# Vol en planeur with Groupe de Vol à Voile de la Gruyère

> Réservation pour un vol en planeur, d'une durée d'environ 45 minutes. Prière d'être sur place minimum 15 minutes à l'avance. Nous vous téléphonerons 1-2j à l'avance en cas d'annulation (mais pas si le vol est maintenu !)

- Host: Groupe de Vol à Voile de la Gruyère
- Duration: 90 min
- Location: Route de l'Aérodrome 41, 1663 Epagny
- Host time zone: Europe/Zurich
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/gvvgruyere/vol-en-planeur
- Event type id: 2637921

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2637921&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": 2637921,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Numero-bon": "…",
    "notes": "…"
  }
}
```

- Required fields: `attendeePhoneNumber` (Phone number), `name` (Your name), `email` (Email address)
- Optional fields: `Numero-bon` (Numéro du bon (si applicable)), `notes` (Remarques)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- A successful response is a pending booking request.