# 30 min pour démarrer ton projet (gratuit) | Atelier Balme with Quillard Ingrid

> Un premier échange pour me parler de ton projet, comprendre tes besoins et tes envies, et voir ensemble quel accompagnement correspond le mieux à ta situation. Cet échange est gratuit et sans engagement. Pas de préparation nécessaire, ces créneaux sont faits pour ça, tu ne me déranges pas.

- Host: Quillard Ingrid
- Duration: 30 min
- Location: Phone call
- Host time zone: Europe/Paris
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/atelierbalme/appel-decouverte
- Event type id: 7094559

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7094559&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": 7094559,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…",
    "Cible": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number)
- Optional fields: `notes` (Mon projet en quelques mots), `Cible` (Je suis)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.