RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
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 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 ...
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...
How do I get the latest Ethereum block with eth_getBlockByNumber?
Learn how to fetch the latest Ethereum block using the eth_getBlockByNumber JSON-RPC method, including curl and ethers.js examples, response fields, and common pitfalls. Compare pu...
What Is a Base Node and How Do You Run or Connect to One?
A Base node is a client that syncs with the Base network, an Ethereum Layer 2 rollup. Running one gives you direct, trustless access to chain data, but it requires significant hard...
Avalanche Node RPC: How to Connect, Configure, and Debug Your Endpoints
Learn how Avalanche node RPC works, the difference between public and dedicated endpoints, and how to configure your dApp for C-Chain, X-Chain, and P-Chain. This guide covers chain...
What Is Bittensor Subnet 123 and How Do You Interact With It?
Bittensor subnet 123 is a specialized subnetwork on the Bittensor ecosystem, designed to incentivize a specific machine learning or data-related task. This article explains what su...
What is an Ethereum RPC URL and how do you choose the right one?
An Ethereum RPC URL is the HTTP or WebSocket endpoint your dApp uses to communicate with the Ethereum blockchain. This article explains the components of an RPC URL, how to configu...
What Is Base Ethereum Layer 2 and How Do You Connect to It?
Base is an Ethereum Layer 2 network built with the OP Stack, designed to scale Ethereum transactions while inheriting its security. It uses optimistic rollups to batch transactions...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
