RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
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...
What dedicated node access features should Solana developers look for?
Dedicated Solana RPC nodes give your dApp exclusive access to a single node instance, avoiding the noisy-neighbor effects of shared endpoints. Key features to evaluate include dedi...
What is a Starknet node and how do you run or connect to one?
A Starknet node is software that syncs with the Starknet network, validates state transitions, and serves JSON-RPC requests for dApps and indexers. Running a full node gives you di...
Polygon Node RPC: Endpoints, Chain Settings, and Provider Selection
Polygon node RPC endpoints let applications read and write data on the Polygon network using the standard JSON-RPC interface. This page covers the mainnet and Amoy testnet chain se...
Solana Node API: How to Connect, Configure, and Debug RPC Calls
The Solana node API is a JSON-RPC interface that lets applications read network state, send transactions, and subscribe to live updates. This guide covers cluster endpoints, reques...
Optimism RPC Node: Endpoints, Chain Settings, and Debugging
Connect to OP Mainnet and Optimism Sepolia with the right RPC endpoint, chain settings, and debugging workflow. This reference covers public and managed options, common failure mod...
What is a Solana dedicated node and when should you use one?
A Solana dedicated node is a single-tenant RPC endpoint that gives your application exclusive access to a Solana node, avoiding the rate limits and noisy-neighbor effects of shared...
Kaia Public Node: Endpoints, Providers, and Production Considerations
Kaia public nodes let you interact with the Kaia mainnet and Kairos testnet without running your own endpoint node. This article covers the official public endpoints, how to choose...
How to Choose a Sui Node Provider for Production Apps
Choosing a Sui node provider means balancing throughput, reliability, and cost for your specific workload. This guide explains what to look for in a provider, including gRPC suppor...
What is Efinity? A Complete Guide to the Blockchain for NFTs and Gaming
# What is Efinity? A Complete Guide to the Blockchain for NFTs and Gaming Efinity is a purpose-built blockchain designed to power the next generation of NFTs, gaming, and metaverse...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
