Risk scoring

Add bot detection and fraud prevention to your app in 8 steps.

Castle provides a unified bot detection and fraud prevention platform that analyzes behavior across the user journey to combat credential stuffing, fake signups, and in-app fraud.

Castle's device fingerprinting combines client and server-side technologies for accurate identification, invisible to attackers and privacy plugins.

Machine learning-based risk scores for fraud and abuse detection.

Signals are key inputs to Castle's risk score calculation, exposed in API responses for transparent risk analysis.