Most Reliable Infra for the Base Blockchain

Access Base RPC nodes and powerful developer tools in one simple-to-use platform.

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Status

Test a Simple Call on Base

Try out our code - get yourAPI key for FREEand test how Tatum can simplify development.

Open this chain’s Postman collection:

Run and modify ready‑made RPC requests for this chain using the official Postman collection.

RPC Gateway

Connect to Base Gateway

Start your first RPC call on Base's Blockchain Gateway.

Smart Contract Tools on Base

Deploy, create, and interact with smart contracts on the Base network.

Estimate Gas on Base

Calculate the optimal gas fees for any transaction on Base.

Testnet Faucets for Base

Get free testnet tokens for development on the Base network.

Data API

Get Wallet Portfolio

Retrieve all token balances for a wallet on Base.

Get Wallet Transactions

Get all Base transactions for a wallet, including internal transfers.

Get Token Exchange Rates

Check exchange rates for tokens and fiat currencies on Base.

Check Malicious Address

Verify if an address on Base is flagged as malicious or suspicious.

Notifications

Real-time Alerts for Base

Receive instant webhook notifications for any event on Base.

Notification Types on Base

Discover incoming and outgoing transaction events for Base wallet addresses.

Frequently Asked Questions

How to connect to the Base gateway?

Connect to Tatum's Base RPC Gateway using the endpoint format: base-mainnet.gateway.tatum.io or base-testnet.gateway.tatum.io.

Tatum's RPC Gateway provides discovery endpoints to help you explore available functionality:

/llms.txt: Access AI context and documentation for the network
/_methods: Discover all supported interfaces and RPC methods for the network

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How are the RPC calls priced?

Credits are consumed based on the complexity and resource requirements of each RPC method:

2 credits are consumed for Standard RPC methods (most common operations)
5 credits are consumed for the eth_call method
50 credits are consumed for Debug and Trace methods

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How do you authenticate your API key?

When using the Tatum REST API or SDK, you need to authenticate yourself with an API key. Access Tatum services by authenticating with your API key using one of the following methods:

X-API-Key in header (Recommended): Pass your API key in the x-api-key header
Authorization Header (Bearer): Use authorization: bearer {YOUR_API_KEY}
Authorization Header (Basic): Use HTTP Basic Authentication

For detailed authentication instructions and best practices, see the Authentication & Security documentation.

Get your API key by signing up at the Tatum Dashboard. Each free account includes two API keys – one for Mainnet and one for Testnet.

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Access the Tatum Platform

Tatum gives you a powerful Dashboard to track and manage your app.

Preview of the Tatum Dashboard - usage section.