# Assessment Call with Malte Thiele

> This call is a simple, no-strings-attached way to explore what an interactive demo could do for you. We'll spend our time focused entirely on your product, where I'll help you pinpoint the single biggest opportunity on your site to turn complexity into conversions. You'll leave with a clear mini-roadmap you can use immediately. Zero obligation to work with me. It’s all value, no pressure.

- Host: Malte Thiele
- Duration: 30 min
- Location: Google Meet, MS Teams
- Host time zone: Europe/Berlin
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/maltethiele/free-strategy-session
- Event type id: 2060286

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2060286&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": 2060286,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "Website": "…",
    "Your-Biggest-Challenge": "…",
    "Your-Goal": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `title` (Your Product), `Website` (Your Product Website (if it exists)), `Your-Biggest-Challenge` (Your Biggest Challenge), `Your-Goal` (What You Hope to Achieve), `attendeePhoneNumber` (Phone), `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.
- A successful response is a pending booking request.