# Derek Pinheiro – Cal.com booking page

> Leaving the military soon?
I help service members build a clear transition plan into IT, cybersecurity, and cloud careers. Learn how to leverage your military experience, clearance, education benefits, certifications, and networking to land your first tech role.

Booking page: https://cal.com/derek-pinheiro-frqvw8

## Event types

- [Your First Stack Mentorship Program](https://cal.com/derek-pinheiro-frqvw8/your-first-stack-mentorship-program): 60 min, confirmed instantly, event type id 6409649. Session 1 Details: https://cal.com/derek-pinheiro-frqvw8/your-first-stack-mentorship-program.md
- [Check in](https://cal.com/derek-pinheiro-frqvw8/check-in): 30 min, confirmed instantly, event type id 6359110. Details: https://cal.com/derek-pinheiro-frqvw8/check-in.md
- [60  min meeting](https://cal.com/derek-pinheiro-frqvw8/60min): 60 min, confirmed instantly, paid, event type id 6231212. 1-on-1 Session Details: https://cal.com/derek-pinheiro-frqvw8/60min.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