# Vikrant Chauhan – Cal.com booking page > Every startup starts with an idea, few make it into a reality. At Vanixqbit, we build, market, and scale revenue driven products that last. Booking page: https://cal.com/vanixqbit ## Event types - [Book a Qdroid's Demo](https://cal.com/vanixqbit/qdroid-demo): 30 min, confirmed instantly, event type id 6964307. Welcome to Qdroid by Vanixqbit. This 30-minute session is dedicated to help the business owners and merchants to understand what the platform is, and how it can help them to grow their business. Our expert will help the owners to give a walk through on live stores and show the end to end flow. Note: if required this call can be extended. Details: https://cal.com/vanixqbit/qdroid-demo.md - [30 min meeting](https://cal.com/vanixqbit/30min): 30 min, confirmed instantly, event type id 4758567. Welcome to Vanixqbit. This 30-minute session is dedicated to requirement gathering, product planning, and strategic discussion. We’ll align on goals, explore ideas, and understand how we can support your business with the right product direction, execution approach, and collaboration. Details: https://cal.com/vanixqbit/30min.md - [15 min meeting](https://cal.com/vanixqbit/15min): 15 min, confirmed instantly, event type id 4758568. Welcome to Vanixqbit. This quick 1:1 session is for a brief introduction to what we do and how we can contribute to your business goals. Book a slot and join in for a focused, no-pressure conversation to explore potential collaboration. Details: https://cal.com/vanixqbit/15min.md ## Check availability ```http GET https://api.cal.com/v2/slots?eventTypeId=&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone= cal-api-version: 2024-09-04 ``` The response is `{"data":{"YYYY-MM-DD":[{"start":""}]}}`; 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