# Lucas Ostrowski – Cal.com booking page

> I build systems that will help you transform your life and business. My simple solutions will save you time so you can focus on what matters most.

Website: lostrowski.pl

Booking page: https://cal.com/lucas.ostrowski

## Event types

- [60 Minutes Meeting](https://cal.com/lucas.ostrowski/lukasz-60): 60 min, confirmed instantly, event type id 1163314. Tell me about your project Details: https://cal.com/lucas.ostrowski/lukasz-60.md
- [Lucas Ostrowski Meeting](https://cal.com/lucas.ostrowski/30min): 25, 50, 80 min, confirmed instantly, event type id 690793. Details: https://cal.com/lucas.ostrowski/30min.md
- [Lucas Ostrowski 30min](https://cal.com/lucas.ostrowski/30min-free): 30 min, confirmed instantly, event type id 2077006. Book a FREE consultation. Details: https://cal.com/lucas.ostrowski/30min-free.md
- [Acutus Digital Meeting](https://cal.com/lucas.ostrowski/acutus-digital): 25, 45, 50 min, confirmed instantly, event type id 1755187. Details: https://cal.com/lucas.ostrowski/acutus-digital.md
- [Lucas Ostrowski 15min](https://cal.com/lucas.ostrowski/15min): 15 min, confirmed instantly, event type id 1781128. Book a FREE consultation. Details: https://cal.com/lucas.ostrowski/15min.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
