curl --request GET \
  --url https://prod.featherhq.com/api/v1/calendars/{calendarId}/schedules \
  --header 'X-API-Key: <api-key>'

{
  "schedules": [
    {
      "id": "<string>",
      "calendarId": "<string>",
      "name": "<string>",
      "timezone": "<string>",
      "isDefault": true,
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "availabilities": [
        {
          "id": "<string>",
          "days": [
            3
          ],
          "startTime": 720,
          "endTime": 720,
          "date": "<string>"
        }
      ]
    }
  ]
}