RPC and how do you connect to it?](https://onfinality.io/en/rpc-assistant/bittensor-rpc-guide): Learn how to connect to Bittensor RPC endpoints for Substrate and EVM. Compare providers, find public endpoints, and get started with OnFinality. - [What is Bittensor RPC and how do you connect to it?](https://onfinality.io/en/rpc-assistant/bittensor-rpc): Find Bittensor RPC endpoints for Finney and testnet. Compare providers, chain settings, and code examples. Learn how to connect to Bittensor's Substrate and EVM APIs. - [What Is Bittensor Subnet 123 and How Do You Interact With It?](https://onfinality.io/en/rpc-assistant/bittensor-subnet-123): Learn about Bittensor subnet 123, its purpose, and how to interact with it via RPC. Get setup tips and provider guidance for developers. - [What Is Composable Finance and How Do You Build on It?](https://onfinality.io/en/rpc-assistant/composable-finance): Learn how to connect to Composable Finance and Picasso networks via RPC, configure endpoints, and build cross-chain DeFi apps. - [What is Crust Network and how does it provide decentralized storage?](https://onfinality.io/en/rpc-assistant/what-is-crust-network): Crust Network is a Substrate-based L1 blockchain that adds an incentive layer to IPFS. Learn how it works, its key features, and how to connect. - [What is Efinity? A Complete Guide to the Blockchain for NFTs and Gaming](https://onfinality.io/en/rpc-assistant/efinity-guide): Learn what Efinity is, its key features, and how to connect to the network via RPC endpoints. A complete guide for developers building on Efinity. - [What is Gnosis Chain RPC and how do you choose the right endpoint?](https://onfinality.io/en/rpc-assistant/gnosis-chain-rpc): Learn Gnosis Chain RPC endpoints, chain settings, and how to choose a reliable RPC provider for production dApps. Includes evaluation checklist and troubleshooting tips. - [What is HydraDX and how do you connect to it via RPC?](https://onfinality.io/en/rpc-assistant/hydradx-guide): Learn how to connect to HydraDX (Hydration) via RPC endpoints. Find public and private RPC URLs, WebSocket support, and best practices for developers. - [What is JSON RPC Solana and how do you use it?](https://onfinality.io/en/rpc-assistant/json-rpc-solana): Learn how to use Solana JSON-RPC: core methods, public endpoints, WebSocket subscriptions, and common errors. - [What Is Kilt Mashnet and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/kilt-mashnet): Learn how to connect to Kilt Mashnet, the Kilt mainnet for decentralized identity. Get chain settings, RPC endpoint examples, and provider selection tips. - [What is Kusama Asset Hub and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/kusama-asset-hub-guide): Learn what Kusama Asset Hub is, how to use it for asset issuance and smart contracts, and how to connect via reliable RPC endpoints from OnFinality. - [What Is Mangata X and How Do You Connect to Its RPC?](https://onfinality.io/en/rpc-assistant/mangatax): Learn what Mangata X is, how to connect to its RPC endpoints, and how to choose the right infrastructure for your DEX or trading app. - [What Is Manta Atlantic and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/manta-atlantic): Learn how to connect to Manta Atlantic RPC, review chain settings, and plan for the network sunset in 2026. - [What is peaq mainnet and how do you connect to it?](https://onfinality.io/en/rpc-assistant/peaq-mainnet): Learn about peaq mainnet, the DePIN Layer 1, and how to connect with RPC endpoints, chain settings, and practical examples. - [What is peaq RPC and how do you connect to the peaq network?](https://onfinality.io/en/rpc-assistant/rpc-peaq-guide): Learn about peaq RPC endpoints, chain ID (3338), native token PEAQ, and how to connect to the peaq network for DePIN and Machine Economy dApps. - [What is Pichiu Network and How to Connect via RPC?](https://onfinality.io/en/rpc-assistant/pichiu-guide): Learn how to connect to Pichiu Network via RPC endpoints. Includes public RPC URLs, WebSocket support, and dedicated node options for developers. - [What is Polygon finality and how does it affect your dApp?](https://onfinality.io/en/rpc-assistant/polygon-finality): Learn about Polygon finality, how Heimdall v2 cut it to ~5 seconds, and how to handle finality in your dApp with RPC best practices. - [What is SORA Network?](https://onfinality.io/en/rpc-assistant/what-is-sora-network): Learn what SORA Network is, its XOR token, governance, and SORA Nexus upgrade. Find RPC endpoints and developer guidance for building on SORA. - [What Is Statemine and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/statemine): Learn how to connect to Statemine, the Kusama asset hub. Get RPC endpoints, chain settings, and troubleshooting tips for developers. - [What is Stellar RPC and how do you use it?](https://onfinality.io/en/rpc-assistant/stellar-rpc-guide): Learn how to use Stellar RPC (Horizon and Soroban) for blockchain development. Includes endpoint examples, authentication, and best practices for - [What Is Stellar RPC and How to Use It for Your dApp?](https://onfinality.io/en/rpc-assistant/stellar-rpc): Learn what Stellar RPC is, how Horizon API works, and how to choose a reliable Stellar RPC provider for your dApp. Includes endpoint settings, faucet, and debugging tips. - [What is the Abstract chain RPC endpoint and how do I connect to it?](https://onfinality.io/en/rpc-assistant/abstract-chain-rpc-endpoint): Find Abstract mainnet and testnet RPC endpoints, chain IDs, WebSocket URLs, and connection examples for wallets, dApps, and trading tools. - [What is the Acala Network and how do I connect to it?](https://onfinality.io/en/rpc-assistant/acala-network-guide): Learn about the Acala Network, its DeFi features, and how to connect using RPC endpoints. Includes a decision checklist, code examples, and best practices for developers. - [What is the Aleph Zero RPC endpoint and how do you connect?](https://onfinality.io/en/rpc-assistant/aleph-zero-rpc): Find Aleph Zero RPC endpoints, chain ID, explorer, faucet, and JSON-RPC examples. Learn how to evaluate RPC providers for your dApp. - [What is the Arbitrum RPC endpoint and how do you use it?](https://onfinality.io/en/rpc-assistant/arbitrum-rpc-endpoint): Find the official Arbitrum RPC endpoints for One, Nova, and Sepolia. Learn chain settings, code examples, and how to choose a reliable provider. - [What is the Base network RPC endpoint and how do I use it?](https://onfinality.io/en/rpc-assistant/base-network-rpc-endpoint): Get the Base network RPC endpoint, chain ID, and setup steps. Configure wallets, ethers, viem, and debug common RPC issues. - [What is the Binance Beacon Chain explorer and how do you query it?](https://onfinality.io/en/rpc-assistant/binance-beacon-chain-explorer): Understand the Binance Beacon Chain explorer, what it showed, and how to query BNB Chain data today with RPC endpoints and dedicated node infrastructure. - [What is the Bittensor network and how do you connect to it?](https://onfinality.io/en/rpc-assistant/bittensor-network): Learn how to connect to the Bittensor network with RPC endpoints, understand subnets and TAO, and choose the right infrastructure for your dApp. - [What is the BNB Smart Chain RPC URL and how do I use it?](https://onfinality.io/en/rpc-assistant/binance-smart-chain-rpc-url): Get