# Introduction with Martin Bonov

> Let's chat briefly and discuss how we can work together. This one will be all about you and your business. If you have a project overview, brief, scope of work, or anything else that will help us understand your business, please send it over in advance so we can make the best out of this meeting.

- Host: Martin Bonov
- Duration: 15, 30, 45, 60 min
- Location: Google Meet
- Host time zone: Europe/Sofia
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/kickflip/intro
- Event type id: 514266

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=514266&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": 514266,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is this meeting about?)
- 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 15, 30, 45, 60; pass the same value to the slots request as `duration`.