# Prasware - Technical Partnership Call with Dragan Malesev

> Let’s discuss your product, architecture, and delivery challenges. This call is for founders and teams looking for a senior engineering partner.

- Host: Dragan Malesev
- Duration: 30, 45 min
- Location: Cal Video
- Host time zone: Europe/Belgrade
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/dragan-m/prasware
- Event type id: 4785562

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4785562&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": 4785562,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "stage": "…",
    "requirement": "…",
    "team_setup": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `stage` (What stage is your product?), `requirement` (What best describes your situation?), `team_setup` (Team Setup)
- Optional fields: `guests` (Add guests), `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `lengthInMinutes` picks one of 30, 45; pass the same value to the slots request as `duration`.