# Let's Automate - Free Consultation with Filip

> This call is designed to help you decide which service you need and to show you how that service can help you grow. In order to fully immerse yourself, we've added a requirement of pen and paper or a blank document on your computer to take notes. This is not a joke! This meeting will be a deciding factor on if you'll grow fast or be left behind.

- Host: Filip
- Duration: 45 min
- Location: Google Meet, Cal Video, Zoom Video
- Host time zone: Europe/Belgrade
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/itsfi1ip/free-consultation
- Event type id: 3216700

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3216700&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": 3216700,
  "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.