# Kostenloses Erstgespräch für ein potentielles Projekt with Jannick Harms

> Sende mir vorab Deine vorhandenen Details des Projektes zu (Falls du Dir schon intensivere Gedanken gemacht hast). Du kannst diese in den zusätzlichen Notizen der Buchung eintragen. Auf der Basis der Details führen wir ein gemeinsames Erstgespräch durch.

- Host: Jannick Harms
- Duration: 45 min
- Location: Google Meet
- Host time zone: Europe/Berlin
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/jannick-harms/erstgespraech
- Event type id: 444980

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=444980&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": 444980,
  "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.