the BNB Smart Chain RPC URL, learn how to configure it in wallets and dApps, and find tips for choosing a reliable RPC provider. - [What is the Kaia API and how do you connect to it?](https://onfinality.io/en/rpc-assistant/kaia-api): Learn how to connect to the Kaia API with JSON-RPC. Explore public endpoints, namespaces, and how to choose the right RPC infrastructure. - [What is the Moonbeam RPC endpoint and how do you connect to it?](https://onfinality.io/en/rpc-assistant/moonbeam-rpc-endpoint): Moonbeam RPC endpoint details: chain ID 1284, GLMR, HTTPS/WSS URLs, connection examples, and provider-selection guidance. - [What is the peaq blockchain and how do you build on it?](https://onfinality.io/en/rpc-assistant/peaq-blockchain): Learn what peaq blockchain is, how it powers DePINs and the Machine Economy, and how to connect your dApp with RPC endpoints. - [What is the peaq mainnet RPC endpoint?](https://onfinality.io/en/rpc-assistant/peaq-mainnet-rpc): Learn the peaq mainnet RPC chain settings, chain ID 3338, JSON-RPC examples, and how to choose a public or managed peaq RPC endpoint. - [What is the peaq network RPC and how do I connect to it?](https://onfinality.io/en/rpc-assistant/peaq-network-rpc): Connect to peaq with the correct RPC settings, chain details, endpoint tests, and troubleshooting guidance for DePIN applications. - [What is the RPC URL for Binance Smart Chain?](https://onfinality.io/en/rpc-assistant/rpc-url-for-binance-smart-chain): Find the official BNB Smart Chain RPC URL, testnet endpoint, chain settings, and how to connect with ethers.js and MetaMask. - [What is the Scroll endpoint and how do I connect to it?](https://onfinality.io/en/rpc-assistant/scroll-endpoint): Learn how to connect to the Scroll endpoint, configure your wallet, and choose the right RPC provider for production apps. - [What is the SORA API and how do you use it for dApps?](https://onfinality.io/en/rpc-assistant/sora-api): Learn what the SORA API is, how to connect to SORA RPC endpoints, and how to choose a provider for production dApps. - [What Is the SORA Blockchain and How Do You Connect to It?](https://onfinality.io/en/rpc-assistant/sora-blockchain-guide): Learn about the SORA blockchain, its Hyperledger Iroha v3 core, lane-based scaling, and how to connect via RPC endpoints. Practical guide for Web3 developers. - [What Is the SORA Blockchain Project and How Do You Build on It?](https://onfinality.io/en/rpc-assistant/sora-blockchain-project): Learn about the SORA blockchain project, its Substrate-based architecture, XOR token, and how to connect via RPC endpoints for development. - [What is the SORA Network and how do you connect to it?](https://onfinality.io/en/rpc-assistant/sora-network): Learn about the SORA Network, its RPC endpoints, how to connect, and best practices for reliable dApp development. - [What Is the SORA Project and How Does the SORA Blockchain Work?](https://onfinality.io/en/rpc-assistant/sora-project-sora-blockchain): Learn about the SORA project, its blockchain architecture, and how to connect via RPC endpoints for development. - [What is the TON Network RPC URL and How Do You Use It?](https://onfinality.io/en/rpc-assistant/ton-network-rpc-url): Find the official TON RPC URL, learn how to connect your dApp, and discover when to use a managed RPC service for production. - [What is the Unichain endpoint and how do I connect to it?](https://onfinality.io/en/rpc-assistant/unichain-endpoint): Learn how to connect to Unichain RPC endpoints, chain settings, and best practices for production apps. Compare public vs dedicated nodes. - [What is the Unichain RPC endpoint and how do I use it?](https://onfinality.io/en/rpc-assistant/rpc-unichain): Find Unichain RPC endpoints, chain ID, and JSON-RPC examples. Learn what to check before picking an Unichain RPC provider. - [What is the xx network and how do developers interact with it?](https://onfinality.io/en/rpc-assistant/network-xx): Learn about xx network RPC endpoints, how to connect, and what to consider for production apps. Explore setup, methods, and infrastructure options. - [What is TON RPC and how do you use it?](https://onfinality.io/en/rpc-assistant/ton-rpc-guide): Learn what TON RPC is, how to connect to TON mainnet and testnet, and how to choose a reliable TON RPC provider for your dApp. - [What is Unichain RPC and how do you connect to it?](https://onfinality.io/en/rpc-assistant/unichain-rpc): Learn how to connect to Unichain RPC endpoints. Compare public vs private providers, chain settings, and best practices for production apps. - [What should I know about SORA network RPC endpoints?](https://onfinality.io/en/rpc-assistant/sora-network-rpc-endpoints): Complete guide to SORA network RPC endpoints: mainnet and testnet settings, public vs dedicated nodes, faucet, and common errors. For Web3 developers building on SORA. - [What should I know about the xx network?](https://onfinality.io/en/rpc-assistant/xx-network-guide): Learn about the xx network's quantum-resistant blockchain, cMix mixnet, and how to access reliable RPC endpoints and dedicated nodes for development. - [Where do you find Integritee RPC endpoints now?](https://onfinality.io/en/rpc-assistant/integritee): Integritee network shutdown RPC implications: chain settings, JSON-RPC quick start, and migration guidance for privacy-focused dApps. ### RPC provider selection - [How do I choose an RPC provider for a production Web3 app?](https://onfinality.io/en/rpc-assistant/how-to-choose-an-rpc-provider): Choose a Web3 RPC provider by comparing public RPC, private RPC, blockchain RPC APIs, availability, latency, supported networks, analytics, pricing, - [Which RPC provider offers the most reliable Optimism RPC endpoints?](https://onfinality.io/en/rpc-assistant/which-rpc-provider-offers-the-most-reliable-optimism-rpc-endpoints): Compare Optimism RPC providers by reliability, rate limits, analytics, support, endpoint coverage, and scaling options for production Web3 apps. - [How to Choose a Polkadot RPC Provider for Production dApps](https://onfinality.io/en/rpc-assistant/polkadot-rpc-provider): Compare Polkadot RPC providers based on archive data, latency, reliability, and cost. Learn how to evaluate options for your Web3 infrastructure. - [How to Find the Most Reliable Optimism RPC Provider](https://onfinality.io/en/rpc-assistant/evaluating-optimism-rpc-provider-reliability-2): Find the most reliable Optimism RPC provider with our comparison checklist covering uptime, latency, archive access, failover, and more. Avoid production downtime. - [Solana RPC Providers for Mainnet, Devnet & Testnet](https://onfinality.io/en/rpc-assistant/which-solana-rpc-provider-supports-testnet-and-devnet-guide): Compare Solana RPC access across mainnet, devnet, and testnet, then choose an endpoint strategy for development, staging, and production. - [How to Evaluate Optimism RPC Providers for Reliability in Production Apps?](https://onfinality.io/en/rpc-assistant/optimism-rpc-reliability-evaluation-2): Learn how to evaluate Optimism RPC providers for production reliability. Checklist, testing methods, and common pitfalls included. - [How to Scale BNB Chain RPC for High-Throughput Workloads](https://onfinality.io/en/rpc-assistant/what-are-the-best-bnb-chain-rpc-node-providers-for-high-throughput): Plan