# Discovery Call with Andrew HoChoy | Webspenser

> Not sure if Webspenser is the right fit? This 20-minute call is where we find out. No pitch — just an honest conversation about where your business is today, what's slowing it down, and whether AI is the right next move

- Host: Andrew HoChoy | Webspenser
- Duration: 20 min
- Location: Zoom Video
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/webspenser/discovery-call
- Event type id: 4318308

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4318308&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": 4318308,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "business_area": "…",
    "plan": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `attendeePhoneNumber` (Phone number), `business_area` (Where's your biggest bottleneck right now?), `plan` (What service are you interested in?), `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.