# Kurzes Kennenlernen with Sebastian Steinhuber

> Du hast eine konkrete Frage oder möchtest erstmal schauen, ob wir zusammenpassen? In 20 Minuten klären wir dein Anliegen.

- Host: Sebastian Steinhuber
- Duration: 20 min
- Location: Attendee phone number, Google Meet
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/sebastian-steinhuber/kennenlernen
- Event type id: 4633886

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4633886&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": 4633886,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "bookingFieldsResponses": {
    "title": "…",
    "DSVGO-Erstinfo": "…",
    "notes": "…",
    "Wie-hast-du-von-mir-erfahren": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (Worum geht es dir hauptsächlich?), `DSVGO-Erstinfo` (Mit deiner Buchung stimmst du der [Erstinformation](https://einfachnurversicherungen.de/erstinformation-nach-%c2%a7-15-versvermv-versicherungsvermittlungsverordnung/) und der [Datenschutzerklärung](https://einfachnurversicherungen.de/datenschutzerklaerung/) der ENV Versicherungsmakler UG zu.)
- Optional fields: `notes` (Additional notes), `Wie-hast-du-von-mir-erfahren` (Wie hast du von mir erfahren?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is required: `location.phone` is the attendee’s own.