# Kostenloses Erstgespräch with Johnston

> Erst hören wir zu, wie du heute arbeitest. Dann zeigen wir dir live, wo die KI von Meisterpfad dir Zeit spart, vom Angebot bis zur Rechnung. Kostenlos und unverbindlich. Bring gerne alle Fragen, Bedenken und Erwartungen mit.

- Host: Johnston
- Duration: 45 min
- Location: Google Meet
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/meisterpfad/kostenloses-erstgesprach
- Event type id: 7109332

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7109332&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": 7109332,
  "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.