# Jeroen van Deursen – Cal.com booking page

> Digital Transformation Advisor - happy to catch up!

Booking page: https://fnxt-group.cal.com/jeroen.van.deursen

## Event types

- [2-cnnct discovery](https://fnxt-group.cal.com/jeroen.van.deursen/2-cnnct-discovery): 30 min, confirmed instantly, event type id 386187. Details: https://fnxt-group.cal.com/jeroen.van.deursen/2-cnnct-discovery.md
- [30 Minuten afspraak](https://fnxt-group.cal.com/jeroen.van.deursen/30min): 30 min, confirmed instantly, event type id 386180. Details: https://fnxt-group.cal.com/jeroen.van.deursen/30min.md
- [15 Minuten afspraak](https://fnxt-group.cal.com/jeroen.van.deursen/15min): 15 min, confirmed instantly, event type id 386179. Details: https://fnxt-group.cal.com/jeroen.van.deursen/15min.md

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=<event type id>&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

Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.eu/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.eu/docs/api-reference/v2/introduction