# Kennenlerngespräch with Kristin Klinner

> Ich freue mich, dass du dich für eine Zusammenarbeit interessierst und mich kennenlernen möchtest! Auf diese Weise können wir am besten über deine Ideen sprechen und ganz nebenbei herausfinden, ob die Chemie zwischen uns stimmt. Das Gespräch findet telefonisch statt.

- Host: Kristin Klinner
- Duration: 30 min
- Location: Attendee phone number
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/kristinklinner/30min
- Event type id: 2153587

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2153587&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": 2153587,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- 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.