RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
What is Base node infrastructure and when should you run your own node?
Base node infrastructure refers to the hardware, software, and network setup required to run a Base node, including the execution client, consensus client, and synchronization with...
Arbitrum RPC List: How to Choose the Right Endpoint for Your App
This article explains the different types of Arbitrum RPC endpoints—public, managed, and dedicated—and how to choose the right one for your application. It covers chain settings, c...
How to connect to Solana Devnet RPC endpoints
Solana Devnet is a testnet for developers to build and test Solana programs without risking real funds. This page explains how to connect to Solana Devnet RPC endpoints, get SOL fr...
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 RPC Providers with Enterprise Support: What to Evaluate
Choosing a Solana RPC provider for production workloads requires evaluating more than raw throughput. Enterprise support means having a clear SLA, dedicated capacity, and responsiv...
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 ...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
