RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
Fantom Node: What Is It and How Do You Connect to Fantom Opera?
A Fantom node is a client that maintains the Fantom Opera blockchain state and serves JSON-RPC requests. You can run your own node or use a managed RPC service. This article explai...
Sui Mainnet RPC: How to Connect and What to Check
Learn how to connect to Sui Mainnet RPC endpoints, understand the JSON-RPC methods, and evaluate infrastructure options for production apps. This guide covers chain settings, reque...
How to Set Up a Custom Sui RPC Endpoint for Your dApp
Learn how to configure a custom Sui RPC endpoint for your dApp, whether you're using the public endpoint, a managed provider like OnFinality, or your own node. This guide covers en...
What is an RPC for Solana and how do you choose the right endpoint?
Solana RPC endpoints let your dApp read chain state, submit transactions, and subscribe to real-time updates. This guide explains how Solana RPC works, how to connect to public and...
Solana RPC Endpoint: How to Connect and Configure for Production
A Solana RPC endpoint is the URL your application uses to send JSON-RPC requests to the Solana network. This guide covers the mainnet and devnet endpoints, how to configure your wa...
Polygon Network RPC: Endpoints, Chain Settings, and Debugging
Learn how to connect to the Polygon network via RPC, including the official OnFinality public endpoint, chain settings, and common troubleshooting steps. This guide covers JSON-RPC...
Free RPC for Solana: What Are Your Options and When Should You Pay?
Free Solana RPC endpoints are great for prototyping, hackathons, and low-traffic dApps, but they come with rate limits and reliability trade-offs. This article explains where to fi...
Solana Public RPC Nodes: What They Are and When to Use Them
Solana public RPC nodes are free, community-operated endpoints that let you read and write data on Solana without running your own validator. They are great for prototyping, light ...
What is peaq mainnet and how do you connect to it?
peaq mainnet is the production Layer 1 blockchain for the DePIN (Decentralized Physical Infrastructure Networks) economy, designed to support real-world devices and machine workloa...
Composable Finance Crypto: What Is It and How Do You Build Cross-Chain DeFi on It?
Composable Finance is a Polkadot-based network focused on cross-chain DeFi, enabling developers to build applications that interact with multiple blockchains. This article explains...
Base RPC Node: Endpoints, Chain Settings, and Debugging
Base is an Ethereum Layer 2 network built with the OP Stack. To interact with Base, you need an RPC endpoint that lets your application read and write data on-chain. This page cove...
What Is Statemine and How Do You Connect to It?
Statemine is a Polkadot parachain that provides a common good asset hub for the Kusama network. It enables the creation and management of assets, NFTs, and other token standards wi...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
