# El Despegue with Oscar Belisario

> Ideal para: Quien necesita configurar su estructura con supervisión física para garantizar que no hay errores técnicos ni de seguridad. Incluye: Diagnóstico de situación patrimonial. Diseño de tesis de inversión y planificación. Acceso a recursos digitales Setup de Seguridad Presencial Sesión de 3 horas - Presencial 2 sesiones de consultoría estratégica online. (30min c/u) Introducción a la Tesorería Corporativa.

- Host: Oscar Belisario
- Duration: 180 min
- Location: Se fijara lugar una vez confirmada la cita
- Host time zone: Europe/Madrid
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/oscar-belisario-fjnzbc/el-despegue
- Event type id: 4728817

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4728817&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": 4728817,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeeDefined",
    "location": "…"
  },
  "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.
- `location` is required: `location.location` is the attendee’s own.