# Buyer Question Review: 20-Minute Walkthrough with Lesli Rose

> A 20-minute video call about one of your products: the questions buyers ask before they purchase it, where your product page and one retailer listing leave those questions unanswered, and the three changes worth making first. Have the product page and one retailer listing open when we talk.

- Host: Lesli Rose
- Duration: 20 min
- Location: Cal Video
- Host time zone: America/Halifax
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/leslirose/buyer-question-review
- Event type id: 7524755

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7524755&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": 7524755,
  "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.