# Build Something Real with Joe Fabisevich

> Build smarter apps with on-device and cloud-based AI • Come with an idea, leave with a working prototype or real app. • Build side-by-side with live Q&A and expert guidance. • Learn a powerful process you can use again and again to build any idea. From first-timers to full-stack devs, this is for anyone ready to build something real.

- Host: Joe Fabisevich
- Duration: 210 min
- Location: Link meeting
- Host time zone: America/New_York
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/mergesort/ai-hands-on
- Event type id: 2284273

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2284273&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": 2284273,
  "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` (Tell me what you'd like to build)
- `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.