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Kastle

Kastle builds AI voice agents and an AI operating system for consumer lending, automating borrower calls for mortgage servicers and lenders with regulatory compliance built in.

Kastle develops AI voice agents for consumer lending, beginning with mortgage. Its platform - described as an operating system for the sector - is built to automate high-volume borrower phone interactions for mortgage servicers and lenders, with regulatory compliance designed into the workflows. The technical work spans conversational AI, speech AI, automation and compliance technology applied to financial services software.

The product line comprises a general AI Voice Agent Platform alongside specialised agents for servicing, collections, loss mitigation and compliance, plus assistants for loan officers. The system handles calls from loan inquiry through to payoff and integrates with major loan servicing systems, including ICE MSP. It runs around the clock and is reported to reduce operational costs by up to 80%, reaching millions of borrowers.

Kastle states that its platform is the most deployed AI voice agent platform in the mortgage industry. Customers include FDIC-insured banks and Independent Mortgage Banks. The company is backed by Y Combinator and Commerce Ventures.

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