Tech stack detection · Tech Stack

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/tech-stack", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "url": "https://example.com"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/tech-stack" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "byCategory": {
    "server": [
      "nginx"
    ]
  },
  "detected": [
    {
      "category": "server",
      "name": "nginx"
    }
  ],
  "fetchedAt": "2026-06-19T22:00:00.000Z",
  "generator": null,
  "poweredBy": null,
  "server": "nginx",
  "url": "https://example.com/"
}