# Demo expertaize with expertaize

> A 30-minute walkthrough of expertaize on a sample due diligence case. We'll show how expert profiles from all your networks land in one place, get ranked against your open questions, and move from scheduling to transcript without switching tools. Bring your questions, and tell us how your team runs expert calls today. We're onboarding pilot partners ahead of our launch in Q1 2027.

- Host: expertaize
- Duration: 30 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/expertaize/demo-expertaize
- Event type id: 7678083

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7678083&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": 7678083,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- 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.