answer · Answer

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://api.agentstools.dev/answer", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api.agentstools.dev/answer?query=what+is+the+x402+payment+protocol" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "answer": "x402 is an open protocol for machine payments over HTTP 402 [1].",
  "model": "deepseek-v4-flash",
  "query": "what is the x402 payment protocol",
  "sources": [
    {
      "title": "x402",
      "url": "https://x402.org"
    }
  ],
  "used_sources": [
    "https://x402.org"
  ]
}