x402-audit.tatschluizguilherme.workers.dev

ERC-20 allowance on Base, Optimism or Ethereum Mainnet: how much a spender contract/address can spend from an owner wallet — token, owner, spender, allowance (wei + formatted), decimals, symbol and block number, on-chain (no explorer API)

Open endpoint ↗

Price per call: $0.10
Chain: Base
Method: GET
Paid calls · 30 days: 0

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-audit.tatschluizguilherme.workers.dev/allowance", { method: "GET" });
console.log(await res.json());

https://x402-audit.tatschluizguilherme.workers.dev/allowance