RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
How to Choose Solana RPC Providers for NFT Data APIs
Choosing the right Solana RPC provider for NFT data APIs means balancing read-heavy workloads, WebSocket subscriptions, and the need for reliable getAsset and getAssets responses. ...
What are Stellar nodes and how do you connect to the network?
Stellar nodes are the servers that run the Stellar network, validating transactions and maintaining the ledger. This article explains the different node types, how to run one, and ...
Sora Project and Sora Network: What Should Developers Know?
Sora is a decentralized finance network built on Substrate that aims to connect fiat and crypto through a regulated financial framework. This article explains the Sora project, its...
Sonic RPC Node: How to Connect to Sonic Mainnet
Sonic is an EVM-compatible Layer 1 blockchain designed for high-throughput DeFi applications. To interact with Sonic, developers need a reliable RPC node that can handle JSON-RPC r...
BNB Chain Testnet RPC Endpoint: Chain Settings, Faucet, and Debugging
This page explains how to connect to the BNB Chain Testnet (BSC Testnet) using an RPC endpoint. You'll find the official OnFinality public endpoint, chain settings, faucet instruct...
Mantle Endpoint: Chain Settings, RPC URLs, and Debugging
Learn how to connect to Mantle mainnet with the correct chain ID, RPC endpoint, and explorer settings. This page covers public and dedicated RPC options, common JSON-RPC methods, a...
BNB Smart Chain Node: What It Is and How to Connect Reliably
A BNB Smart Chain node is a client that stores BSC state and serves JSON-RPC requests. You can run one yourself or use a managed RPC provider. This page explains node types, how to...
What is a BNB Chain node and how do you run or connect to one?
A BNB Chain node is a client that maintains a full copy of BNB Smart Chain and serves JSON-RPC requests for reading chain state, sending transactions, and listening to events. You ...
Solana Endpoint Issues: How to Diagnose and Fix RPC Failures
Solana endpoint issues can stall dApps and trading bots. This article walks through common failure modes—timeouts, 429s, WebSocket drops, and slot lag—and shows how to diagnose the...
How do I add BNB Smart Chain Testnet to MetaMask?
This guide walks through adding BNB Smart Chain Testnet to MetaMask, covering chain settings, funding with tBNB, and common configuration pitfalls. It also explains how to choose a...
What makes a Solana RPC fast, and how do you choose the fastest RPC for your app?
Solana's performance demands low-latency RPC infrastructure. The fastest RPC for your use case depends on workload type, geographic proximity, and whether you need shared or dedica...
Ethereum RPC List: How to Pick the Right Endpoint for Your App
An Ethereum RPC list is a collection of endpoints that let your dApp read and write data on Ethereum. Choosing the right one depends on your workload: public endpoints are fine for...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
