curl --request GET \
  --url https://api.shiftkeeper.io/user/shifts/ \
  --header 'x-api-key: <api-key>'

{
  "shifts": [
    {
      "users": [
        {
          "id": "<string>",
          "name": "<string>",
          "email": "[email protected]",
          "role": "owner",
          "seat": "viewer",
          "time_zone": "<string>",
          "slack_id": "<string>"
        }
      ],
      "start": "2023-11-07T05:31:56Z",
      "end": "2023-11-07T05:31:56Z",
      "schedule_reference": {
        "id": "<string>",
        "name": "<string>"
      }
    }
  ],
  "meta": {
    "total": 123,
    "page": 123,
    "per_page": 123
  }
}