# ZenLeadr Demo with Matteo Merola

> ZenLeadr demo.

- Host: Matteo Merola
- Duration: 30 min
- Location: Cal Video
- Host time zone: Europe/Amsterdam
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/mattmezza/zenleadr-demo
- Event type id: 73832

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=73832&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": 73832,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "organization-name": "…",
    "position": "…",
    "organization-size-approx": "…",
    "what-s-the-biggest-problem-you-re-facing-that-you-hope-zenleadr-can-help-you-with": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `organization-name` (Organization name)
- Optional fields: `position` (Position), `organization-size-approx` (Organization size (approx.)), `what-s-the-biggest-problem-you-re-facing-that-you-hope-zenleadr-can-help-you-with` (What's the biggest problem you're facing that you hope ZenLeadr can help you with?), `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.
- A successful response is a pending booking request.