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 Base network RPC endpoint and how do I use it?
The Base network RPC endpoint is the URL your dApp or wallet uses to communicate with the Base blockchain. OnFinality provides a public HTTPS endpoint at https://base.api.onfinalit...
Which Solana RPC providers have the most competitive rate limiting?
Compare Solana RPC providers by rate limit structure, burst allowances, and WebSocket concurrency. Learn what to check in free tiers, paid plans, and dedicated nodes, and how to ma...
Which Solana RPC providers are known for their enhanced APIs for DeFi?
DeFi applications on Solana need more than basic JSON-RPC: they rely on enhanced APIs like priority fee estimation, token account indexing, and real-time WebSocket streams. This ar...
Solana RPC Providers Compared: What Should You Focus On?
Choosing a Solana RPC provider means weighing throughput, reliability, data access, and cost against your application's needs. This comparison focuses on the key technical and oper...
What is the Unichain endpoint and how do I connect to it?
Unichain is an Ethereum Layer 2 network built on the OP Stack, designed for fast and low-cost DeFi transactions. To interact with it, you need an RPC endpoint—either a public one f...
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, ...
Devnet Solana RPC: Endpoint, Faucet, and Debugging Guide
Learn how to connect to Solana Devnet RPC endpoints, get test SOL from the faucet, and debug common issues. This guide covers chain settings, request examples, and how to choose be...
Polygon Amoy RPC Endpoint: Chain Settings, Faucet, and Debugging
Get the Polygon Amoy RPC endpoint, chain ID, and explorer details for testnet development. Learn how to configure wallets and dApps, get test POL from the faucet, and debug common ...
Unichain Node: What It Is and How to Connect
Unichain is an Ethereum Layer 2 network built to reduce latency and lower costs for DeFi applications. This article explains what a Unichain node is, how to connect to the network ...
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...
Unlimited Solana RPC Node: What Does It Mean and When Do You Need It?
An unlimited Solana RPC node removes per-request rate limits, letting your application scale without hitting request caps. This article explains what unlimited access really involv...
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 ...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
