# Free Intro Chat with Ryan Kirwan

> A relaxed 20-minute chat about where your running is at and how coaching could fit around your family life. No pressure, no obligation. Video call by default, or pick the phone option if that's easier. None of these times work? Email ryan@buildingbalance.com.au

- Host: Ryan Kirwan
- Duration: 20 min
- Location: Cal Video, Attendee phone number
- Host time zone: Australia/Adelaide
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ryan-kirwan-qh2imk/free-intro-chat
- Event type id: 6373600

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6373600&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": 6373600,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- 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.
- `location` is optional; without it the booking uses the event’s first location.