# Discovery Call with Josh Will

> This is your discovery call with Josh from Kustom Kinections. We'll review your onboarding questionnaire, dig deeper into your business, and map out exactly what your AI system will look like. Before this call, please make sure you've: • ✅ Completed your onboarding questionnaire • ✅ Been as detailed and honest as possible in your answers The more thorough your questionnaire, the more productive this call will be. Come with questions — this is a conversation, not a presentation. Talk soon. — Josh

- Host: Josh Will
- Duration: 60 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/kustom-kinections/discovery-call
- Event type id: 5031081

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5031081&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": 5031081,
  "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.