curl --request GET \
  --url https://api.decodahealth.com/calendar/self-schedule/availability \
  --header 'API-KEY: <api-key>' \
  --header 'TENANT: <tenant>'

[
  {
    "date": "2023-11-07T05:31:56Z",
    "morning": [
      {
        "start": "2023-11-07T05:31:56Z",
        "end": "2023-11-07T05:31:56Z",
        "serviceId": "<string>",
        "providerId": "<string>",
        "locationId": "<string>"
      }
    ],
    "afternoon": [
      {
        "start": "2023-11-07T05:31:56Z",
        "end": "2023-11-07T05:31:56Z",
        "serviceId": "<string>",
        "providerId": "<string>",
        "locationId": "<string>"
      }
    ],
    "evening": [
      {
        "start": "2023-11-07T05:31:56Z",
        "end": "2023-11-07T05:31:56Z",
        "serviceId": "<string>",
        "providerId": "<string>",
        "locationId": "<string>"
      }
    ]
  }
]