# Luke Shermer – Cal.com booking page

> Book a meeting with Luke Shermer on Cal.com.

Booking page: https://all-gravy.cal.com/lus

## Event types

- [Meeting](https://all-gravy.cal.com/lus/meeting): 15, 30, 60 min, confirmed instantly, event type id 214212. Details: https://all-gravy.cal.com/lus/meeting.md
- [30 min meeting](https://all-gravy.cal.com/lus/30min): 30 min, confirmed instantly, event type id 203315. Details: https://all-gravy.cal.com/lus/30min.md
- [15 min meeting](https://all-gravy.cal.com/lus/15min): 15 min, confirmed instantly, event type id 203314. Details: https://all-gravy.cal.com/lus/15min.md

## Check availability

```http
GET https://api.cal.eu/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.eu/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.eu/docs/api-reference/v2/introduction