# Sergey Baus – Cal.com booking page > Practising robopsychology: how AI agents behave and how people work with them. Co-founder & CTO of Jupid. Indie products; open source on the side. https://www.sergeybaus.com Booking page: https://cal.com/sergey ## Event types - [30-minute call with Sergey](https://cal.com/sergey/30min-call): 30 min, confirmed instantly, event type id 7269909. A 30-minute Google Meet conversation. Please share briefly what you would like to discuss. Details: https://cal.com/sergey/30min-call.md - [Co-working](https://cal.com/sergey/co-working): 15, 30, 50 min, confirmed instantly, event type id 1602195. A 50 minute collaborative work session Details: https://cal.com/sergey/co-working.md - [15 Min Interview with CTO](https://cal.com/sergey/15-min-interview-with-cto): 15 min, requires the host’s confirmation, event type id 1726367. A quick call to determine whether we are a fit, and decide can we proceed to proper interview. Details: https://cal.com/sergey/15-min-interview-with-cto.md - [30-min consultation](https://cal.com/sergey/consult): 30 min, requires the host’s confirmation, paid, event type id 251741. This is an experiment in sharing knowledge - I dedicate few slots available each week where I aim to provide real value in solving your challenges, answering questions, or helping you move forward with your ideas. Format: 30-minute focused Google Meet consultation Share your intention or questions when booking to help me prepare After our session, you decide the contribution amount based on the value you received. No obligations. Whether it's about development, product building, or personal growth - I'll do my best to help What to expect: Practical insights and solutions drawing from my experience in development & tech (TypeScript, Next.js, AI, architecture), product building, team organization, personal growth practices, digital nomad life on Koh Phangan, and more. Value-based contribution: After our session, contribute what you feel the consultation was worth to you. You don't have to pay at all, if you don't feel comfortable for any reason, no explanation needed. Please note: I share from direct experience, not as an ultimate expert. All conversations are private and judgment-free. Details: https://cal.com/sergey/consult.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