# FlowState call with FlowState

- Host: FlowState
- Duration: 30 min
- Location: Zoom Video
- Host time zone: Europe/Budapest
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/flowstate/flowstate-call
- Event type id: 894484

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=894484&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": 894484,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Company-name": "…",
    "Phone-Number": "…",
    "booking-confirmation": "…",
    "smsReminderNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `Company-name` (Company name), `email` (Email address), `Phone-Number` (Phone Number), `booking-confirmation` (95% of people who book a call either attend or let us know in advance if they need to reschedule. Can you confirm that you'll be available at the scheduled time or let us know if you need to reschedule?)
- Optional fields: `smsReminderNumber` (Phone number (Text notifications)), `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.