# Kostenloses Erstgespräch with Fabian Rudack | everbrave studio

> 30 Minuten Klartext zu deinem Vorhaben – per Google Meet oder telefonisch.

- Host: Fabian Rudack | everbrave studio
- Duration: 30 min
- Location: Google Meet, Attendee phone number
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/everbrave/erstgespraech
- Event type id: 6529105

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6529105&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": 6529105,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "datenschutz": "…",
    "unternehmen": "…",
    "website": "…",
    "anliegen": "…"
  }
}
```

- Required fields: `name` (Name), `email` (E-Mail), `datenschutz` (Ich habe die Datenschutzerklärung unter https://everbrave.io/datenschutz/ gelesen.)
- Optional fields: `unternehmen` (Unternehmen (optional)), `website` (Website (optional)), `anliegen` (Worum geht es? (optional))
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is optional; without it the booking uses the event’s first location.