# Strategic Call — 30 min with Guillermo Issac Góngora Dorantes

> Esta llamada es para entender si hay un problema real que vale la pena resolver juntos. En 30 minutos identificamos dónde está el dinero que tu operación de ventas está dejando ir — y si tiene sentido trabajar en ello. No hay pitch. No hay propuesta genérica. Solo preguntas directas y un diagnóstico honesto. Trae números si los tienes: cierre actual, ticket promedio, tamaño del equipo.

- Host: Guillermo Issac Góngora Dorantes
- Duration: 30 min
- Location: Cal Video, Zoom Video
- Host time zone: America/Sao_Paulo
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/guillermo-issac-gongora-dorantes-dusgv4/30min
- Event type id: 5861712

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5861712&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": 5861712,
  "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.
- `location` is optional; without it the booking uses the event’s first location.