# Diagnostic 20 min with Leopold Wade

> Un appel de 20 min afin qu'on puisse voir ensemble quels systèmes vous avez mis en place et quelles sont les solutions afin de mieux gérer votre acquisition et mieux gérer vos clients actifs. C'est sans engagement.

- Host: Leopold Wade
- Duration: 20 min
- Location: Google Meet
- Host time zone: Europe/Paris
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/wadelogic/diagnostic
- Event type id: 3862069

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3862069&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": 3862069,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "probleme_actuel": "…",
    "team_count": "…",
    "chiffre_affaires": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email), `probleme_actuel` (Problème actuel), `team_count` (Équipe ?), `chiffre_affaires` (Chiffre d'affaires actuel ?)
- Optional fields: `attendeePhoneNumber` (Phone number)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.