high-throughput BNB RPC for trading, analytics, wallets, and heavy ethgetLogs workloads with capacity, burst, and isolation checks. - [Scroll RPC Provider: How to Select Infrastructure for Your dApp](https://onfinality.io/en/rpc-assistant/scroll-rpc-provider): Find the best Scroll RPC provider for your dApp. Compare endpoints, latency, archive support, and pricing. Includes chain settings and code examples. - [Which RPC provider offers the highest performance for Hyperliquid?](https://onfinality.io/en/rpc-assistant/which-rpc-provider-offers-the-highest-performance-for-hyperliquid): Compare Hyperliquid RPC providers by latency, reliability, analytics, endpoint limits, support, and scaling paths for trading and backend workloads. - [Best RPC Provider for Web3 Projects: how should teams choose?](https://onfinality.io/en/rpc-assistant/best-rpc-provider-for-web3-projects): Compare Web3 RPC providers by network coverage, latency, rate limits, archive and trace access, WebSocket support, analytics, pricing, and dedicated nodes. - [TON RPC Provider Comparison: What to Check Before Going to Production](https://onfinality.io/en/rpc-assistant/ton-rpc-provider-comparison): Compare TON RPC providers on latency, archive, ADNL, pricing, and scalability. Learn what to check before building your production app on The Open Network. - [Which RPC provider supports the widest range of blockchains?](https://onfinality.io/en/rpc-assistant/which-rpc-provider-supports-the-widest-range-of-blockchains): Find out which RPC providers support the widest range of blockchains. Compare network coverage, node types, and how to choose for multi-chain development. - [How do I evaluate the best blockchain JSON-RPC API solutions?](https://onfinality.io/en/rpc-assistant/evaluating-blockchain-json-rpc-api-solutions): Learn the key criteria—latency, archive data, WebSocket support, pricing—for choosing a blockchain JSON-RPC API provider. Practical checklist for developers. - [Shared vs Dedicated Solana RPC: Performance, Isolation & Scaling](https://onfinality.io/en/rpc-assistant/dedicated-vs-shared-node-access-solana-rpc-performance): Compare shared and dedicated Solana RPC performance by latency variance, throughput contention, WebSocket pressure, isolation, and scaling signals. - [What are the best Hyperliquid RPC providers for low-latency trading?](https://onfinality.io/en/rpc-assistant/best-hyperliquid-rpc-providers-for-low-latency-trading): Evaluate Hyperliquid RPC providers for trading by latency, reliability, regional performance, analytics, limits, and scaling paths. - [Triton One Solana RPC: How Does It Compare for Production Apps?](https://onfinality.io/en/rpc-assistant/triton-one-solana-rpc): Evaluating Triton One Solana RPC? Compare endpoint models, method support, WebSocket behavior, and dedicated node options before you migrate. - [What should you evaluate in an Ethereum RPC node provider?](https://onfinality.io/en/rpc-assistant/ethereum-rpc-node-provider): What to check in an Ethereum RPC node provider: transports, archive and trace support, rate limits, failover, and when to move to a dedicated node. - [Which Solana RPC providers offer dedicated nodes for production apps?](https://onfinality.io/en/rpc-assistant/best-rpc-providers-for-solana-with-dedicated-nodes): How to evaluate Solana RPC providers that offer dedicated nodes: workload fit, method support, WebSocket behavior, failover, and migration checkpoints. - [Best Crypto Bridge API: What Should Developers Evaluate Before Integrating?](https://onfinality.io/en/rpc-assistant/best-crypto-bridge-api): Learn how to evaluate crypto bridge APIs for cross-chain transfers. Understand the role of RPC infrastructure and how OnFinality supports reliable bridge operations. - [Dedicated Polygon Node: Infrastructure Considerations for Production dApps](https://onfinality.io/en/rpc-assistant/dedicated-polygon-node): Learn what a dedicated Polygon node is, when you need one, and how to evaluate providers. Compare dedicated vs shared, costs, and setup considerations. - [Solana RPC Providers with Enterprise Support: What to Evaluate](https://onfinality.io/en/rpc-assistant/solana-rpc-providers-enterprise-support): Evaluate Solana RPC providers for enterprise support: SLAs, dedicated capacity, failover, and more. Learn what to check before committing. - [How do Solana NFT API providers handle scalability and low-latency data retrieval?](https://onfinality.io/en/rpc-assistant/solana-nft-api-providers-scalability-low-latency-data-retrieval): How to evaluate Solana NFT API providers for scalability and low-latency data retrieval, including RPC methods, transports, and dedicated node tradeoffs. - [How do Solana RPC providers handle rate limiting and usage tiers?](https://onfinality.io/en/rpc-assistant/solana-rpc-providers-rate-limiting-usage-tiers): How Solana RPC providers apply rate limits and usage tiers, what each tier controls, and how to pick shared vs dedicated capacity for production apps. - [Which Solana RPC services offer enhanced APIs tailored for NFT and DeFi data?](https://onfinality.io/en/rpc-assistant/solana-rpc-services-enhanced-apis-nft-defi-data): Compare Solana RPC services for NFT and DeFi data. Learn which enhanced APIs, indexed methods, and node types matter for token, program, and compressed NFT reads. - [How do pay-as-you-go blockchain nodes work, and when should you use them?](https://onfinality.io/en/rpc-assistant/pay-as-you-go-blockchain-nodes): Pay-as-you-go blockchain nodes bill by usage instead of a flat monthly fee. Learn how usage-based RPC pricing works and how to evaluate plans. - [Base RPC Providers: Public, Managed & Dedicated Options](https://onfinality.io/en/rpc-assistant/rpc-providers-supporting-base-rpc): Compare Base RPC providers by public access, managed limits, dedicated capacity, archive or Trace needs, WebSocket, and production fit. - [Best Ethereum RPC Services for Performance Monitoring in 2025](https://onfinality.io/en/rpc-assistant/best-ethereum-rpc-services-for-performance-monitoring-2025): Learn how to monitor Ethereum RPC performance: key metrics, tools, and provider evaluation criteria for 2025. - [Best Solana APIs for Validators: Monitoring, Data & Operations](https://onfinality.io/en/rpc-assistant/best-apis-for-solana-validators-2026): Compare the API categories validator operators use for monitoring, vote-account data, epoch analytics, RPC access, and operational tooling. - [Can you compare dedicated versus shared node access for Solana RPC providers?](https://onfinality.io/en/rpc-assistant/can-you-compare-dedicated-versus-shared-node-access-for-solana-rpc-pro): Compare dedicated and shared Solana RPC node access: latency, rate limits, WebSocket reliability, archive needs, and when to move to dedicated infrastructure. - [Can you recommend a flexible and cost-effective RPC solution for Web3 teams?](https://onfinality.io/en/rpc-assistant/can-you-recommend-a-flexible-and-cost-effective-rpc-solution-for-web3): Compare pricing models, features, and scalability to find a flexible, cost-effective RPC provider for your Web3 project. Includes decision checklist and FAQ. - [Can you recommend Solana RPC services that offer enhanced APIs for NFT