# Pavlo Cherniakov – Cal.com booking page

> GTM messaging & website copy for sales-led B2B SaaS.

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

## Event types

- [15 min call](https://cal.com/concisecopy/15): 15 min, confirmed instantly, event type id 326715. A quick call, ideal to discuss a single question. Details: https://cal.com/concisecopy/15.md
- [30 min call](https://cal.com/concisecopy/30): 30 min, confirmed instantly, event type id 326720. For discussions or consultations. Use this if 15 minutes definitely won't be enough. Details: https://cal.com/concisecopy/30.md
- [60 min call](https://cal.com/concisecopy/60): 60 min, confirmed instantly, event type id 710943. For long discussions. Please give a heads up before you book. Details: https://cal.com/concisecopy/60.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