curl --request GET \
  --url https://api.{tenant}.getomneo.com/api/v3/appointments

{
  "data": [
    {
      "id": 123,
      "appointment_definition_id": 123,
      "appointment_definition": {
        "id": 123,
        "handle": "<string>",
        "name": "<string>",
        "description": "<string>",
        "is_published": true,
        "is_archived": true,
        "duration_minutes": 123,
        "buffer_before_minutes": 123,
        "buffer_after_minutes": 123,
        "min_lead_minutes": 123,
        "max_advance_days": 123,
        "slot_interval_minutes": 123,
        "booking_type": "<string>",
        "allow_customer_booking": true,
        "allow_walk_in": true,
        "requires_staff": true,
        "customer_must_select_staff": true,
        "use_staff_from_location": true,
        "max_concurrent_bookings": 123,
        "allow_waitlist": true,
        "allow_queue": true,
        "meta": [
          "<unknown>"
        ],
        "created_target_id": 123,
        "confirmed_target_id": 123,
        "cancelled_target_id": 123,
        "rejected_target_id": 123,
        "reminder_target_id": 123,
        "notify_created_offset_days": 123,
        "notify_created_offset_hours": 123,
        "notify_confirmed_offset_days": 123,
        "notify_confirmed_offset_hours": 123,
        "notify_cancelled_offset_days": 123,
        "notify_cancelled_offset_hours": 123,
        "notify_rejected_offset_days": 123,
        "notify_rejected_offset_hours": 123,
        "notify_reminder_offset_days": 123,
        "notify_reminder_offset_hours": 123,
        "has_booking_questionnaire": true,
        "created_at": "<string>",
        "updated_at": "<string>",
        "normal_hours": [
          {
            "id": 123,
            "appointment_definition_id": 123,
            "day_of_week": "<string>",
            "available_from": "<string>",
            "available_until": "<string>",
            "is_closed": "<string>",
            "created_at": "<string>",
            "updated_at": "<string>"
          }
        ],
        "special_hours": [
          {
            "id": 123,
            "appointment_definition_id": 123,
            "name": "<string>",
            "is_repeating": true,
            "available_from": "<string>",
            "available_until": "<string>",
            "start_at": "<string>",
            "end_at": "<string>",
            "is_closed": "<string>",
            "created_at": "<string>",
            "updated_at": "<string>"
          }
        ],
        "locations": [
          "<unknown>"
        ],
        "staff": [
          {
            "id": 123,
            "appointment_definition_id": 123,
            "staff_id": "<string>",
            "is_active": true,
            "staff": {
              "id": "<string>",
              "first_name": "<string>",
              "last_name": "<string>",
              "email": "<string>",
              "mobile_phone": "<string>",
              "normal_hours": [
                {
                  "id": "<string>",
                  "day_of_week": "<string>",
                  "available_from": "<string>",
                  "available_until": "<string>",
                  "is_closed": "<string>"
                }
              ],
              "special_hours": [
                {
                  "id": "<string>",
                  "name": "<string>",
                  "is_repeating": "<string>",
                  "available_from": "<string>",
                  "available_until": "<string>",
                  "start_at": "<string>",
                  "end_at": "<string>"
                }
              ]
            },
            "created_at": "<string>",
            "updated_at": "<string>"
          }
        ],
        "booking_questionnaire": {
          "id": "<string>",
          "name": "<string>",
          "purpose": "<string>",
          "is_active": "<string>",
          "pages": "<string>"
        }
      },
      "profile_id": "<string>",
      "profile": {
        "id": "<string>",
        "first_name": "<string>",
        "last_name": "<string>",
        "email": "<string>"
      },
      "location_id": 123,
      "location": {
        "id": 123,
        "name": "<string>",
        "handle": "<string>",
        "timezone": "<string>"
      },
      "assigned_staff_id": "<string>",
      "assigned_staff": {
        "id": "<string>",
        "first_name": "<string>",
        "last_name": "<string>",
        "email": "<string>"
      },
      "status": "<string>",
      "scheduled_start_at": "<string>",
      "scheduled_end_at": "<string>",
      "timezone": "<string>",
      "approved_at": "<string>",
      "confirmed_at": "<string>",
      "cancelled_at": "<string>",
      "arrived_at": "<string>",
      "completed_at": "<string>",
      "no_show_at": "<string>",
      "rejected_at": "<string>",
      "approved_by": "<string>",
      "cancelled_by": "<string>",
      "rejected_by": "<string>",
      "transaction_id": 123,
      "order_id": 123,
      "notes": "<string>",
      "meta": [
        "<unknown>"
      ],
      "created_at": "<string>",
      "updated_at": "<string>",
      "transaction": {
        "id": 123,
        "external_id": "<string>",
        "receipt_ref": "<string>",
        "total": 123,
        "status": "<string>"
      },
      "order": {
        "id": 123,
        "external_id": "<string>",
        "receipt_ref": "<string>",
        "order_number": "<string>",
        "total": 123,
        "status": "<string>"
      },
      "answers": [
        {
          "id": 123,
          "questionnaire_id": 123,
          "questionnaire_question_id": 123,
          "question_id": 123,
          "question_version_id": 123,
          "profile_id": "<string>",
          "answerable_type": "<string>",
          "answerable_id": "<string>",
          "mapping_key": "<string>",
          "link_type": "<string>",
          "link_target": "<string>",
          "link_write_policy": "<string>",
          "question_label": "<string>",
          "question_type": "<string>",
          "question_required": true,
          "answer_type": "<string>",
          "value": true,
          "mappable_type": "<string>",
          "mappable_id": "<string>",
          "mapped_field": "<string>",
          "mapping_status": "<string>",
          "mapping_error": "<string>",
          "mapped_at": "<string>",
          "meta": [
            "<unknown>"
          ],
          "created_at": "<string>",
          "updated_at": "<string>",
          "question_handle": "<string>"
        }
      ],
      "links": [
        {
          "id": "<string>",
          "type": "<string>",
          "target_id": "<string>",
          "profile": {
            "id": "<string>",
            "first_name": "<string>",
            "last_name": "<string>",
            "email": "<string>"
          },
          "linkable": {
            "id": "<string>",
            "name": "<string>",
            "handle": "<string>",
            "profile_id": "<string>"
          }
        }
      ]
    }
  ]
}