# Premier contact with colin Dargent

> 30 minutes pour faire le point sur votre entreprise : - vos objectifs, et où en est l'IA chez vous aujourd'hui - ce qu'elle peut changer, et par où commencer - notre manière de travailler : stratégie, transformation, ingénierie Si c'est pertinent, on fixe ensemble les prochaines étapes.

- Host: colin Dargent
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Seoul
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/colin-dargent/premier-contact
- Event type id: 5665080

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5665080&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": 5665080,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `notes` (Décrivez votre besoin : un projet, une problématique, un objectif...)
- Optional fields: `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.