# AI-RE – Cal.com booking page

> AI-RE (AI for Real Estate Developers) is a cutting-edge, AI-powered virtual assistant designed to streamline real estate project management, document handling, and AI-powered search. It provides instant access to project data, contracts, permits, legal documents, and financial reports while ensuring high security, automation, and efficiency.

Booking page: https://cal.com/aire-4w3xsi

## Event types

- [CARL Free demo](https://cal.com/aire-4w3xsi/carl-free-demo): 30 min, confirmed instantly, event type id 7104939. Details: https://cal.com/aire-4w3xsi/carl-free-demo.md
- [30 Min Meeting](https://cal.com/aire-4w3xsi/30min): 30 min, confirmed instantly, event type id 2074635. Details: https://cal.com/aire-4w3xsi/30min.md
- [15 Min Meeting](https://cal.com/aire-4w3xsi/15min): 15 min, confirmed instantly, event type id 2074634. Details: https://cal.com/aire-4w3xsi/15min.md

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=<event type id>&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

Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.com/docs/api-reference/v2/introduction