83trust / 100

Tech Stack

by Tech stack detection in Security & trust

x402 APIPassing, checked 2 h ago

Detect the technology stack of a public website: CDN, web server, language/runtime, frontend framework (Next.js, Nuxt, SvelteKit, Remix, Astro, React, Vue, Angular), CMS (WordPress, Drupal, Ghost, Shopify, Wix, Squarespace, Webflow), analytics (GA, GTM, PostHog, Mixpanel, Segment, Hotjar, Plausible, Fathom), and payments (Stripe, PayPal). Signature-based; no third-party API.

POST https://agent402.tools/api/tech-stack

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
193 ms typical, 193 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/tech-stack" \
  -H "content-type: application/json" \
  -d '{"url":"https://example.com"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Ftech-stack
const res = await pay("https://agent402.tools/api/tech-stack", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"url":"https://example.com"}),
});
console.log(await res.json());

Example input

{
  "url": "https://example.com"
}

Example output

{
  "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/"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402193 ms$0.005