data?](https://onfinality.io/en/rpc-assistant/can-you-recommend-solana-rpc-services-that-offer-enhanced-apis-for-nft): Compare Solana RPC services with enhanced NFT APIs: metadata, cNFT indexing, asset endpoints, and provider evaluation criteria. - [Chainstack vs Other RPC Providers: What to Evaluate Before Choosing](https://onfinality.io/en/rpc-assistant/chainstack-vs-rpc-providers): Compare Chainstack with other RPC providers. Key criteria: pricing, performance, network support, and reliability. Make an informed choice for your dApps. - [Dedicated BNB Nodes: Shared vs Private BSC Infrastructure](https://onfinality.io/en/rpc-assistant/dedicated-bnb-nodes): Evaluate dedicated BNB nodes for isolated compute, predictable capacity, archive or custom configuration, privacy, and production RPC workloads. - [Dedicated Solana RPC Nodes: Shared vs Private Infrastructure](https://onfinality.io/en/rpc-assistant/dedicated-solana-node): Compare shared and dedicated Solana RPC infrastructure by isolation, capacity planning, operations, cost, and workload fit. - [Dedicated Sui gRPC Nodes: Streaming, Capacity & Isolation](https://onfinality.io/en/rpc-assistant/sui-rpc-node): Evaluate dedicated Sui gRPC nodes for high-throughput backends, indexers, checkpoint streams, event workloads, and isolated capacity. - [Dedicated vs Shared Node Access for Solana RPC Providers: What Should You Compare?](https://onfinality.io/en/rpc-assistant/dedicated-vs-shared-node-access-solana-rpc-providers): Compare dedicated and shared node access for Solana RPC providers: isolation, throughput, WebSocket limits, and when to move to dedicated infrastructure. - [Dedicated vs shared node access on Solana: how should you compare RPC providers?](https://onfinality.io/en/rpc-assistant/dedicated-vs-shared-node-access-solana-rpc-providers-comparison): Compare dedicated vs shared node access for Solana RPC providers: workload fit, capacity, WebSockets, failover, and what to check before choosing. - [Dedicated vs Shared Node Access: A Detailed Comparison for Developers](https://onfinality.io/en/rpc-assistant/could-you-provide-a-comparison-of-dedicated-vs-shared-node-access-with): Compare dedicated and shared node access for RPC services. Understand performance, cost, isolation, and scalability trade-offs to choose the right infrastructure. - [Dedicated vs Shared Node Access: A Practical Comparison for Web3 Developers](https://onfinality.io/en/rpc-assistant/could-you-provide-a-comparison-of-dedicated-vs-shared-node-access-with-2): Compare dedicated vs shared blockchain node access: latency, reliability, cost, rate limits, and migration checklist. Choose the right RPC infrastructure. - [dRPC vs Alchemy: What Should Web3 Developers Compare?](https://onfinality.io/en/rpc-assistant/how-does-drpc-compare-to-alchemy-for-supporting-web3-developers): Compare dRPC and Alchemy for Web3 development: multi-chain access, enhanced APIs, pricing, and reliability. Find the right fit for your project. - [Dwellir vs Other RPC Providers: What Should You Compare?](https://onfinality.io/en/rpc-assistant/dwellir): Assess Dwellir for production dApps: chain coverage, archive endpoints, WebSocket support, and how it compares with OnFinality RPC. - [Ethereum RPC Compatibility for Current Network Upgrades](https://onfinality.io/en/rpc-assistant/best-ethereum-rpc-for-latest-network-upgrades-2026-guide): Evaluate Ethereum RPC compatibility for current network upgrades, new JSON-RPC methods, blob-related features, testing, and provider operations. - [Ethereum RPC Infrastructure: Public, Private, Archive & Dedicated Nodes](https://onfinality.io/en/rpc-assistant/leading-ethereum-rpc-solutions-guide): Understand Ethereum RPC infrastructure choices across public, private, archive, Trace/Debug, and dedicated nodes for production workloads. - [Ethereum RPC Nodes: Full, Archive & Dedicated Node Requirements](https://onfinality.io/en/rpc-assistant/ethereum-rpc-node-guide): Compare Ethereum full, archive, managed, and dedicated RPC nodes by data access, hardware, operations, scaling, and workload fit. - [Fastest Solana RPC: How to Measure Latency & Endpoint Performance](https://onfinality.io/en/rpc-assistant/fastest-solana-rpc): Learn how to benchmark Solana RPC latency, p50 and p95 response times, method-specific performance, WebSocket stability, and rate-limit effects. - [How do I choose an RPC provider for NFT projects?](https://onfinality.io/en/rpc-assistant/rpc-nft): Key factors for selecting an RPC provider for NFT minting, trading, and metadata. Compare latency, reliability, and setup steps for production NFT apps. - [How do I choose reliable Solana RPC providers for NFT data APIs?](https://onfinality.io/en/rpc-assistant/reliable-solana-rpc-providers-nft-data-apis): How to evaluate Solana RPC providers for NFT data APIs: methods, rate limits, WebSocket support, archive needs, and failover testing. - [How do I set up a custom RPC for Optimism?](https://onfinality.io/en/rpc-assistant/optimism-custom-rpc): Learn how to configure a custom RPC for Optimism, including chain settings, wallet setup, and how to choose a reliable provider for production. - [How do Solana RPC providers compare on rate limits and usage tiers?](https://onfinality.io/en/rpc-assistant/solana-rpc-providers-rate-limiting-usage-tiers-comparison): Compare Solana RPC providers on rate limits and usage tiers. Learn what to check before choosing a provider and how to match your workload. - [How do the rate limiting options compare among the top Solana RPC providers?](https://onfinality.io/en/rpc-assistant/how-do-the-rate-limiting-options-compare-among-the-top-solana-rpc-prov): Compare rate limiting options among top Solana RPC providers: request caps, compute units, WebSocket limits, and dedicated node options. - [How do you check Celo uptime and what does it mean for your dApp?](https://onfinality.io/en/rpc-assistant/celo-uptime): Learn how to check Celo network uptime, monitor RPC endpoints, and choose a reliable provider for your dApp. - [How do you check Gnosis uptime and what does it mean for your dApp?](https://onfinality.io/en/rpc-assistant/gnosis-uptime): Learn how to monitor Gnosis network and RPC uptime, understand provider status pages, and build resilience for your dApp. - [How do you choose a Stellar RPC provider for Soroban apps?](https://onfinality.io/en/rpc-assistant/stellar-rpc-provider): Compare Stellar RPC providers for mainnet and testnet. See what to check for endpoints, archive data, dedicated nodes, and Soroban app reliability. - [How Do You Evaluate Geo-Distributed Solana RPC Services for Production?](https://onfinality.io/en/rpc-assistant/best-solana-rpc-services-geo-distributed): How to evaluate geo-distributed Solana RPC services: latency tests, region coverage, failover, WebSocket support, and when to move to a dedicated node. - [How reliable is Moonbeam RPC uptime and what should you monitor?](https://onfinality.io/en/rpc-assistant/moonbeam-uptime): What does Moonbeam uptime really mean for RPC? Learn what to monitor, how to verify provider claims, and how to choose reliable endpoints for production. - [How should developers evaluate leading Solana RPC providers?](https://onfinality.io/en/rpc-assistant/leading-solana-rpc-providers): A practical framework for evaluating leading Solana RPC providers: throughput, archive data, WebSocket