# Llamada introductoria with Osvaldo Daniel Amador Salinas

> Cuéntame tu proyecto y vemos cómo puedo ayudarte. En esta llamada de 30 minutos: - Revisamos el alcance, los objetivos y los tiempos. - Identificamos riesgos técnicos y la mejor ruta (arquitectura, stack, cloud). - Definimos los siguientes pasos. Antes de la llamada, describe tu proyecto en el formulario para aprovechar mejor el tiempo.

- Host: Osvaldo Daniel Amador Salinas
- Duration: 30, 60 min
- Location: Google Meet
- Host time zone: America/Mexico_City
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/osvaldoamador.dev/llamada-introductoria
- Event type id: 7776277

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7776277&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": 7776277,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "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.
- `lengthInMinutes` picks one of 30, 60; pass the same value to the slots request as `duration`.