89-116-220-218.sslip.io

Live Base mainnet USDC and ETH balance for one address, read with eth_call at the latest block; returns decimal and raw values plus the block number. Use it to check a wallet can cover a payment or that funds arrived before acting. Simpler than running an RPC client and decoding ERC-20 calls yourself, and the block number makes each reading reproducible. Query: ?address=0x...

Open endpoint ↗

Price per call: $0.001
Chain: Base
Method: GET
Paid calls · 30 days: 3

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://89-116-220-218.sslip.io/base/usdc-balance", { method: "GET" });
console.log(await res.json());

https://89-116-220-218.sslip.io/base/usdc-balance