# Orientierungs|ExpertenGespräch – HRV Analyse with Lorenzo Henning Lardelli

> Kostenloses und unverbindliches Orientierungs|ExpertenGespräch zur Frage, ob und in welcher Form eine HRV Analyse für Ihre persönliche Situation sinnvoll sein kann. Das Gespräch findet wahlweise telefonisch oder per Zoom statt.

- Host: Lorenzo Henning Lardelli
- Duration: 20 min
- Location: Attendee phone number, Zoom Video
- Host time zone: Europe/Zurich
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/lorenzo-henning-lardelli-ldhak9/orientierungsgesprach-hrv-analyse
- Event type id: 7349363

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7349363&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": 7349363,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "bookingFieldsResponses": {
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is this meeting about?)
- 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.
- `location` is required: `location.phone` is the attendee’s own.