# TransportKlok Demo with Senn van Schajik

> Kom vrijblijvend binnen 30 minuten te weten wat TransportKlok kan betekenen voor uw bedrijf.

- Host: Senn van Schajik
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Amsterdam
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/senn-van-schajik-ult4ai/transportklok-demo
- Event type id: 7221384

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7221384&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": 7221384,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "bedrijf": "…",
    "title": "…",
    "Hoeveel-medewerkers-heeft-uw-bedrijf": "…",
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `bedrijf` (Wat is de naam van uw bedrijf?), `title` (Waar bent u naar op zoek?), `Hoeveel-medewerkers-heeft-uw-bedrijf` (Hoeveel medewerkers heeft uw bedrijf?)
- Optional fields: `attendeePhoneNumber` (Phone number), `notes` (Additional notes), `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.