# Jack Poller – Cal.com booking page

> CEO & Principal Cyber Security Industry Analyst

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

## Event types

- [Briefing with Jack Poller/Paradigm Technica (30 minutes)](https://cal.com/jackpoller/briefing-with-jack-poller-paradigm-technica-30-minutes): 30 min, confirmed instantly, event type id 2428589. 30 minute Briefing with Jack Poller of Paradigm Technica Details: https://cal.com/jackpoller/briefing-with-jack-poller-paradigm-technica-30-minutes.md
- [Briefing with Jack Poller/Paradigm Technica (45 minutes)](https://cal.com/jackpoller/45-min-meeting): 45 min, confirmed instantly, event type id 1486923. A 45 minute Briefing with Jack Poller of Paradigm Technica (Choose your time zone Below) Details: https://cal.com/jackpoller/45-min-meeting.md
- [Briefing with Jack Poller/Paradigm Technica (1 Hour)](https://cal.com/jackpoller/briefing-with-jack-poller-paradigm-technica-1-hour): 60 min, confirmed instantly, event type id 2428576. 1 hour Briefing with Jack Poller of Paradigm Technica (Choose your time zone below) Details: https://cal.com/jackpoller/briefing-with-jack-poller-paradigm-technica-1-hour.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