# Terminus Systems – Cal.com booking page

> Terminus Cognitive Systems is an AI consulting firm that designs and deploys production-grade voice agents, retrieval systems, and automation pipelines for service businesses and integrators.

Booking page: https://cal.com/terminus-systems

## Event types

- [AI Receptionist Demo](https://cal.com/terminus-systems/ai-receptionist-demo): 15 min, confirmed instantly, event type id 3503211. See how our AI receptionist answers calls 24/7, recognizes guests, books and reschedules appointments, and frees up your front desk staff. A short live demo with time for your questions. Details: https://cal.com/terminus-systems/ai-receptionist-demo.md
- [30 Minute Chat](https://cal.com/terminus-systems/30-minute-chat): 30 min, confirmed instantly, event type id 3483998. Let's explore how our team can assist you with your AI needs and challenges Details: https://cal.com/terminus-systems/30-minute-chat.md
- [1 Hour Discussion](https://cal.com/terminus-systems/1-hour-discussion): 60 min, confirmed instantly, event type id 3484005. Let’s tackle your AI challenge and explore practical solutions together. Details: https://cal.com/terminus-systems/1-hour-discussion.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