# FitCampPRO Video Meeting with Dean Kolar

> Research on elite junior volleyball players confirms a direct correlation: lower body fat percentage is associated with higher vertical jumps and better agility (ResearchGate, 2017). Even a small reduction in fat mass, combined with strength training, can be the difference between losing and winning. Statistically, female athletes are 2 to 10 times more likely to suffer a non-contact ACL injury compared to male players. When a key player goes down, the whole season’s strategy changes. This is the game you will win. Let's start winning...

- Host: Dean Kolar
- Duration: 15, 25, 45 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/nutrix/fitcamp
- Event type id: 5481997

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5481997&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": 5481997,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 25,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…",
    "ref": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `guests` (Add guests), `ref` (Ref code)
- `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, 25, 45; pass the same value to the slots request as `duration`.