# AlwaysDesk brand – Cal.com booking page

> AI workforce for service businesses. AlwaysDesk answers calls, captures and qualifies leads, handles FAQs, and books appointments 24/7.

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

## Event types

- [HVAC Service Visit Demo](https://cal.com/alwaysdesk/hvac-service-visit): 60 min, confirmed instantly, event type id 7154569. Demo HVAC service appointment booked by the AlwaysDesk AI front-office agent. This event demonstrates how AlwaysDesk can check availability and schedule service visits for HVAC businesses. No real HVAC service will be performed. Details: https://cal.com/alwaysdesk/hvac-service-visit.md
- [30 min meeting](https://cal.com/alwaysdesk/30min): 30 min, confirmed instantly, event type id 7154543. Details: https://cal.com/alwaysdesk/30min.md
- [15 min meeting](https://cal.com/alwaysdesk/15min): 15 min, confirmed instantly, event type id 7154542. Details: https://cal.com/alwaysdesk/15min.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