Wallet Balance | Blackwood State

Use when you need a wallet balance, token balances or the ERC20 balance of an address on Base, read live from the chain. Do not use for ethereum mainnet or other chains, NFTs, transaction history or USD values. Returns JSON with the wallet balance of an address on Base: ETH and ERC20 token balances read on-chain in one block, 21 major tokens plus any you list for 0.003 USDC per call. Typical respo

Open endpoint ↗

Price per call: $0.003
Chain: Base
Method: POST
Paid calls · 30 days: 8

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://x402-gateway.blackwoodstate8.workers.dev/v1/wallet-balances", { method: "POST" });
console.log(await res.json());

https://x402-gateway.blackwoodstate8.workers.dev/v1/wallet-balances