OPA Meets Standards: Building Verified Authorization Through AuthZEN Interop

Formal interoperability testing has become essential as authorization systems grow more complex and distributed across organizations. This article demonstrates how OPA, a widely-adopted policy engine, validates against the AuthZEN standard through dedicated verification infrastructure—a proven pattern already adopted by similar projects like Cerbos and Topaz. For enterprises building multi-system authorization architectures, such standardized compliance testing ensures seamless integration and eliminates compatibility risks across policy engines.