# Llamada gratis de 15 minutos with Amy Chambers

> Una videollamada corta por Google Meet para hablar de lo que necesitas, de tu nivel de inglés más o menos y de qué horarios te vienen bien. Es gratis y no te compromete a nada. ¿Reservas para un menor de 18 años? Reserva tú la llamada como su madre, padre o tutor legal y participa en ella.

- Host: Amy Chambers
- Duration: 15 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/amychambers/llamada-inicial
- Event type id: 7822264

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7822264&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": 7822264,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.