# Demo with Gregor · m246.org with Gregor Lederer

- Host: Gregor Lederer
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/gregor-lederer-ivcaxr/demo
- Event type id: 7721372

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7721372&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

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 7721372,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "read_participant_info": "…",
    "notes": "…",
    "rec_trans_agreed": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `read_participant_info` (I have read the [participant information](https://m246.org/imprint/interviews.html).)
- Optional fields: `notes` (Additional information), `guests` (Add guests), `rec_trans_agreed` (Yes, I’m happy for 24/6’s note-taking assistant to join this and future meetings and create notes using recording and transcription, as described in the [participant information](https://m246.org/imprint/interviews.html) and I can write to [contact@m246.org](mailto:contact@m246.org) anytime to withdraw recording consent.)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.