# 30 min meeting with Revenue Advisors

> For businesses doing $30k+ a month in revenue. Under $30k a month? Start here instead, with free AI resources and the waitlist: https://alberto-vision.vercel.app/free-ai-resources

- Host: Revenue Advisors
- Duration: 30 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/revenue-advisors/30min
- Event type id: 5273902

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5273902&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": 5273902,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "website": "…",
    "monthly-revenue": "…",
    "what-to-fix": "…"
  }
}
```

- Required fields: `name` (your_name), `email` (Email address), `website` (Your website), `monthly-revenue` (Monthly revenue), `what-to-fix` (What do you want fixed, and how soon?)
- Optional fields: `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.