RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
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...
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...
What is the RPC URL for Binance Smart Chain?
The official public RPC URL for BNB Smart Chain is https://bnb.api.onfinality.io/public. This endpoint lets you query the BNB Smart Chain mainnet without running your own node. For...
What is the BNB Smart Chain RPC URL and how do I use it?
The BNB Smart Chain (BSC) RPC URL is the endpoint your dApp, wallet, or script uses to send JSON-RPC requests to the BSC network. The official OnFinality public endpoint is https:/...
Kava RPC: Chain Settings, Endpoints, and Debugging
Kava is a Cosmos-based Layer 1 blockchain that combines the speed of Cosmos with Ethereum Virtual Machine (EVM) compatibility. This page covers Kava RPC endpoints, chain settings, ...
Solana RPC Node: What It Is, How to Connect, and How to Choose
A Solana RPC node is a server that exposes the Solana JSON-RPC API, letting applications read chain data and submit transactions. This article explains how Solana RPC nodes work, h...
Solana RPC Endpoint: How to Connect, Configure, and Debug
A Solana RPC endpoint is the URL your dApp or validator uses to send JSON-RPC requests to the Solana network. This page explains the mainnet and devnet endpoints, how to configure ...
Solana Endpoint: How to Connect to Solana RPC for Production Apps
A Solana endpoint is the URL your dApp or backend uses to send JSON-RPC requests to the Solana network. Choosing the right endpoint affects latency, reliability, and how well your ...
Avalanche RPC Node: Endpoint Settings, Provider Options, and Debugging
An Avalanche RPC node exposes the C-Chain's Ethereum-compatible JSON-RPC API, letting dApps read and write on-chain data. This article covers endpoint configuration, provider selec...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
