EIP-3009 / x402 Offline Signing,

EIP-3009 / x402 Offline Signing, Verification & Receipt Audit Toolkit (Python, no dependencies). Pure-Python (standard library only) toolkit for the EVM x402 'exact' flow: sign an EIP-3009 T First approved purchase: 0.01 USDC total where maker terms permit; later 0.25 USDC plus tax. Stored ZIP download; commercial use, no redistribution. Verified by Speedbot for this version. Generate a private ch

Open endpoint ↗

Price per call: $0.01
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://speedbot.dev/api/products/product_c5e2808a79b5445192e26822cdbcbce3/versions/version_59eee7f20d594b27b209b1f432db4784/buy", { method: "POST" });
console.log(await res.json());

https://speedbot.dev/api/products/product_c5e2808a79b5445192e26822cdbcbce3/versions/version_59eee7f20d594b27b209b1f432db4784/buy