x402 Wallet Balance Lookup · Wallet Balance

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://x402tap.com/api/wallet-balance", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://x402tap.com/api/wallet-balance?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=base" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "chain": "Base",
  "native": {
    "balance": "1.24031",
    "symbol": "ETH"
  },
  "token": {
    "address": "0x8335...",
    "balance": "500.0",
    "decimals": 6,
    "symbol": "USDC"
  }
}