Calldata decoder (ABI or · Calldata Decode

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://agent402.tools/api/calldata-decode", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "data": "0xa9059cbb000000000000000000000000abf4fabd7c416fb67202e5f9002389fc75e2a9d000000000000000000000000000000000000000000000000000000000000f4240"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/calldata-decode" \
  -H "Content-Type: application/json" \
  -d '{"data":"0xa9059cbb000000000000000000000000abf4fabd7c416fb67202e5f9002389fc75e2a9d000000000000000000000000000000000000000000000000000000000000f4240"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "decoded": true,
  "name": "transfer",
  "params": [
    {
      "name": null,
      "type": "address",
      "value": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0"
    },
    {
      "name": null,
      "type": "uint256",
      "value": "1000000"
    }
  ],
  "selector": "0xa9059cbb",
  "signature": "transfer(address,uint256)",
  "source": "openchain.xyz"
}