curl --request GET \
  --url https://api.prefetch.io/monitor/{id}/checks/{checkId} \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.prefetch.io/monitor/{id}/checks/{checkId}"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.prefetch.io/monitor/{id}/checks/{checkId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.prefetch.io/monitor/{id}/checks/{checkId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.prefetch.io/monitor/{id}/checks/{checkId}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.prefetch.io/monitor/{id}/checks/{checkId}")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.prefetch.io/monitor/{id}/checks/{checkId}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "success": true,
  "data": {
    "id": "chk_8e2d4f6a1b3c4d5e6f7a8b9c0d1e2f3a",
    "monitor_id": "mon_3f9a1c2b7d4e4f6a8b0c1d2e3f4a5b6c",
    "status": "completed",
    "trigger": "scheduled",
    "scheduled_for": "2026-10-12T06:00:00.000Z",
    "started_at": "2026-10-12T06:00:04.112Z",
    "finished_at": "2026-10-12T06:01:27.930Z",
    "estimated_credits": 55,
    "actual_credits": 24,
    "summary": {
      "total_pages": 19,
      "same": 16,
      "new": 1,
      "changed": 1,
      "removed": 1,
      "error": 0
    },
    "target_results": [
      {
        "target_id": "tgt_8d1e0f2a3b4c5d6e",
        "type": "scrape",
        "pages": 1,
        "checked": 1,
        "baseline": false
      },
      {
        "target_id": "tgt_1a2b3c4d5e6f7a8b",
        "type": "crawl",
        "discovered": 17,
        "limit": 25,
        "complete": true,
        "baseline": false
      }
    ],
    "error": null,
    "created_at": "2026-10-12T06:00:00.513Z",
    "updated_at": "2026-10-12T06:01:27.930Z",
    "notifications": {
      "webhook": {
        "pending": 0,
        "delivered": 2,
        "failed": 0
      }
    },
    "pages": [
      {
        "target_id": "tgt_8d1e0f2a3b4c5d6e",
        "url": "https://example.com/pricing",
        "status": "changed",
        "status_code": 200,
        "error": null,
        "title": "Pricing — Example",
        "previous_check_id": "chk_51b0c2d3e4f5a6b7c8d9e0f1a2b3c4d5",
        "is_meaningful": true,
        "judgment": {
          "meaningful": true,
          "confidence": "high",
          "reason": "The Starter plan's price went from $19 to $24 a month.",
          "meaningful_changes": [
            {
              "type": "changed",
              "before": "$19/mo",
              "after": "$24/mo",
              "reason": "A plan price changed."
            }
          ]
        },
        "diff": {
          "fields": {
            "plans[0].price": {
              "previous": "$19/mo",
              "current": "$24/mo",
              "change": "changed"
            }
          },
          "changed_fields": 1
        },
        "snapshot": {
          "json": {
            "plans": [
              {
                "name": "Starter",
                "price": "$24/mo",
                "features": [
                  "3 seats",
                  "Email support"
                ]
              },
              {
                "name": "Pro",
                "price": "$49/mo",
                "features": [
                  "Unlimited seats",
                  "SSO"
                ]
              }
            ]
          }
        }
      },
      {
        "target_id": "tgt_1a2b3c4d5e6f7a8b",
        "url": "https://example.com/changelog/2026-10-11",
        "status": "new",
        "status_code": 200,
        "error": null,
        "title": "October 11 release",
        "previous_check_id": null,
        "is_meaningful": false,
        "judgment": {
          "meaningful": false,
          "confidence": "high",
          "reason": "A bug-fix release; no plan or price changes.",
          "meaningful_changes": []
        },
        "diff": {
          "text": "--- previous\n+++ current\n@@ -1,0 +1,4 @@\n+# October 11 release\n+\n+- Fixed CSV export of invoices\n+- Faster dashboard loading\n",
          "added_lines": 4,
          "removed_lines": 0,
          "truncated": false,
          "hunks": [
            {
              "old_start": 1,
              "old_lines": 0,
              "new_start": 1,
              "new_lines": 4,
              "lines": [
                {
                  "type": "added",
                  "content": "# October 11 release"
                },
                {
                  "type": "added",
                  "content": ""
                },
                {
                  "type": "added",
                  "content": "- Fixed CSV export of invoices"
                },
                {
                  "type": "added",
                  "content": "- Faster dashboard loading"
                }
              ]
            }
          ]
        },
        "snapshot": null
      }
    ],
    "next": "/monitor/mon_3f9a1c2b7d4e4f6a8b0c1d2e3f4a5b6c/checks/chk_8e2d4f6a1b3c4d5e6f7a8b9c0d1e2f3a?skip=2&limit=2"
  },
  "meta": {
    "requestId": "c5a8e9f0-1b2c-4d34-b5e6-708192a3b4c5",
    "durationMs": 74
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}

{
  "error": "Credit limit exceeded",
  "error_code": "CREDITS_EXHAUSTED",
  "retryable": false,
  "success": false,
  "retryAfterSeconds": 123,
  "limit": 123,
  "meta": {
    "requestId": "a3f2c1d4-7b6e-4f2a-9c1d-8e3f2a1b4c5d",
    "durationMs": 1842
  }
}