# Hum Diagnostic Call with Damiano Di Pietro

> A straight-talking 30-minute call to work out what's holding your growth back and whether Hum's the right fit. No pitch deck, no pressure.

- Host: Damiano Di Pietro
- Duration: 30 min
- Location: MS Teams
- Host time zone: Australia/Perth
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/hum-damo/diagnostic-call
- Event type id: 7911402

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7911402&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": 7911402,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "what-do-you-want-to-chat-about": "…",
    "company-or-website": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `what-do-you-want-to-chat-about` (What do you want to chat about?)
- Optional fields: `company-or-website` (Company or website)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.