# Dashboard Demo with Marino Espinal

> Excited to connect and show you how our dashboard can supercharge your payments! You’re already on board, now let’s make your pesos flow like water. We’ll walk through key features such as; creating clients & transactions, analytics and more.

- Host: Marino Espinal
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Mexico_City
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/marinoespinals/dashboard-demo
- Event type id: 5103573

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5103573&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": 5103573,
  "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.