# Business tax consultation (20 min) with US UK Expat Tax

> A paid 20-minute video call about US and UK tax for your company or business (businesses only). The fee is paid when you book and is standalone, not credited to later work. Please add a short summary of the business, your question and the years involved. Times are shown in your local time; we are based on UK time.

- Host: US UK Expat Tax
- Duration: 20 min
- Location: Cal Video
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/usukexpattax/business-consultation
- Event type id: 7824094

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7824094&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": 7824094,
  "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.