# Free 20-minute second look with Richard Igbinoba

> Tell me about the part of your operation you want to improve, whether that is customer follow-up, payments, onboarding or the tools your team uses. We'll discuss what is happening now and whether a scoped Operational Opportunity Audit or a clearly defined implementation is a useful next step. The call is free. It is not a full audit, and there is no obligation to continue. Any paid work has its scope and price agreed before it starts.

- Host: Richard Igbinoba
- Duration: 20 min
- Location: Google Meet
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/flowthinkers/revenue-leak-diagnostic
- Event type id: 6197699

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6197699&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": 6197699,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "site-or-instagram": "…",
    "biggest-time-drain": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `site-or-instagram` (Your website or Instagram), `biggest-time-drain` (What's eating most of your time right now?)
- 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.