Check Url

Last 30 days

Uptime

100%

Response time

38 ms typical, 38 ms slowest 5%

Last check

4 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://offercheck.offercheck.workers.dev/v1/check/url?url=https%3A%2F%2Fexample.com%2Fdocs%2Fpage"

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%2Foffercheck.offercheck.workers.dev%2Fv1%2Fcheck%2Furl
const res = await pay("https://offercheck.offercheck.workers.dev/v1/check/url?url=https%3A%2F%2Fexample.com%2Fdocs%2Fpage");
console.log(await res.json());

Example input

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

Example output

{
  "alive": true,
  "archive": {
    "available": true,
    "closest_timestamp": "20260901000000",
    "closest_url": "http://web.archive.org/web/20260901000000/https://example.com/docs/page"
  },
  "bytes": 15321,
  "checked_at": "2026-09-25T20:00:00.000Z",
  "confidence": 0.9,
  "content_type": "text/html; charset=utf-8",
  "domain": {
    "age_days": 11365,
    "name": "example.com",
    "rdap_ok": true,
    "registered_at": "1995-08-14T04:00:00Z",
    "registrar": "RESERVED-Internet Assigned Numbers Authority"
  },
  "final_url": "https://example.com/docs/page",
  "http_status": 200,
  "https": true,
  "ms": 950,
  "redirect_chain": [
    {
      "status": 200,
      "url": "https://example.com/docs/page"
    }
  ],
  "robots": {
    "agents": {
      "*": true,
      "ClaudeBot": true,
      "GPTBot": true
    },
    "fetched": true
  },
  "soft_404": false,
  "title": "Docs — Page",
  "url": "https://example.com/docs/page",
  "warnings": []
}

Security scan

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

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