# Discovery call with Gleb with Gleb Gordeev

> A focused conversation on how AI can move the needle for your business. The goal of this call is to see if there is a right match.

- Host: Gleb Gordeev
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Makassar
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/glebgordeev/discovery
- Event type id: 4078240

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4078240&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": 4078240,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "job": "…",
    "ltv": "…",
    "notes": "…",
    "radio": "…",
    "time": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Work email), `job` (Job tittle), `ltv` (Revenue in 2025), `notes` (What challenges are you looking to solve?), `radio` (Which services are you interested in?), `time` (Timeline to start?)
- Optional fields: none
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.