# RDV Visio ou téléphone with Christophe Mongrédien

> Choisissez quel type d'appel vous souhaitez, et sa durée. Dans tous les cas un lien vous sera envoyé par e-mail suite à votre réservation. Si vous avez choisi par téléphone, je vous appellerai à l'heure choisie.

- Host: Christophe Mongrédien
- Duration: 15, 30, 45 min
- Location: Cal Video
- Host time zone: Europe/Paris
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.eu/efficrea/visiotel
- Event type id: 223876

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=223876&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.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 223876,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "visiotel": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `visiotel` (RDV Visio ou Téléphone)
- Optional fields: none
- `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`.