curl --request GET \
  --url https://api.devhelm.io/api/v1/services/{slugOrId}/maintenances \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "externalId": "<string>",
      "title": "<string>",
      "status": "<string>",
      "impact": "<string>",
      "shortlink": "<string>",
      "scheduledFor": "2023-11-07T05:31:56Z",
      "scheduledUntil": "2023-11-07T05:31:56Z",
      "startedAt": "2023-11-07T05:31:56Z",
      "completedAt": "2023-11-07T05:31:56Z",
      "affectedComponents": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "name": "<string>",
          "status": "<string>"
        }
      ],
      "updates": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "status": "<string>",
          "body": "<string>",
          "displayAt": "2023-11-07T05:31:56Z"
        }
      ]
    }
  ],
  "hasNext": true,
  "hasPrev": true
}