Base

The Base RPC documentation offers developers a comprehensive guide to interact with the Base Layer 2 network, built on the Optimism stack. Through its detailed API endpoints, developers can query blockchain data, manage accounts, submit transactions, and interact with Ethereum-compatible smart contracts. Base is designed to enhance Ethereum’s scalability by providing faster transaction times and lower fees, while still maintaining security. This documentation supports developers in building and migrating dApps, with examples and best practices for seamless integration.

– Related: 📚 Supported Blockchains • 🌐 RPC Nodes → Base • 🔗 Official Base Website

RPC Gateway for Base blockchain

Base RPC networks

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💎

Base Mainnet

🔍 Status 🕵️ Explorer

↳ JSON-RPC

https://base-mainnet.gateway.tatum.io

📋 Methods

✨

Base Sepolia

🔍 Status 🕵️ Explorer

↳ JSON-RPC

https://base-sepolia.gateway.tatum.io

📋 Methods

Connect to Base and Fetch the Latest Block

This widget lets you instantly query the latest block height (or equivalent) for Base using a chain-specific RPC method like eth_blockNumber, getblockcount, or getBlockHeight. Useful for connectivity checks, uptime monitoring, or API testing.

Retrieve Base Node Status or Client Version via RPC

Use this pre-configured request to get version or status information for your connected Base node. Whether it's web3_clientVersion, getblockchaininfo, or chain-specific endpoints, the method is optimized for each supported blockchain.

Test Base RPC Methods in Postman

Explore and test Base blockchain methods instantly using our pre-configured Postman collection. Perfect for developers who want to experiment with Base RPC endpoints, validate API responses, or integrate Base into their applications.

Available Base interfaces and methods

Each Base network and interface below exposes its own set of RPC methods, listed live from Tatum's RPC Gateway. Query these endpoints for any interface to explore what it supports:

• /_methods – machine-readable list of interfaces and methods
• /llms.txt – human- and AI-readable documentation context