# introductory-de with Limitless Retreats

> Schön, dass du hier bist. In einem kurzen Video-Call lernen wir uns kennen — du erzählst uns, was dich zu einem Retreat führt, und wir beantworten deine Fragen zu Ablauf, Vorbereitung und Rahmenbedingungen. So finden wir gemeinsam heraus, ob und welches Format zu dir passt. Such dir einfach einen Termin aus.

- Host: Limitless Retreats
- Duration: 30 min
- Location: Cal Video
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/limitlessretreats/introductory-de
- Event type id: 7348319

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7348319&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": 7348319,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number)
- Optional fields: `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.