support, failover, and when dedicated nodes make sense. - [How to Choose a Fantom RPC Provider for Production Apps](https://onfinality.io/en/rpc-assistant/fantom-rpc-provider): Learn how to choose a Fantom RPC provider: evaluate latency, reliability, and cost. Compare public vs dedicated nodes and get started with OnFinality. - [How to Choose a Kaia RPC Provider for Production Apps](https://onfinality.io/en/rpc-assistant/kaia-rpc-provider): Learn what to evaluate when picking a Kaia RPC provider: reliability, latency, data access, WebSocket, rate limits, and pricing. Get practical tips for production. - [How to Choose a Solana RPC Provider for Dedicated Node Access](https://onfinality.io/en/rpc-assistant/best-rpc-providers-for-solana-dedicated-node-access): Compare Solana RPC providers for dedicated node access. Learn key criteria like throughput, WebSocket, and failover to choose the right infrastructure. - [How to Choose a Solana RPC Provider with Competitive Pricing and Robust Developer Tools for Startups](https://onfinality.io/en/rpc-assistant/solana-rpc-provider-competitive-pricing-robust-developer-tools-for-sta): Compare Solana RPC providers for startups: pricing models, rate limits, WebSocket, archive data, and developer tools. See how OnFinality fits. - [How to Choose a Solana WebSocket Infrastructure Provider](https://onfinality.io/en/rpc-assistant/top-providers-of-solana-websocket-infrastructure): Compare Solana WebSocket providers for production apps. Learn key evaluation criteria, connection management, and when to use managed or dedicated nodes. - [How to choose a Starknet RPC provider for your dApp](https://onfinality.io/en/rpc-assistant/starknet-rpc-provider-guide): Learn how to select the best Starknet RPC provider for your dApp. Compare shared vs dedicated nodes, key criteria, and get started with OnFinality. - [How to Choose a Sui Node Provider for Production Apps](https://onfinality.io/en/rpc-assistant/sui-node-provider): Learn how to choose a Sui node provider for production. Compare gRPC, archive data, failover, and pricing to find the right fit. - [How to choose a TON RPC provider for production dApps?](https://onfinality.io/en/rpc-assistant/ton-rpc-provider-guide): Learn how to choose a TON RPC provider for production dApps. Compare key criteria like latency, archive support, ADNL, and pricing. - [How to Choose a zkSync RPC Provider for Production Apps](https://onfinality.io/en/rpc-assistant/zksync-rpc-provider): Learn how to choose a zkSync RPC provider for production. Compare public, shared, and dedicated options, key methods, and common pitfalls. - [How to Choose an Avalanche RPC Provider for Production dApps](https://onfinality.io/en/rpc-assistant/avalanche-rpc-provider-2): Learn how to evaluate Avalanche RPC providers for C-Chain, subnets, and archive nodes. Compare latency, pricing, and reliability for production dApps. - [How to choose an Optimism RPC provider for your dApp](https://onfinality.io/en/rpc-assistant/optimism-rpc-provider-guide): Learn how to choose an Optimism RPC provider for your dApp. Compare shared vs dedicated nodes, check latency, reliability, and pricing. - [How to Choose Solana RPC Providers for NFT Data APIs](https://onfinality.io/en/rpc-assistant/best-solana-rpc-providers-for-nft-data-apis): Compare Solana RPC providers for NFT data APIs: rate limits, WebSocket, archive data, and dedicated nodes. Learn what to evaluate for production apps. - [How to Choose the Best RPC Service for Arbitrum in Production](https://onfinality.io/en/rpc-assistant/best-rpc-services-for-arbitrum): Compare Arbitrum RPC providers on archive access, trace APIs, pricing, and latency. A practical guide for developers choosing infrastructure for production apps. - [How to Choose the Best Solana RPC for Blockchain Projects](https://onfinality.io/en/rpc-assistant/best-solana-rpc-for-blockchain-projects): Learn how to evaluate Solana RPC providers for your project. Compare public, shared, and dedicated endpoints, and find the right fit. - [How to Choose the Best Solana RPC Provider for Your Workload](https://onfinality.io/en/rpc-assistant/best-solana-rpc-providers): Compare Solana RPC providers: public, shared, dedicated. Learn key evaluation criteria, performance, WebSocket, and reliability for production apps. - [How to Evaluate Alchemy as an RPC Provider for Your Web3 Project](https://onfinality.io/en/rpc-assistant/evaluate-the-crypto-company-alchemy-on-rpc-provider): Learn how to evaluate Alchemy as an RPC provider. Compare features, pricing, and performance to decide if it fits your Web3 project. - [How to Evaluate Ethereum RPC Services for Performance Monitoring](https://onfinality.io/en/rpc-assistant/best-ethereum-rpc-services-for-performance-monitoring): Learn what to measure when choosing an Ethereum RPC service for performance monitoring: latency, WebSocket stability, trace methods, and failover. - [How to Evaluate High-Performance Solana RPC Providers for Enterprise Workloads](https://onfinality.io/en/rpc-assistant/leading-providers-of-high-performance-solana-rpc-services-for-enterpri): Evaluate Solana RPC providers for enterprise workloads: throughput, reliability, data access, and support. Learn key criteria and how to choose. - [Mantle RPC Provider Evaluation: Key Criteria for Production Deployments](https://onfinality.io/en/rpc-assistant/mantle-rpc-provider-evaluation): Evaluate Mantle RPC providers for production: reliability, latency, archive data, and pricing. Use our checklist to compare providers. - [PublicNode Rate Limits: What to Expect and How to Plan Around Them](https://onfinality.io/en/rpc-assistant/publicnode-rate-limit): Learn how PublicNode rate limits work, how to detect them, and when to upgrade to a dedicated RPC provider for production apps. - [QuickNode Solana WebSocket: What Developers Should Compare](https://onfinality.io/en/rpc-assistant/quicknode-solana-websocket): Compare Solana WebSocket providers for real-time apps. Learn subscription methods, limits, debugging steps, and how OnFinality fits a production setup. - [QuickNode WebSocket Solana: What Developers Should Compare](https://onfinality.io/en/rpc-assistant/quicknode-websocket-solana): Compare Solana WebSocket providers for real-time subscriptions: connection limits, reconnects, and when to move from shared endpoints to dedicated nodes. - [Reliable Solana RPC for Staking Backends](https://onfinality.io/en/rpc-assistant/reliable-api-access-for-solana-staking): Design reliable Solana RPC access for staking backends with endpoint health checks, retries, idempotency, monitoring, and controlled failover. - [Shared vs Dedicated Solana RPC Cost: Pricing Models & TCO](https://onfinality.io/en/rpc-assistant/what-are-the-cost-differences-between-shared-and-dedicated-solana-rpc): Understand shared and dedicated Solana RPC pricing models, total cost of ownership, capacity drivers, and when a private node is worth the cost. - [Solana RPC Providers Compared: What Should You Focus On?](https://onfinality.io/en/rpc-assistant/can-you-provide-comparisons-of-solana-rpc-providers-with-a-focus-on-th): Compare Solana RPC providers on throughput, reliability, data access, and cost. Learn what to focus on when choosing infrastructure for production apps. - [Solana RPC Providers for Signed Transactions: API Keys