# Intro call with Gianluca with Gianluca Zin

> A short call about what you’re building and where AI fits in. We’ll cover the product, what you want AI to do in it, and whether I’m the right fit. If we agree on next steps, I’ll follow up with a scope and a start date. I’m available for contract work, from 1 day a week to full-time, remote or hybrid, in UK & EU hours.

- Host: Gianluca Zin
- Duration: 15 min
- Location: Google Meet
- Host time zone: Europe/Rome
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/gianluca-zin-qv4nba/discovery-chat-15-min
- Event type id: 4113061

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4113061&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": 4113061,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "what-are-you-building": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `what-are-you-building` (What are you building?), `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.