# Free Market Assessment with Brit International

> An introductory consultation to discuss your business, commercial objectives and opportunities for growth. We will explore potential opportunities across sales development, customer acquisition and international market expansion, identifying how Brit International Ltd can support your business in achieving its growth ambitions.

- Host: Brit International
- Duration: 30 min
- Location: Zoom Video
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/michael-zain-sydpaz/30min
- Event type id: 7833486

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7833486&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": 7833486,
  "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.