# ClubOS walkthrough with P Mishra

> Choose a free 20-minute introduction or a 60-minute detailed walkthrough of ClubOS. We will answer your questions about running your club, pricing and personal onboarding support. Please include your club name, sport, country and approximate membership in the booking notes.

- Host: P Mishra
- Duration: 20, 60 min
- Location: Cal Video
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/bytecodeconsulting/clubos-walkthrough
- Event type id: 6972455

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6972455&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": 6972455,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 20,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `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 20, 60; pass the same value to the slots request as `duration`.