# Demo with BuildShip

> Get a demo of BuildShip to understand the right fit for your business needs and usecase. If you are an existing user and looking for help, then consider one of the following options instead: In-app support form (fastest) Book Office Hours Discord Chat Support YouTube Channel for Walkthroughs

- Host: BuildShip
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Riyadh
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/buildship/demo
- Event type id: 582326

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=582326&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": 582326,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Company": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Work Email), `Company` (What is your company and role?), `notes` (How can we help? Tell us more about your use case)
- 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.
- A successful response is a pending booking request.