Fundraising Fox

Kastle

YC S24

San Francisco, US · Founded 2024 · 10 employees · Hiring · 2 known investors

Kastle builds AI voice agents for consumer lending and loan servicing, automating high-volume phone calls, payments, and borrower inquiries for FDIC-insured banks and mortgage lenders. The platform integrates with existing contact center systems and includes compliance engines pre-trained on lending regulations like FDCPA and RESPA.

Also known as Conversion Pilot

AI & Machine LearningEnterprise SoftwareFintechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S24)

Kastle was founded in 2024 by Rishi Choudhary and Nitish Poddar.

RCRishi Choudhary
Rishi Choudharyin𝕏Co-Founder and CEOPreviously, he was founding product manager at Redfin, where he led the Mortgage Marketplace and Search Experience teams. He holds a BS in Systems Engineering from the University of Illinois at Urbana-Champaign.
NPNitish Poddar
Nitish PoddarinCo-Founder and CTOHe previously served as a tech lead at Verkada, where he oversaw development of a motion search system, built backend inference infrastructure, and led teams responsible for firmware delivery and incident management products; he holds a Computer Science degree from UIUC.

Investors · 2

Y CombinatorSan Francisco · $500K
Commerce VenturesreportedSan Francisco · $1M – $5M

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Competitors · 1

by search overlap
Kastle Systems17 shared keywordsKastle provides managed physical security services combining cloud-based access control, video surveillance, and visitor management for commercial real estate and multi-location businesses. It offers 24/7 monitoring, real-time alerts, and an open platform that integrates with existing systems.

Companies competing with Kastle for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Kastle Systems buys stake in Sterling, Va.’s i2G Systems, its biggest-ever investment - WTOP Newswtop.com · Mar 2025Kastle Systems Makes Strategic Investment in i2G Systems, Strengthening Leadership in Serving High-Security Industries and High-Value, Large Scale Facilitieskastle.com · Mar 2025Kastle Raises $2.3M Seed Round to Revolutionize Mortgage Workflow Automation | Signalbasetrysignalbase.com · Mar 2025Kastle - AI servicing for mortgage lendingycombinator.com · Aug 2024

Frequently asked questions

What does Kastle do?
Kastle builds AI voice agents for consumer lending and loan servicing, automating high-volume phone calls, payments, and borrower inquiries for FDIC-insured banks and mortgage lenders. The platform integrates with existing contact center systems and includes compliance engines pre-trained on lending regulations like FDCPA and RESPA.
Who founded Kastle?
Kastle was founded by Rishi Choudhary, Nitish Poddar in 2024.
Who are Kastle's investors?
Kastle's investors include Y Combinator, Commerce Ventures.
Where is Kastle headquartered?
Kastle is headquartered in San Francisco, US.