# 2 Stunden und mehr with Ralf Kaiser

> Zwei Stunden Treffen. Für längere Treffen einfach mehrere Termine nacheinander anlegen

- Host: Ralf Kaiser
- Duration: 120 min
- Location: Wohin soll ich kommen? (Anschrift), 48565 Steinfurt, Germany
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ralf-kaiser-ukc9g3/30min
- Event type id: 6625370

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6625370&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": 6625370,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeeAddress",
    "address": "…"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "title": "…",
    "Soll-ich-mich-vorher-sp-len": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `attendeePhoneNumber` (Handynummer für Kontaktaufnahme), `title` (Kurze Beschreibung, was ihr machen wollt), `Soll-ich-mich-vorher-sp-len` (Soll ich mich vorher spülen?)
- 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.
- `location` is required: `location.address` is the attendee’s own.