# Quick Intro Call with OakWind Studio

> Not ready to dig into your accounts yet? Start here. Fifteen minutes, owner to owner, you tell us what you're trying to grow, we tell you straight whether we can help and how we'd approach it. If it's a fit, we'll line up a Live Audit to get into your actual numbers. If it's not, we'll point you in the right direction anyway.

- Host: OakWind Studio
- Duration: 15 min
- Location: Cal Video
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/oakwindstudio/15min
- Event type id: 5764798

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5764798&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": 5764798,
  "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.