Kastle raises $24M

Kastle announced a Series A round of $24M on 17 September 2026. The company operates in FinTech and is based in United States. It was founded by Rishi Choudhary, Co-Founder and CEO. Announced yesterday.

Raised
$24M
Stage
Series A
Industry
FinTech
Country
United States

Founder

Rishi Choudhary
Co-Founder and CEO, Kastle

Outreach angles

  • -Rishi Choudhary co-founded Kastle to build AI agents that work inside banks' existing legacy systems rather than replacing them.
  • -Kastle came up through Y Combinator, which returned as an investor in this round alongside Insight Partners and Commerce Ventures.
  • -The company's AI agents have already processed more than $1.8 billion in transactions ahead of this $24 million Series A.

Signals

Series AFinTechAI-NativeB2BEnterprise

Round details

Company: Kastle
Domain: kastle.ai
Amount: $24M
Stage: Series A
Industry: FinTech
Country: United States
Announced: 17 September 2026
Source: announcement

Other FinTech raises

Recently funded in United States