# Bitcoin FilmFest 2024: European Halving Party 🥳 with Bitcoin FilmFest

> Europleb celebrations around #840,000 📅 April 19-21 📌 the centre of the centre of Europe / half-conference / half-party / half-filmfest 🐇 EuropeanHalvingParty.com 🐇 🟪🟪🟪🟪🟪🥳🟧🟧🟧🟧🟧 powered by Bitcoin FilmFest'24 🎞️

- Host: Bitcoin FilmFest
- Duration: 420 min
- Location: Palace of Culture, Warsaw, Poland
- Host time zone: Europe/Warsaw
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/bitcoinfilmfest/2024
- Event type id: 415349

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=415349&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": 415349,
  "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)
- Optional fields: `notes` (Additional info)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.