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Kastle

Kastle

Kastle provides AI agents that automate loan servicing, collections, and origination for banks and mortgage lenders.

Operating headquarters
San Francisco, CA, US🇺🇸
Founded
2024
Accelerator
Y Combinator logoY CombinatorS24
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Contents

  1. 01Products & Services
  2. 02Market Outlook
  3. 03Competitive Strengths
  1. 01Products & Services
  2. 02Market Outlook
  3. 03Competitive Strengths

Product Overview

Kastle is an applied AI company building AI agents for consumer lending operations. Its platform, KastleOS, automates borrower-facing work across mortgage servicing and origination for US banks, independent mortgage lenders, and loan servicers.

The agents handle payment collection, escrow and servicing inquiries, collections outreach, and pre-approval or qualification conversations over voice, SMS, email, and chat. Kastle positions the platform as operating inside the servicing and contact-center systems lenders already run, with compliance checks and call scoring built into each interaction.

Source: kastle.ai

Market Outlook

Mortgage origination and servicing remain labor-intensive, with heavy call volumes across payments, escrow, collections, and borrower inquiries. Lenders face pressure to reduce servicing costs while maintaining regulatory compliance and service quality.

AI agents are moving from answering borrower questions toward executing work inside core servicing systems. Kastle's integration with ICE MSP reflects that shift, letting servicers adopt automation without replacing the systems of record that hold their loan data.

Source: kastle.ai

Competitive Advantages

Kastle differentiates through a compliance engine trained on consumer-lending regulation, including FDCPA, TILA, RESPA, TCPA, and UDAAP requirements. That regulatory layer is designed to let its agents complete transactions inside lender systems rather than only answer borrower questions.

The platform also emphasizes explainability: AI responses carry reasoning, and calls are scored against a lender's quality framework. Direct integrations with core servicing and origination systems, including ICE MSP, Encompass, Empower, Genesys, and NICE, let lenders deploy automation without replacing existing infrastructure.

Source: kastle.ai