# Alex – Cal.com booking page

> Book a meeting with Alex on Cal.com.

Booking page: https://holsco.cal.com/alex

## Event types

- [Derrick and Hope](https://holsco.cal.com/alex/friday-derrick-hope-921-s-williams-ave-sioux-falls): 60 min, confirmed instantly, event type id 7101652. 921 S Williams Ave Sioux Falls Details: https://holsco.cal.com/alex/friday-derrick-hope-921-s-williams-ave-sioux-falls.md
- [Estimate walkthrough with Jace](https://holsco.cal.com/alex/estimate): 30 min, confirmed instantly, event type id 6601562. The walkthrough is free, and Jace does it himself. He writes the estimate and runs the build, so the number comes from the man who has to build to it. You get the exact scope in writing, not a range that moves later. Details: https://holsco.cal.com/alex/estimate.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