# Premier Échange with Scaled

> Pure discussion transparente, pas de grand pitch.

- Host: Scaled
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Paris
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/scaledsystems/first-call
- Event type id: 5872888

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5872888&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": 5872888,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "activity": "…",
    "QualificationLeadsFlux": "…",
    "CanalLeads": "…",
    "which-system": "…",
    "problem": "…",
    "attentes": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `activity` (Quelle est votre activité ?), `QualificationLeadsFlux` (Avez-vous déjà des demandes entrantes ou des prospects réguliers ?), `CanalLeads` (Comment générez-vous vos demandes ou opportunités aujourd’hui ?), `which-system` (Quel est votre système actuel ?), `problem` (Quel est le problème principal aujourd’hui ?), `attentes` (Qu’attendez-vous concrètement de cet échange ?)
- 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.
- A successful response is a pending booking request.