# Discovery Call with Antonio Spina

- Host: Antonio Spina
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Rome
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/spinabuilds/discovery-call
- Event type id: 6063559

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6063559&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": 6063559,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Per-chi---la-consulenza": "…",
    "Usi-gi--un-coding-agent-AI-agent": "…",
    "Qual---il-problema-o-l-obiettivo-principale": "…",
    "notes": "…",
    "-La-tua-azienda-o-sito--nome-o-URL": "…",
    "Qual---il-tuo-stack": "…",
    "Su-cosa-pensi-di-aver-bisogno": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Per-chi---la-consulenza` (Per chi è la consulenza?), `Usi-gi--un-coding-agent-AI-agent` (Usi già un coding agent/AI-agent?), `Qual---il-problema-o-l-obiettivo-principale` (Qual è il problema o l'obiettivo principale?)
- Optional fields: `notes` (Additional notes), `guests` (Add guests), `-La-tua-azienda-o-sito--nome-o-URL` (La tua azienda o sito (nome o URL)), `Qual---il-tuo-stack` (Qual è il tuo stack?), `Su-cosa-pensi-di-aver-bisogno` (Su cosa pensi di aver bisogno?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.