# Discovery Call ⚡️ with Anna Kožuch

> Tell me what you're working on, what's getting in the way, or what you want to build. We'll figure out whether I'm the right person to help. No prep, no pitch deck needed.

- Host: Anna Kožuch
- Duration: 20 min
- Location: Google Meet
- Host time zone: Europe/Prague
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/annakozuch/intro
- Event type id: 7851092

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7851092&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": 7851092,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is this meeting about?)
- 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.