# AtlaSent demo: your first protected action with Betty C. Chen

> A 30-minute live demo built around the request you just sent. We'll show AtlaSent gating the action you want to protect, such as a production deploy, a payment release or an AI agent's tool call: who has to approve it, how anything unapproved is blocked, and the signed receipt every decision leaves behind. You'll leave with a concrete first-use plan and the fastest path to running it: free sandbox, pilot, or paid plan. Please don't bring passwords, API keys, or regulated data. We don't need them for the demo.

- Host: Betty C. Chen
- Duration: 30 min
- Location: Zoom Video
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/atlasent/discovery
- Event type id: 5129729

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5129729&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": 5129729,
  "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.