# Free Data Licensing Consultation with Hidden Value Advisory

> A free 30-minute call to see whether your firm's historical data could earn licensing revenue. There's no cost to your firm, since data buyers pay the fees. We'll cover how it works, how privacy is protected, and what to expect.

- Host: Hidden Value Advisory
- Duration: 30 min
- Location: Cal Video
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/hiddenvalueadvisory/consultation
- Event type id: 7780359

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7780359&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": 7780359,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Firm-name": "…",
    "Firm-size": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `Firm-name` (Firm name), `Firm-size` (Firm size)
- Optional fields: `notes` (Additional notes), `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.