# Discovery Call - 30 mins with Ilan Portnoi

> We'll chat about your goals, and answer your questions so you leave with a clear plan forward. Please respect our calendars and cancel your appointment if you're unable to make it.

- Host: Ilan Portnoi
- Duration: 30 min
- Location: Google Meet
- Host time zone: America/Toronto
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ilanportnoi/quick-chat-30-mins
- Event type id: 3433207

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3433207&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": 3433207,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "smsReminderNumber": "…",
    "notes": "…",
    "Why-is-now-the-right-time-to-address-this": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `smsReminderNumber` (Phone number (Text notifications))
- Optional fields: `notes` (What is the biggest challenge you're trying to solve right now?), `Why-is-now-the-right-time-to-address-this` (Why is now the right time to address this?), `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.