api.spendpreflight.com

SpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them. Export native Base USDC wallet transfers as JSON or CSV for a past range up to 90 days, start inclusive/end exclusive. Exact decimal running balances, counterparties and OFAC flags. Up to 1000 transfers/128 RPC calls/25 seconds; oversized or unavailable historical data fails with

Open endpoint ↗

Price per call: $0.05
Chain: Base
Method: POST
Paid calls · 30 days: 1

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://api.spendpreflight.com/v1/books/statement", { method: "POST" });
console.log(await res.json());

https://api.spendpreflight.com/v1/books/statement