RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
What is the TON Network RPC URL and How Do You Use It?
The TON Network RPC URL is the endpoint your dApp or bot uses to communicate with the TON blockchain. This article explains the official public endpoint, how to configure it in you...
How to Stake on BNB Smart Chain: A Step-by-Step Walkthrough
This walkthrough explains how to stake BNB on BNB Smart Chain (BSC), covering both delegation to validators and liquid staking options. It includes practical steps for connecting y...
What is JSON RPC Solana and how do you use it?
Solana's JSON-RPC API is the standard way for applications to interact with the network—querying accounts, submitting transactions, and subscribing to real-time updates. This artic...
Solana WebSocket API: How to Stream Real-Time Data from the Chain
The Solana WebSocket API lets you subscribe to real-time updates like account changes, transaction confirmations, and new slots without polling. This article explains the core subs...
What is a Bitcoin endpoint and how do you connect to the Bitcoin network?
A Bitcoin endpoint is a URL that lets your application talk to a Bitcoin node, usually over JSON-RPC. It is the entry point for reading blockchain data, building transactions, and ...
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...
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...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
