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Product Url Fingerprint Json

by geld machen url-fingerprint in Developer tools

x402 APIPassing, checked 5 min ago

JSON micro-tool for agents: GET ?url= → deterministic live URL fingerprint (final_url, status, content_type, body_sha256, body_len, tls_issuer/subject, dns A/AAAA sample, fetched_at, timing_ms). Reuses live-fetch bits from red-flag 1.2. Not an essay. Brand: geld machen. x402 $0.01 Base USDC.

GET https://geld-machen-x402.fly.dev/product/url-fingerprint.json

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
197 ms typical, 197 ms slowest 5%
Last check
5 min ago
Next check
in 22 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://geld-machen-x402.fly.dev/product/url-fingerprint.json?url=https%3A%2F%2Fexample.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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgeld-machen-x402.fly.dev%2Fproduct%2Furl-fingerprint.json
const res = await pay("https://geld-machen-x402.fly.dev/product/url-fingerprint.json?url=https%3A%2F%2Fexample.com");
console.log(await res.json());

Example input

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

Example output

{
  "body_len": 1256,
  "body_sha256": "<hex>",
  "brand": "geld machen",
  "contentType": "application/json",
  "content_type": "text/html",
  "dns": {
    "A": [
      "93.184.216.34"
    ],
    "AAAA": []
  },
  "fetched_at": "2026-09-07T16:00:00Z",
  "final_url": "https://example.com/",
  "product": "URL Fingerprint",
  "status": 200,
  "timing_ms": 420,
  "tls_issuer": "…",
  "tls_subject": "…"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
5 min agoPassed402212 ms$0.01
5 h agoPassed402197 ms$0.01