# Gratis gesprek with Alec

> 20 minuten aan de telefoon of via video. We bekijken samen wat beter kan aan je website, wat je nodig hebt en welk pakket past. Gratis en zonder verplichting.

- Host: Alec
- Duration: 20 min
- Location: Cal Video, Attendee phone number
- Host time zone: Europe/Brussels
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/dobbo/gratis-gesprek
- Event type id: 7905845

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7905845&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": 7905845,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Naam-van-je-zaak": "…",
    "notes": "…",
    "Je-huidige-website--als-je-er-een-hebt": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Naam-van-je-zaak` (Naam van je zaak)
- Optional fields: `notes` (Additional notes), `guests` (Add guests), `Je-huidige-website--als-je-er-een-hebt` (Je huidige website (als je er een hebt))
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is optional; without it the booking uses the event’s first location.