# Lukas · Sudowl – Cal.com booking page

> Sysadmin aus München. KI-Automation, Server und Mail für KMU's.

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

## Event types

- [Free intro call](https://cal.com/sudowl/intro-call): 30 min, confirmed instantly, event type id 7546573. 30 minutes on video. We look at what you could automate. Free, no strings attached. Details: https://cal.com/sudowl/intro-call.md
- [Kostenloses Erstgespräch](https://cal.com/sudowl/erstgespraech): 30 min, confirmed instantly, event type id 7546571. 30 Minuten per Video/Audio. Wir schauen, was sich bei dir automatisieren lässt. Kostenlos und unverbindlich. Details: https://cal.com/sudowl/erstgespraech.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