# Llamada informativa with GP Goldendog

> Quince minutos por teléfono para lo básico: disponibilidad, precios, cómo funciona la reserva y la entrega. Déjanos un número donde llamarte.

- Host: GP Goldendog
- Duration: 15 min
- Location: Attendee phone number
- Host time zone: Europe/Madrid
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/gpgoldendog/llamada
- Event type id: 7251468

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7251468&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": 7251468,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "privacidad": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `privacidad` (He leído y acepto la política de privacidad de GP Goldendog.

Tus datos se usan solo para gestionar esta cita. Más información en tucachorro.dog/privacidad)
- 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.phone` is the attendee’s own.