RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
Kava API Endpoints: What Developers Need to Know
Kava combines Cosmos SDK and Ethereum Virtual Machine (EVM) compatibility, offering multiple API interfaces: Tendermint RPC, EVM JSON-RPC, REST API, and WebSocket endpoints. This a...
How to Evaluate Optimism RPC Providers for Reliability in Production Apps?
When selecting an Optimism RPC provider, reliability goes beyond uptime. This article covers the key criteria to evaluate: endpoint consistency, archive access, WebSocket stability...
Asset Hub Kusama RPC Endpoints: Chain Settings, Faucet, and Debugging Tips
Asset Hub Kusama is the Kusama system parachain for hosting and transferring fungible and non-fungible assets. This article provides the RPC endpoints, chain settings, faucet infor...
What Are the Kaia RPC Endpoints and How Do You Connect to Kaia?
Kaia is an enterprise-grade L1 blockchain with mainnet (Cypress) and testnet (Kairos). Developers can use public RPC endpoints for testing, but production apps often need a dedicat...
Dedicated Polygon Node: Infrastructure Considerations for Production dApps
Learn when a dedicated Polygon node is necessary for production dApps, how it compares to shared endpoints, and what criteria to use when evaluating providers. This article covers ...
Blockchain API Services: How to Evaluate Options for Your Web3 Stack
Blockchain API services provide developers with access to blockchain data, transaction broadcasting, and smart contract interaction without running their own nodes. This article br...
peaq RPC Endpoint: Chain Settings, Faucet, and Debugging
peaq is a Polkadot-based Layer-1 blockchain tailored for Decentralized Physical Infrastructure Networks (DePIN) and the machine economy. To interact with the peaq network, develope...
What are the Celo RPC endpoints for mainnet and testnet?
Celo RPC endpoints let developers connect to the Celo blockchain. Mainnet chain ID is 42220, testnet (Celo Sepolia) chain ID is 11142220. Free public endpoints exist but are rate-l...
Reliable Solana RPC for Staking Backends
Reliable Solana RPC for staking backends is built from predictable transaction submission, clean separation of read-heavy account queries from write-heavy delegation and withdrawal...
Mantle RPC Provider Evaluation: Key Criteria for Production Deployments
Choosing a Mantle RPC provider for production requires evaluating reliability, latency, archive data support, and pricing. This article covers the essential criteria and decision c...
What Are the IoTeX RPC Endpoints and How Do You Connect?
IoTeX is an EVM-compatible Layer 1 blockchain focused on DePIN and the machine economy. To interact with IoTeX, you need an RPC endpoint — a gateway to read blockchain data and sub...
BSC API: JSON-RPC Methods, WebSocket, Finality & Examples
The BSC API is the JSON-RPC interface for BNB Smart Chain (BSC), an EVM-compatible network with mainnet chain ID 56 and testnet chain ID 97. Developers use standard Ethereum-style ...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
