# book-a-call with Kristo Kivistik

> Strategy call for creators building digital products and monetization systems. Bring your current content platforms, audience size, and any offer ideas you already have. The goal is to understand your current position and explore the cleanest next step.

- Host: Kristo Kivistik
- Duration: 20 min
- Location: Cal Video
- Host time zone: Europe/Tallinn
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.eu/kristokivistik/book-a-call
- Event type id: 278077

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=278077&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": 278077,
  "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.