# Flowsery Demo call with Taras Shynkarenko

> See how Flowsery watches every user session, finds rage clicks, dead clicks, errors and drop-offs automatically, and ranks them by how many users they hit. We'll walk you through the session replay, the Slack and Linear alerts with steps to reproduce, and tag @flowsery live to open a draft pull request on GitHub.

- Host: Taras Shynkarenko
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Warsaw
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/taras-shynkarenko/flowsery
- Event type id: 5249495

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5249495&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": 5249495,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "company-website": "…",
    "what-are-you-hoping-to-solve": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `company-website` (company/website), `what-are-you-hoping-to-solve` (what are you hoping to solve?)
- Optional fields: `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.