Base Testnet Blockchain Data Indexing API

Base Testnet Quick Facts

Base is a low-cost, secure, developer-friendly Ethereum L2 that serves as a home for Coinbase’s onchain products.

Don't Have an API Key?

Sign up to start building on Base Testnet.

Unlock millions of requests and free archive data on all chains.

Network Status

Supported Endpoints

Code Samples

Get token balances for address

GET/v1/{chainName}/address/{walletAddress}/balances_v2/

Commonly used to fetch the native, fungible (ERC20), and non-fungible (ERC721 & ERC1155) tokens held by an address. Response includes spot prices and other metadata.

Costs:

1.00 Credits

Processing:

Realtime
Show Guides
Installation
npm install @covalenthq/client-sdk
Request
import { CovalentClient } from "@covalenthq/client-sdk";

const ApiServices = async () => {
    const client = new CovalentClient("YOUR_API_KEY");
    const resp = await client.BalanceService.getTokenBalancesForWalletAddress();
    console.log(resp.data);
}