# Website call with Lucas with Luke

> Fifteen minutes. You tell me what the site needs to do for the business, I tell you straight whether the More-Customers Site is the right build and when I can start. No pitch, no obligation.

- Host: Luke
- Duration: 15 min
- Location: Link meeting
- Host time zone: Australia/Perth
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/askluke/website
- Event type id: 6778547

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6778547&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": 6778547,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "website": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `website` (Your current website (or none yet)), `notes` (What should the site be doing for you?), `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.