# Demo & Potentialanalyse · Sales-Trainer with Sarah Wirt

> 20 Minuten Live-Demo am echten Beispiel: Wir werten einen realen Verkaufs-Call aus (deinen oder unseren Musterfall) und du siehst exakt was Sales-Trainer für dein Team leisten würde. Kein Sales-Pitch, kein Zeit-Zwang danach.

- Host: Sarah Wirt
- Duration: 20 min
- Location: Google Meet
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://apogpt.cal.com/sarah/demo
- Event type id: 6350772

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6350772&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": 6350772,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "phone": "…",
    "unternehmen": "…",
    "team_size": "…",
    "pain_note": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Dein Name), `email` (E-Mail), `phone` (Telefon (für Rückfragen)), `unternehmen` (Unternehmen), `team_size` (Wie groß ist dein Vertriebs-Team?)
- Optional fields: `pain_note` (Details zu deiner Sales-Herausforderung (optional)), `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.