# 20 Minuten Erstgespräch with Lisa Lampl

> In diesem Gespräch finden wir heraus, was dich aktuell innerlich unter Druck setzt und entwickeln einen konkreten nächsten Schritt, damit du dich selbst und andere wieder klar und souverän führen kannst. Ich freue mich darauf!

- Host: Lisa Lampl
- Duration: 40 min
- Location: Zoom Video
- Host time zone: Europe/Vienna
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/lisalampl/20min-erstgespraech
- Event type id: 3498230

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3498230&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": 3498230,
  "start": "<UTC ISO 8601 start from the slots response>",
  "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.
- A successful response is a pending booking request.