# Chris Zijlstra – Cal.com booking page

> CEO at Matchable. We build software that helps sports companies shine and clients move. Making sports easy to find, simple to use, and open to all.

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

## Event types

- [🤝  Introduction Meeting](https://cal.com/chriszijlstra/intro): 30 min, confirmed instantly, event type id 3042087. Get to know us and the platform, walk through the main features, and explore how Matchable can support your venue or training business. Details: https://cal.com/chriszijlstra/intro.md
- [🧑‍💻 Catch-up with me](https://cal.com/chriszijlstra/catch-up): 30 min, confirmed instantly, event type id 2450875. Catch-up with me through a Google Meet! Details: https://cal.com/chriszijlstra/catch-up.md
- [ℹ️  Quick Sync & Support](https://cal.com/chriszijlstra/sync): 15, 30 min, confirmed instantly, event type id 2412024. A short check-in to address any questions, technical fixes, or updates needed to keep things running smoothly. Details: https://cal.com/chriszijlstra/sync.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