# 30-min introduction call. with Oleksandr Naypak

> This free 30-minute introduction call is a chance for us to get to know each other and see if we’re a good fit. During the call, we’ll: Briefly introduce ourselves Talk through your project, goals, and challenges Discuss your needs, timeline, and expectations See how my design studio can help and what the next steps could look like This call is non-binding and purely exploratory — no preparation required. By the end, you’ll have clarity on whether and how we can move forward together.

- Host: Oleksandr Naypak
- Duration: 30 min
- Location: Zoom Video
- Host time zone: Europe/Berlin
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.eu/naypache-studio/30-min-introduction-call
- Event type id: 15009

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=15009&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.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 15009,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `notes` (Additional notes)
- Optional fields: none
- `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.