# Donovin Sims – Cal.com booking page

> Founder @ Clockout

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

## Event types

- [New Website](https://cal.com/donovin/website): 30 min, confirmed instantly, event type id 6273514. Details: https://cal.com/donovin/website.md
- [Free AI Assessment Call](https://cal.com/donovin/assessment): 20 min, confirmed instantly, event type id 3081990. This is a free 20-minute call — not a sales pitch. I'll have your numbers ready before we get on the call. You don't need to prepare anything. My guarantee: If the system doesn't recover 5–10 hours a week within 30 days, I keep working until it does. Free. Once you book, you'll get a confirmation by text and email with the call details. Prefer to meet in person? Mention it in the notes — available in the Rockford/Loves Park/Roscoe/South Beloit areas. Details: https://cal.com/donovin/assessment.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