Ontario Protocol

Verify a Base transaction by hash: status, block, timestamp and confirmations, with its USDC and ERC-20 Transfers decoded (token, from, to, amount; up to 100 listed, transfers_total gives the full count), any EIP-3009 authorization used, and match flags for an expected payTo and amount, so an x402 payment receipt or PAYMENT-RESPONSE can be checked. Required: hash. $0.002 USDC on Base. Transaction

Open endpoint ↗

Price per call: $0.002
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://ontarioprotocol.com/api/x402/base/tx-check", { method: "GET" });
console.log(await res.json());

https://ontarioprotocol.com/api/x402/base/tx-check