# Traffic →  Conversions →  Revenue — Demo w/ Ryze AI with Ryze Research

> If our calendar is booked out for the next few days — email hello@get-ryze.ai or text/WhatsApp +1 631 480 5598 (Ira, founder) and we'll do our best to squeeze you in!

- Host: Ryze Research
- Duration: 30 min
- Location: Google Meet
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://ryze.cal.com/hello/coffee-chat-w-ira
- Event type id: 4784200

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4784200&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": 4784200,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "smsReminderNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `smsReminderNumber` (Phone number (Text notifications))
- 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.