Check

Last 30 days

Uptime

100%

Response time

376 ms typical, 515 ms slowest 5%

Last check

11 min ago

Next check

in 20 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://livecheck.fly.dev/v1/check" \
  -H "content-type: application/json" \
  -d '{"baseline_hash":null,"condition":{"detector":"status_change","params":{}},"target":{"render":"never","selector":null,"type":"url","url":"https://boards.greenhouse.io/example/jobs/1842"}}'

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%2Flivecheck.fly.dev%2Fv1%2Fcheck
const res = await pay("https://livecheck.fly.dev/v1/check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"baseline_hash":null,"condition":{"detector":"status_change","params":{}},"target":{"render":"never","selector":null,"type":"url","url":"https://boards.greenhouse.io/example/jobs/1842"}}),
});
console.log(await res.json());

Example input

{
  "baseline_hash": null,
  "condition": {
    "detector": "status_change",
    "params": {}
  },
  "target": {
    "render": "never",
    "selector": null,
    "type": "url",
    "url": "https://boards.greenhouse.io/example/jobs/1842"
  }
}

Example output

{
  "condition": {
    "detector": "status_change",
    "params": {}
  },
  "confidence": 0.82,
  "fired": null,
  "id": "chk_01J8Z0K3N4P5Q6R7S8T9V0WCHK",
  "observation": {
    "canonical_url": "https://boards.greenhouse.io/example/jobs/1842",
    "checked_at": "2026-09-10T18:00:00Z",
    "hash": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
    "http_class": "2xx",
    "http_status": 200,
    "signals": [
      "apply form present",
      "no closure banner"
    ],
    "status": "live",
    "summary": "live 2xx (200); apply form present, no closure banner",
    "title": "Staff Backend Engineer — Northwind Labs"
  },
  "price_usd": 0.02,
  "receipt": {
    "hash": "dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
    "verify_url": "https://livecheck.fly.dev/v1/receipt/chk_01J8Z0K3N4P5Q6R7S8T9V0WCHK"
  },
  "target": {
    "render": "never",
    "selector": null,
    "type": "url",
    "url": "https://boards.greenhouse.io/example/jobs/1842"
  }
}

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