# Nikola Stevanovic – Cal.com booking page

> Customer Success Manager

Booking page: https://commslayer-helpdesk.cal.com/nikola

## Event types

- [Commslayer Demo](https://commslayer-helpdesk.cal.com/nikola/demo): 25 min, confirmed instantly, event type id 5833554. A quick overview of Commslayer and AI support agent! Details: https://commslayer-helpdesk.cal.com/nikola/demo.md
- [Commslayer Implementation](https://commslayer-helpdesk.cal.com/nikola/onboard): 30, 45, 60 min, confirmed instantly, event type id 5833553. Meet with your Commslayer CSM to onboard, review, or ask questions about the platform Details: https://commslayer-helpdesk.cal.com/nikola/onboard.md
- [Commslayer Support](https://commslayer-helpdesk.cal.com/nikola/support): 15, 25 min, confirmed instantly, event type id 5833552. Meet with your Commslayer CSM for anything! Want to review new features, troubleshoot a bug or just want to chat? Book now! Details: https://commslayer-helpdesk.cal.com/nikola/support.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