# Paul Graham Raven – Cal.com booking page

> Writer, researcher, worldbuilder. I provide creative, critical foresight services that let you see through hype, help you explore possible futures, and make smarter choices for yourself and your business. Book a call and tell me what's bugging you!

Founder, owner and operator of Magrathea Futures AB, a boutique worldbuilding studio. Follow my research journal and weeknotes at Worldbuilding Agency.

Booking page: https://cal.com/magrathea-futures-ab

## Event types

- [Longer meetings](https://cal.com/magrathea-futures-ab/longer-meetings): 90, 120, 150, 180, 240 min, requires the host’s confirmation, event type id 7192338. Meetings of more than an hour in length, preferably in-person but potentially online. (For an in-person encounter, select a time-slot, then select "somewhere else" and suggest a Malmö location that you like.) Details: https://cal.com/magrathea-futures-ab/longer-meetings.md
- [1 Hour Meeting](https://cal.com/magrathea-futures-ab/1hr): 60 min, requires the host’s confirmation, event type id 7192339. A good long chat, online or off. (For an in-person encounter, select a time-slot, then select "somewhere else" and suggest a Malmö location that you like.) Details: https://cal.com/magrathea-futures-ab/1hr.md
- [30 Min Meeting](https://cal.com/magrathea-futures-ab/30min): 30 min, requires the host’s confirmation, event type id 7192340. A quick chat, online or off. (For an in-person encounter, select a time-slot, then select "somewhere else" and suggest a Malmö location that you like.) Details: https://cal.com/magrathea-futures-ab/30min.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