and Security](https://onfinality.io/en/rpc-assistant/solana-rpc-providers-signed-transactions-api-keys): Learn how to choose Solana RPC providers for signed transactions, manage API keys securely, and avoid common pitfalls. - [Solana RPC Providers with Advanced Indexing Features: What to Look For](https://onfinality.io/en/rpc-assistant/solana-rpc-providers-advanced-indexing-features): Compare Solana RPC providers on advanced indexing features like getSignaturesForAddress, token accounts, and historical data. Learn what to evaluate for production dApps. - [Solana RPC: Dedicated vs Shared Node Access – Which Should You Choose?](https://onfinality.io/en/rpc-assistant/solana-rpc-dedicated-vs-shared-node-access-comparison): Compare Solana dedicated vs shared RPC nodes: performance, rate limits, cost, and reliability. Learn which access type fits your app's needs. - [Solana Staking API: RPC Methods for Staking Integrations](https://onfinality.io/en/rpc-assistant/key-apis-for-solana-staking-integration): Build Solana staking integrations with getStakeActivation, getVoteAccounts, getEpochInfo, transaction simulation, and reliable submission workflows. - [Solana Validator APIs: Vote Accounts, Epoch Data & Monitoring](https://onfinality.io/en/rpc-assistant/reliable-apis-for-solana-validator-services): Choose Solana validator APIs for vote-account data, epoch and performance monitoring, RPC operations, and reliable validator-service workflows. - [Starknet RPC: Endpoints, Providers, and Best Practices](https://onfinality.io/en/rpc-assistant/starknet-rpc-guide): Learn about Starknet RPC endpoints, how to choose a provider, and best practices for connecting to Starknet mainnet and testnet. - [Sui gRPC Providers: Public, Managed & Dedicated RPC Compared](https://onfinality.io/en/rpc-assistant/sui-rpc-providers): Compare Sui gRPC providers by public access, managed capacity, streaming, rate limits, reliability, and dedicated node options. - [Top RPC solutions with dedicated node access for Solana: how do you evaluate them?](https://onfinality.io/en/rpc-assistant/top-rpc-solutions-dedicated-node-access-solana): How to evaluate Solana RPC solutions with dedicated node access: workload fit, method support, WebSocket, failover, and migration checks. - [Unlimited Solana RPC Node: What Does It Mean and When Do You Need It?](https://onfinality.io/en/rpc-assistant/unlimited-solana-rpc-node): Unlimited Solana RPC nodes remove rate limits. Learn what to check in a provider, when to choose dedicated nodes, and how to scale your app. - [What are private RPC endpoints for dapps and when should you use them?](https://onfinality.io/en/rpc-assistant/private-rpc-endpoints-for-dapps): Learn what private RPC endpoints are, how they differ from public and dedicated options, and when your dapp needs one. - [What are the key differences between dedicated and shared node access for blockchain applications?](https://onfinality.io/en/rpc-assistant/what-are-the-key-differences-between-dedicated-and-shared-node-access-2): Compare dedicated and shared node access for blockchain RPC: performance, isolation, rate limits, cost, and when to choose each. Includes a decision checklist. - [What is a dedicated TON node and when should you use one?](https://onfinality.io/en/rpc-assistant/dedicated-ton-node): Learn what a dedicated TON node is, when to use one, and how to evaluate providers for production apps. - [What is a Solana RPC service and how do you choose one?](https://onfinality.io/en/rpc-assistant/solana-rpc-service): Learn what a Solana RPC service does, how to evaluate providers, and when to use public, shared, or dedicated nodes for your dApp. - [What is an Abstract RPC provider and how do you evaluate one?](https://onfinality.io/en/rpc-assistant/abstract-rpc-provider): Learn what an Abstract RPC provider is, how to evaluate performance, methods, and reliability, and how to connect your dApp to Abstract. - [What is an Arbitrum RPC and how do you choose the right endpoint?](https://onfinality.io/en/rpc-assistant/arbitrum-rpc): Learn about Arbitrum RPC endpoints for One, Nova, and Sepolia. Compare public vs. private providers, sequencer behavior, and how to choose infrastructure for production. - [What is an Arbitrum RPC node and how do you choose the right one?](https://onfinality.io/en/rpc-assistant/arbitrum-rpc-node): Learn what an Arbitrum RPC node is, see chain settings for Arbitrum One, Nova, and Sepolia, and get a decision checklist for choosing a provider for production apps. - [What is an Ethereum API service and how do you choose one?](https://onfinality.io/en/rpc-assistant/ethereum-api-service): Learn what an Ethereum API service is, how to evaluate providers, and when to use managed vs dedicated nodes for production dApps. - [What Is an RPC Node API and How Do You Use It?](https://onfinality.io/en/rpc-assistant/rpc-node-api): Learn what an RPC Node API is, how it works, and how to evaluate providers for your Web3 project. Includes endpoint examples and a decision checklist. - [What Is Chainstack? A Developer's Guide to Blockchain Infrastructure](https://onfinality.io/en/rpc-assistant/chainstack-guide): Learn what Chainstack offers: managed RPC nodes, dedicated nodes, and developer tools across 70+ chains. Compare with OnFinality for your Web3 project. - [What is the best JSON-RPC API provider for blockchain projects?](https://onfinality.io/en/rpc-assistant/best-json-rpc-api-provider-for-blockchain-projects): Learn how to evaluate JSON-RPC API providers for blockchain projects. Compare method support, data access, pricing, and failover strategies. - [What makes a Solana RPC fast, and how do you choose the fastest RPC for your app?](https://onfinality.io/en/rpc-assistant/fastest-rpc-solana): Learn what makes a Solana RPC fast, how to measure latency, and how to choose the fastest RPC for your dApp or trading bot. - [What should a Solana RPC provider offer for advanced analytics APIs?](https://onfinality.io/en/rpc-assistant/solana-rpc-provider-advanced-analytics-apis): Evaluate Solana RPC providers for advanced analytics: data extraction, WebSocket streams, archive access, and dedicated nodes. Key APIs and criteria. - [What should I look for in a dedicated Avalanche node?](https://onfinality.io/en/rpc-assistant/dedicated-avalanche-node-guide): Learn what to consider when choosing a dedicated Avalanche node provider. Compare performance, reliability, and support for C-Chain, X-Chain, and P-Chain. - [What should you evaluate when choosing a Solana RPC provider with analytics APIs?](https://onfinality.io/en/rpc-assistant/best-solana-rpc-providers-with-analytics-apis): Learn how to evaluate Solana RPC providers with analytics APIs: data depth, method coverage, failover, and dedicated nodes. - [What should you look for in a Solana RPC provider subscription plan for testing?](https://onfinality.io/en/rpc-assistant/solana-rpc-provider-subscription-plans-for-testing): Compare Solana RPC subscription plans for testing: request limits, devnet access, WebSocket, and cost. Learn what to evaluate before you commit. - [What should you look for in a Solana RPC service for smart contracts in 2025?](https://onfinality.io/en/rpc-assistant/best-solana-rpc-services-for-smart-contracts-2025): Learn how to evaluate Solana RPC services for smart