The Privacy Shield API by zkMe leverages zero-knowledge proofs to enable third-party verification of sensitive data without exposing raw information. It incorporates end-to-end encryption for data in transit and at rest, with REST API integrations allowing compatibility across enterprise systems. The solution supports multi-party computation protocols to facilitate secure collaborative analysis on encrypted datasets while maintaining GDPR/CCPA compliance through granular consent controls. Additional features include real-time anomaly detection via machine learning models monitoring access patterns and immutable audit logs tracking all authentication attempts.