<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://forge.laravel.com/api/orgs/{organization}/servers/{server}/sites/{site}/heartbeats",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

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

curl_close($curl);

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

{
  "data": [
    {
      "id": "<string>",
      "type": "heartbeats",
      "links": {
        "self": {
          "href": "<string>",
          "rel": "<string>",
          "describedby": "<string>",
          "title": "<string>",
          "type": "<string>",
          "hreflang": "<string>",
          "meta": {}
        }
      },
      "attributes": {
        "name": "<string>",
        "status": "pending",
        "grace_period": 1,
        "frequency": 1,
        "custom_frequency": "<string>",
        "ping_url": "<string>"
      }
    }
  ],
  "links": {
    "first": "<string>",
    "last": "<string>",
    "prev": "<string>",
    "next": "<string>"
  },
  "meta": {
    "path": "<string>",
    "per_page": 123,
    "next_cursor": "<string>",
    "prev_cursor": "<string>"
  }
}