# Christopher Ehrlich – Cal.com booking page

> Book a meeting with Christopher Ehrlich on Cal.com.

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

## Event types

- [10 Min Meeting](https://cal.com/ccccjjjjeeee/10min): 10 min, requires the host’s confirmation, event type id 177836. Details: https://cal.com/ccccjjjjeeee/10min.md
- [30 Min Meeting](https://cal.com/ccccjjjjeeee/30min): 30 min, requires the host’s confirmation, event type id 177838. Details: https://cal.com/ccccjjjjeeee/30min.md
- [1 Hour Meeting](https://cal.com/ccccjjjjeeee/1-hour-meeting): 60 min, requires the host’s confirmation, event type id 951116. Details: https://cal.com/ccccjjjjeeee/1-hour-meeting.md
- [Custom Meeting](https://cal.com/ccccjjjjeeee/custom-meeting): 5, 10, 15, 20, 25, 30, 45, 50, 60, 75, 80, 90, 120, 150, 180 min, requires the host’s confirmation, event type id 951117. Details: https://cal.com/ccccjjjjeeee/custom-meeting.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