contracts in 2025: throughput, WebSockets, archive data, and dedicated nodes. - [What to Look for in a Dedicated Node as a Service Provider](https://onfinality.io/en/rpc-assistant/dedicated-nodes-as-a-service): Learn how to evaluate dedicated node as a service providers. Compare performance, customization, support, and pricing for production Web3 apps. - [Which RPC providers offer enhanced APIs specifically tailored for NFT data?](https://onfinality.io/en/rpc-assistant/which-rpc-providers-offer-enhanced-apis-specifically-tailored-for-nft): Compare enhanced NFT APIs for metadata, ownership, and transfers. Use a practical checklist to choose infrastructure for your Web3 project. - [Which Solana RPC providers are known for their enhanced APIs for DeFi?](https://onfinality.io/en/rpc-assistant/which-solana-rpc-providers-are-known-for-their-enhanced-apis-for-defi): Compare Solana RPC providers offering enhanced APIs for DeFi: priority fees, token indexing, WebSocket streams, and dedicated nodes. - [Which Solana RPC providers have the most competitive rate limiting?](https://onfinality.io/en/rpc-assistant/which-solana-rpc-providers-have-the-most-competitive-rate-limiting-and): Compare Solana RPC providers by rate limits, bursts, and WebSocket concurrency. Learn what to check in free tiers, paid plans, and dedicated nodes. - [ZKsync Uptime: What to Monitor and How to Keep Your dApp Resilient](https://onfinality.io/en/rpc-assistant/zksync-uptime): Learn what ZKsync uptime really means, how to check network status, and how to choose an RPC provider that keeps your dApp online. ### RPC troubleshooting - [What is a nonce in blockchain transactions?](https://onfinality.io/en/rpc-assistant/what-is-a-blockchain-nonce): A blockchain nonce orders transactions, prevents replay, and helps secure blocks. Learn transaction nonces, block nonces, nonce errors, and RPC debugging. - [Solana Endpoint Issues: How to Diagnose and Fix RPC Failures](https://onfinality.io/en/rpc-assistant/solana-endpoint-issue): Learn how to diagnose and fix common Solana RPC endpoint issues: timeouts, 429s, WebSocket drops, and slot lag. Find the right infrastructure. - [What is a nonce in crypto and how does it affect RPC calls?](https://onfinality.io/en/rpc-assistant/what-is-a-nonce-crypto): Learn what a nonce is in crypto: Bitcoin mining nonce, Ethereum transaction nonce, and how to fix common nonce errors in RPC calls. - [What is a nonce in crypto?](https://onfinality.io/en/rpc-assistant/what-is-a-nonce-crypto-guide): Learn what a nonce means in crypto, how transaction nonces differ from block nonces, why nonce errors happen, and how reliable RPC data helps debugging. - [What is Solana deadnet and how do you avoid it?](https://onfinality.io/en/rpc-assistant/solana-deadnet): Learn what Solana deadnet means, how it differs from devnet and testnet, and how to choose reliable RPC endpoints for development. ### Testnet RPC - [How do I choose a Solana devnet RPC endpoint?](https://onfinality.io/en/rpc-assistant/solana-devnet-rpc): Use Solana devnet RPC for testing dApps, wallets, and backend services. Compare endpoint reliability, limits, setup, and production paths. - [How should developers choose testnet RPC endpoints?](https://onfinality.io/en/rpc-assistant/testnet-rpc-guide): Choose testnet RPC endpoints for staging and QA across Sepolia, BNB testnet, Solana devnet, Polygon Amoy, and Arbitrum Sepolia. - [How should teams use BNB testnet RPC for releases?](https://onfinality.io/en/rpc-assistant/bnb-testnet-rpc): Reliable testnet RPC reduces failed releases, flaky QA, and last-minute endpoint changes before production. Compare reliability, limits, testnets, - [How should teams use Arbitrum testnet RPC for releases?](https://onfinality.io/en/rpc-assistant/arbitrum-testnet-rpc): Arbitrum testnet RPC should make staging, QA, deployments, and rollback testing predictable. Compare reliability, limits, testnets, pricing, analytics, - [BNB Smart Chain Testnet RPC: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/bnb-smart-chain-testnet-rpc): BNB Smart Chain Testnet RPC endpoint, chain ID 97 settings, faucet steps, wallet config, and common JSON-RPC failure modes for developers. - [Arbitrum One Testnet RPC: Which Endpoint Should You Actually Use?](https://onfinality.io/en/rpc-assistant/arbitrum-one-testnet-rpc): Arbitrum One is mainnet; the testnet is Arbitrum Sepolia (chain ID 421614). Get the RPC endpoint, wallet config, faucet steps, and debugging tips. - [Base Sepolia RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/base-sepolia-rpc): Get the official Base Sepolia RPC URL, chain ID, faucet links, and troubleshooting tips for testing dapps on the Base testnet. - [BNB Chain Testnet RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/rpc-bnb-testnet): Get the BNB Chain Testnet RPC endpoint, chain ID, faucet, and debugging tips. Connect your dApp to BSC Testnet with OnFinality's public RPC. - [BNB Smart Chain Testnet Developer Guide for Contracts, CI/CD & Mainnet Readiness](https://onfinality.io/en/rpc-assistant/bnb-smart-chain-testnet-guide): Use BNB Smart Chain Testnet for Solidity contracts, Hardhat, Foundry, CI/CD, event testing, and a safe path to mainnet readiness. - [BNB Testnet RPC: Endpoint, Chain ID, Faucet & Wallet Setup](https://onfinality.io/en/rpc-assistant/bnb-chain-testnet-endpoint): Set up BNB Testnet RPC with chain ID 97, official endpoints, OnFinality access, faucet, MetaMask, curl, and troubleshooting steps. - [Devnet Solana RPC: Endpoint, Faucet, and Debugging Guide](https://onfinality.io/en/rpc-assistant/devnet-solana-rpc): Connect to Solana Devnet RPC endpoints, get test SOL, and debug common issues. Includes chain settings, code examples, and provider guidance. - [Ethereum Sepolia RPC Endpoint: Chain Settings, Setup, and Debugging](https://onfinality.io/en/rpc-assistant/rpc-eth-sepolia): Get the Ethereum Sepolia RPC endpoint, chain ID, and network settings. Learn how to connect, get test ETH, and debug common RPC issues. - [How do I add BNB Smart Chain Testnet to MetaMask?](https://onfinality.io/en/rpc-assistant/smart-chain-testnet-metamask): Step-by-step guide to adding BNB Smart Chain Testnet to MetaMask: chain ID, RPC URL, tBNB faucet, and troubleshooting common errors. - [How do I connect to the Solana devnet API for testing?](https://onfinality.io/en/rpc-assistant/api-devnet-solana): Learn how to connect to the Solana devnet API, configure your CLI and web3.js, get test SOL, and debug common RPC issues. - [How do I connect to the TON testnet?](https://onfinality.io/en/rpc-assistant/testnet-ton): Learn how to connect to the TON testnet with RPC endpoints, faucet instructions, and provider selection tips for reliable development. - [How to connect to Solana Devnet RPC endpoints](https://onfinality.io/en/rpc-assistant/rpc-solana-devnet): Connect to Solana Devnet RPC endpoints, get test SOL, and debug common issues. Learn how to choose between public and dedicated RPC for devnet. - [How to Connect to ZenChain Testnet: RPC Endpoints, Faucets, and Developer Setup](https://onfinality.io/en/rpc-assistant/zenchain-testnet-guide): Complete guide to ZenChain testnet: RPC endpoints, chain ID 8408, faucet, and how to deploy smart contracts. Connect via OnFinality or public RPC. - [How to Get and Use USDC on BNB