# Business Diagnostic Enquiry (20 minutes, Free) with Angela Brisbane

> An introductory conversation about your business operations and whether a Business Systems & AI Opportunity Diagnostic would be appropriate. We'll discuss the challenges you're experiencing, your current systems and what you'd like to improve. This call helps establish the scope of a potential assessment. The full Business Diagnostic is a separate paid engagement, starting at US$1,250.

- Host: Angela Brisbane
- Duration: 20 min
- Location: Cal Video
- Host time zone: Australia/Sydney
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/angela-brisbane-ydagci/secret
- Event type id: 7866545

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7866545&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": 7866545,
  "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.