# Your booking system — a quick call with Robert

> In 15 minutes, we map your current booking flow and I estimate the time — and the commissions — a custom system would save you. You'll leave with: • a clear picture of where you're losing time today • an estimate of recoverable costs (hours + platform commissions) • concrete next steps — no commitment No pressure, just answers.

- Host: Robert
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Toronto
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/jules-booking-engine/discovery
- Event type id: 5940972

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5940972&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": 5940972,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Type-of-business": "…",
    "how_reservation": "…",
    "irritant": "…",
    "consent": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `Type-of-business` (Type of business), `how_reservation` (How do you handle bookings today?), `irritant` ((Optional) Biggest frustration with bookings?), `consent` (I agree to receive SMS appointment notifications from Jules Bookings inc. By opting in, I agree to the [Terms and Conditions](https://www.julesbookings.com/terms) and [Privacy Policy](https://www.julesbookings.com/privacy).)
- Optional fields: `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.