# Getting to know each other + Project presentation with Nadin Heinke

> An introductory meeting where you can find out more about me and my work. You’ll have already brought along a specific project for which you’re seeking support. During the call, we can discuss whether and how I can help you bring it to fruition. If you’d like, I’ll then draw up a bespoke quote following the meeting.

- Host: Nadin Heinke
- Duration: 30, 45, 60, 75 min
- Location: Cal Video, Alternatively, you’re welcome to send me your meeting invitation once I’ve confirmed the date.
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.eu/nheinke/getting-to-know-each-other-project-presentation
- Event type id: 303791

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=303791&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.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 303791,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is optional; without it the booking uses the event’s first location.
- `lengthInMinutes` picks one of 30, 45, 60, 75; pass the same value to the slots request as `duration`.