RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
How to Choose the Best RPC Service for Arbitrum in Production
Choosing the right RPC service for Arbitrum is critical for DeFi apps, trading bots, and analytics platforms. This article covers the key evaluation criteria: archive node access, ...
Asset Hub Migration: What Developers Need to Know About the Polkadot Relay Chain Transition
The Asset Hub migration moves core Polkadot functions—balances, staking, governance—from the Relay Chain to the Asset Hub system parachain. This guide explains the migration's impa...
Astar RPC Endpoints: Chain Settings, Public Nodes, and Production Considerations
Astar is a Polkadot parachain that offers EVM and Wasm smart contract support. This page lists public and provider-hosted Astar RPC endpoints, chain configuration details, and guid...
What is an Arbitrum RPC and how do you choose the right endpoint?
An Arbitrum RPC endpoint is the gateway for dApps, wallets, and indexers to communicate with Arbitrum One, Nova, or testnets. This article covers chain settings, public vs. private...
Base Sepolia RPC Endpoint: Chain Settings, Faucet, and Debugging
Base Sepolia is a testnet for the Base L2 network, built on the OP Stack and using Sepolia ETH. This page provides the official RPC endpoints, chain configuration, faucet links, an...
What is Bitcoin Testnet and How Do Developers Use It?
Bitcoin Testnet is a public blockchain that mirrors Bitcoin mainnet but uses test coins with no real value. Developers use it to experiment with transactions, wallets, and smart co...
What does 'authentication failed: encrypted http response nonce mismatch' mean and how do I fix it?
The 'authentication failed: encrypted http response nonce mismatch' error is a TLS-layer replay protection failure. It occurs when the nonce value in an encrypted HTTP response doe...
Which RPC providers offer enhanced APIs specifically tailored for NFT data?
Several RPC providers now offer enhanced APIs that simplify NFT data access—including metadata, ownership, transfers, and spam filtering—without requiring custom indexing. These AP...
What Are TON Nodes and When Should You Run One?
TON nodes are software clients that store the full state of The Open Network blockchain, validate transactions, and serve data to applications. Running your own node gives you dire...
What is Gnosis Chain RPC and how do you choose the right endpoint?
Gnosis Chain RPC endpoints allow developers to interact with the Gnosis Chain network via JSON-RPC calls. This article explains chain settings, how to evaluate providers, and commo...
What is an Arbitrum RPC node and how do you choose the right one?
An Arbitrum RPC node is an endpoint that lets your dApp read and write data on Arbitrum One, Nova, or Sepolia testnet. Choosing the right node provider means evaluating throughput ...
Can you recommend a flexible and cost-effective RPC solution for Web3 teams?
Choosing an RPC provider that balances flexibility and cost is critical for Web3 teams scaling from prototype to production. This article outlines the key factors to evaluate—prici...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
