# CombatCass Nutrition Call with Cassandra Eng

> SELECT THE CORRECT TIME SLOT: 30 min: for 1:1 check-ins with established clients 45 min: one-time consult (Take the questionnaire first) 15 min: ONLY for short questions about how the programs and logistics work! No nutrition advice provided. *For more questions: https://www.combatcassnutrition.com/programs.html

- Host: Cassandra Eng
- Duration: 15, 30, 45 min
- Location: Google Meet
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/cassandra-eng-fiqtjy/combatcassnutrition
- Event type id: 7341322

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7341322&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 7341322,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "smsReminderNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `smsReminderNumber` (Phone number (Text notifications)), `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `lengthInMinutes` picks one of 15, 30, 45; pass the same value to the slots request as `duration`.