# Harbor Answer - Free trial setup call with Roy Alter

> We’ll walk through getting your AI phone receptionist live—usually same day after this call. Bring your business number and the Google (or other)Calendar you want bookings on. We’ll answer questions, then you can start your 5‑day free trial ($247/mo after that, no contract, cancel anytime). Questions before you book? Email roy@harboranswer.com

- Host: Roy Alter
- Duration: 15 min
- Location: Phone call
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/harbor-answer/harbor-answer-free-trial-setup-call
- Event type id: 5483028

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5483028&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": 5483028,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Business-name": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `Business-name` (Business name)
- Optional fields: `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.