# Tomas Jensen – Cal.com booking page

> This conversation is a chance to step back and focus on what will deliver better results.**



I’m Tomas Jensen, CEO of Rain Barrel. I work with governments, organisations and companies to turn strong intent and good evidence into action that works in real-world conditions.



We’ll use the time to clarify your goals, understand what may be limiting results, and identify practical changes that could improve performance and outcomes.


This is not a sales call. It’s a working conversation. If Rain Barrel can add value, I’ll be clear about how. If not, you’ll still leave with sharper clarity and a grounded sense of next steps.

Booking page: https://cal.com/tomas-jensen-rwdqeh

## Event types

- [30 Min Meeting](https://cal.com/tomas-jensen-rwdqeh/30min): 30 min, requires the host’s confirmation, event type id 4236324. Details: https://cal.com/tomas-jensen-rwdqeh/30min.md
- [15 Min Meeting](https://cal.com/tomas-jensen-rwdqeh/15min): 15 min, requires the host’s confirmation, event type id 4236325. Details: https://cal.com/tomas-jensen-rwdqeh/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