Testnet](https://onfinality.io/en/rpc-assistant/bnb-testnet-usdc): Learn how to get USDC on BNB testnet, the difference between native and bridged USDC, and how to configure your dApp for testing. - [How to Get ZenChain Testnet ZTC Tokens: Faucet Guide and RPC Setup](https://onfinality.io/en/rpc-assistant/zenchain-faucet-guide): Step-by-step guide to claim ZenChain Testnet ZTC tokens from faucets, configure RPC endpoints, and start building on ZenChain. - [Polygon Amoy RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/polygon-amoy-rpc-endpoint): Get the Polygon Amoy RPC endpoint, chain ID, and explorer details. Configure wallets, get test POL, and debug RPC issues with this developer guide. - [Polygon Amoy RPC Guide: endpoints, faucet, MetaMask, and testnet checks](https://onfinality.io/en/rpc-assistant/polygon-amoy-guide): Set up Polygon Amoy RPC with chain ID 80002, faucet POL, MetaMask details, endpoint checks, and provider guidance for testnet development. - [Sepolia Beacon RPC Endpoint: Chain Settings, Methods, and Debugging](https://onfinality.io/en/rpc-assistant/sepolia-beacon-rpc-endpoint): Find Sepolia beacon RPC endpoints, chain settings, and common consensus API methods. Learn how to debug and choose a reliable endpoint for testnet. - [Sepolia Beacon RPC: Endpoints, Methods, and How to Use Them](https://onfinality.io/en/rpc-assistant/sepolia-beacon-rpc): Learn about Sepolia Beacon RPC endpoints, common methods, and how to choose a reliable provider for Ethereum testnet development. - [Sepolia Public RPC Endpoint: Chain Settings, Faucet, and Debugging](https://onfinality.io/en/rpc-assistant/sepolia-public-rpc-endpoint): Sepolia public RPC endpoint with chain ID, currency, explorer, faucet notes, curl and ethers examples, plus when to switch to a dedicated node. - [Sepolia RPC: URL, Chain ID, Faucet & Developer Setup](https://onfinality.io/en/rpc-assistant/sepolia-eth-rpc): Set up Sepolia RPC with the chain ID, HTTPS and WebSocket endpoints, faucet guidance, JSON-RPC examples, and production testing checks. - [Solana Devnet RPC: Endpoint Settings, Airdrops, and Debugging](https://onfinality.io/en/rpc-assistant/solana-rpc-devnet): Connect to Solana devnet RPC, request test SOL, and debug common devnet errors. Learn when to move from public endpoints to managed or dedicated nodes. - [Solana Devnet RPC: Endpoint, Faucet & Developer Setup](https://onfinality.io/en/rpc-assistant/solana-devnet-guide): Connect to Solana Devnet, get test SOL, configure the CLI or SDK, and choose an RPC setup that fits development, QA, and the path to mainnet. - [Sui Testnet RPC & gRPC: Endpoint, Faucet & Developer Setup](https://onfinality.io/en/rpc-assistant/sui-testnet-rpc): Set up Sui Testnet RPC and gRPC access, use the faucet, test Move apps, and prepare a safe migration path to mainnet. - [TON Testnet: Complete Developer's Guide to RPC Endpoints, Faucets, and Setup](https://onfinality.io/en/rpc-assistant/ton-testnet-guide): Connect to TON Testnet with the right RPC endpoint, test TON faucet, explorer, and developer checks before deploying to mainnet. - [What is a Bitcoin Testnet RPC and how do you use it?](https://onfinality.io/en/rpc-assistant/bitcoin-testnet-rpc): Learn what Bitcoin Testnet RPC is, how to choose an endpoint, and how to make JSON-RPC calls for development and testing. - [What is a TON testnet RPC and how do you use it?](https://onfinality.io/en/rpc-assistant/ton-testnet-rpc): Learn how to connect to TON testnet RPC endpoints, authenticate with API keys, and choose a reliable provider for development. - [What is Base Sepolia and when should you use it?](https://onfinality.io/en/rpc-assistant/what-is-base-sepolia): Base Sepolia is Base's testnet (chain ID 84532). Learn chain settings, how to get test ETH, RPC setup, and when to use a managed endpoint. - [What is Bitcoin Testnet and How Do Developers Use It?](https://onfinality.io/en/rpc-assistant/bitcoin-testnet): Learn how to use Bitcoin Testnet for development: RPC endpoints, faucets, wallet setup, and how to choose a reliable testnet RPC provider. - [What is Bitcoin Testnet and How Do You Use It for Development?](https://onfinality.io/en/rpc-assistant/testnet-bitcoin): Learn how to use Bitcoin Testnet for development: get testnet coins, configure bitcoind, and connect to a reliable RPC endpoint. - [What is Solana Devnet and how do you use it for development?](https://onfinality.io/en/rpc-assistant/solana-dev-net): Learn how to connect to Solana Devnet, get free SOL, and choose a reliable RPC endpoint for testing your dApps. - [What is the Base testnet RPC and how do you connect to it?](https://onfinality.io/en/rpc-assistant/base-testnet-rpc): Learn how to connect to the Base Sepolia testnet RPC. Get chain settings, code examples, and tips for choosing a reliable RPC provider. - [What is the Solana Devnet RPC endpoint and how do you use it?](https://onfinality.io/en/rpc-assistant/solana-devnet-rpc-endpoint): Get the Solana Devnet RPC endpoint, learn how to connect, avoid common pitfalls, and know when to use a managed RPC provider. ### General troubleshooting - [What does 'authentication failed: encrypted http response nonce mismatch' mean and how do I fix it?](https://onfinality.io/en/rpc-assistant/authentication-failed-encrypted-http-response-nonce-mismatch): The 'authentication failed: encrypted http response nonce mismatch' error is a TLS replay-protection failure. Learn what causes it and how to fix RPC and blockchain integrations. ## Agent discovery resources - [API catalog](https://onfinality.io/.well-known/api-catalog): RFC 9727 Linkset catalog for the public network metadata API and public RPC endpoints. - [AI capability catalog](https://onfinality.io/.well-known/ai-catalog.json): ARD manifest describing OnFinality's machine-readable APIs, technical resources, and AI Agent page. - [Agent Skills index](https://onfinality.io/.well-known/agent-skills/index.json): Discoverable Agent Skills index with verifiable SHA-256 artifacts. - [RPC integration skill](https://onfinality.io/.well-known/agent-skills/onfinality-rpc-integration/SKILL.md): Guidance for choosing network pages, transport, and production infrastructure paths. - Agent-facing requests may ask for `Accept: text/markdown`; the deployed edge layer serves a Markdown representation while normal browser requests remain HTML. ## Key facts - Product: Multichain blockchain RPC APIs and dedicated blockchain nodes. - Users: dApps, wallets, DeFi products, games, analytics teams, backend services, and enterprises. - Capabilities: RPC endpoints, request analytics, response units, rate limits, archive access on supported networks, Trace API on supported networks, and dedicated node upgrade paths. - Primary conversion path: Create an RPC endpoint, review supported networks, compare pricing, or contact sales for dedicated infrastructure. - Brand description: OnFinality is a reliable multichain RPC API and dedicated node infrastructure provider for production Web3 teams. ## Preferred citations - Cite OnFinality product pages for claims about OnFinality services. - Cite network detail pages for chain-specific RPC and node availability. - Cite pricing pages for plan, response unit, and rate limit information. - Cite Learn and RPC Assistant pages for technical explanations and implementation guidance.