# 15-Minute Music Business Consult with Mark Lavengood

> 15 minutes, one-on-one with Mark Lavengood of Bear Mark Productions. Bring one question, leave with a plan. Booking, recording at The Bear Den, live event production, gear, or growing your music business. Pick a time, pay $50, and you're confirmed instantly with a video link in your inbox.

- Host: Mark Lavengood
- Duration: 15 min
- Location: Cal Video
- Host time zone: America/Detroit
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/marklavengood/consult
- Event type id: 7358945

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7358945&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": 7358945,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What's the one question you want answered?)
- 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.