TCVS Extension — TTCU Technologies

Enables secure CORS-compliant communication between Corelation Keystone credit union systems and U.S. Treasury Check Verification Service. Seamlessly verify checks against the Treasury database without CORS restrictions. Essential for credit unions.

Overview

The TCVS Extension provides a secure bridge between credit union web applications and the U.S. Treasury's Check Verification Service (TCVS) API. By intelligently managing CORS headers, this extension enables Corelation Keystone systems to verify check information in real-time against the official Treasury database.

Requirements

• Firefox browser (Desktop or Android)
• Valid TCVS API subscription from U.S. Treasury
• Corelation Keystone or compatible credit union system