# Full-Day Lockout (12 hrs) with Xtrim Studios

> Lock out Xtrim Studios for the whole day, 11 AM to 11 PM (12 hours) with an engineer (Pro Tools Ultimate). 12 hrs at $75/hr = $900. A 50% deposit ($450) by Zelle secures your booking. Your session is confirmed by text once the deposit is received. Deposits are non-refundable for no-shows or cancellations, and the balance is due when your session is complete.

- Host: Xtrim Studios
- Duration: 720 min
- Location: Xtrim Studios, 5645 Hillcroft St, Houston, TX 77036
- Host time zone: America/Chicago
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/xtrimstudios/full-day-lockout
- Event type id: 7397740

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7397740&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": 7397740,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "agree-policy": "…",
    "notes": "…",
    "promo-optin": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Mobile number (we confirm by text)), `agree-policy` (I agree to the booking policy: a 50% deposit by Zelle secures my session, deposits are non-refundable for no-shows or cancellations, and the balance is due when my session is complete.)
- Optional fields: `notes` (About the project), `guests` (Add guests), `promo-optin` (Send me Xtrim Studios & 4reigner Music Group news, promos and session deals by email (optional, unsubscribe anytime).)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- A successful response is a pending booking request.