# Otto Kekalainen – Cal.com booking page

> Would you like to book a chat with me? Schedule a quick intro call below, or if you already have a specific request I can help solve, book an hour of consultation.

See also https://optimizedbyotto.com/

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

## Event types

- [15-Minute Meet & Greet](https://cal.com/ottok/15min): 15 min, confirmed instantly, event type id 2174869. Want to talk about your project in general or just grab a virtual coffee? Pick a time for a quick introduction chat (no fee). Details: https://cal.com/ottok/15min.md
- [1-Hour Consulting](https://cal.com/ottok/1h): 60 min, confirmed instantly, paid, event type id 2174870. Do you need help to urgently solve a complex business or technology problem? Book an 1-hour consultation for a focused discussion to address your questions, explore solutions, or plan next steps (payment required). Details: https://cal.com/ottok/1h.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