# Intro Call - Capa with Marino Espinal

> Hello! Looking forward to meeting you and discussing how we can work together in bringing great applications to Latin Americans. Any info that could help me prepare for the meeting is appreciated, see you soon! 👋🏼

- Host: Marino Espinal
- Duration: 20 min
- Location: Google Meet
- Host time zone: America/Mexico_City
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/marinoespinals/intro
- Event type id: 1426737

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1426737&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": 1426737,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "url": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `url` (Website)
- 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.