# Tim Belvin – Cal.com booking page

> Software architect and AI consultant with 25+ years of experience building technology for startups and established businesses. I’m currently focused on agentic AI, intelligent automation, and helping organizations turn AI from an interesting idea into something genuinely useful.

Booking page: https://cal.com/tim-belvin

## Event types

- [30 min meeting](https://cal.com/tim-belvin/30min): 30 min, confirmed instantly, event type id 7726454. Details: https://cal.com/tim-belvin/30min.md
- [15 min meeting](https://cal.com/tim-belvin/15min): 15 min, confirmed instantly, event type id 7726453. Details: https://cal.com/tim-belvin/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