# Joe Preston – Cal.com booking page

> Product Manager with 10+ years tech experience scaling startups and platforms. I help teams use data, design, architecture, storytelling, and rapid experimentation to ship systems that bring joy and drive revenue.

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

## Event types

- [Coffee Chat](https://cal.com/flyingcastlelabs/coffeechat): 15 min, confirmed instantly, event type id 2566805. Free 1x1 intro call to chat, learn about each other, and see if there's a problem I can help you solve. Details: https://cal.com/flyingcastlelabs/coffeechat.md
- [Strategy Session](https://cal.com/flyingcastlelabs/strategysession): 60 min, confirmed instantly, paid, event type id 2566803. One focused hour to tackle product, data, or team challenges. Send context ahead; I’ll come prepared so we leave with clear next steps. Fee credited to future work. Details: https://cal.com/flyingcastlelabs/strategysession.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