RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
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...
What should you evaluate when choosing a Solana RPC provider with analytics APIs?
Choosing a Solana RPC provider with analytics APIs means looking beyond basic transaction broadcasting. You need to evaluate data depth, method coverage, and how the provider handl...
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:/...
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...
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...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
