# Discovery Call — VoxalFlow with James Stallwood

> Book a free 20-minute call with James at VoxalFlow. We'll dig into your business, and figure out what can be automated with AI. No pitch, no pressure, just an honest conversation about what's possible for your business.

- Host: James Stallwood
- Duration: 20 min
- Location: Google Meet
- Host time zone: Asia/Bangkok
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/james-gqy79x/discovery-call-voxalflow
- Event type id: 5604459

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5604459&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": 5604459,
  "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.