# Patrick Loonstra – Cal.com booking page

> ╱ Sr. Brand & Product Designer

Booking page: https://cal.com/patrickloonstra

## Event types

- [15 Min Meeting](https://cal.com/patrickloonstra/15min): 15 min, confirmed instantly, event type id 1482548. Even snel overleggen, dat kan. Via video, voor 15 minuten. Details: https://cal.com/patrickloonstra/15min.md
- [30 Min Meeting](https://cal.com/patrickloonstra/30min): 30 min, confirmed instantly, event type id 1482549. Iets langer overleggen, kan ook. Via video, voor 30 minuten. Details: https://cal.com/patrickloonstra/30min.md
- [60 min meeting](https://cal.com/patrickloonstra/60min): 60 min, confirmed instantly, event type id 1497155. Hebben we veel te bespreken. Geen probleem. Via video, 60 minuten. Details: https://cal.com/patrickloonstra/60min.md
- [Koffie](https://cal.com/patrickloonstra/koffie): 60 min, confirmed instantly, event type id 2066552. Spreek je liever af in de echte wereld? Ik heb alvast een paar plekken ingevuld waar we elkaar kunnen ontmoeten. Je mag zelf ook een voorstel doen natuurlijk. Details: https://cal.com/patrickloonstra/koffie.md

## Check availability

```http
GET https://api.cal.com/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.com/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

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