In the modern API economy, managing APIs goes beyond publishing endpoints β itβs about enforcing consistency, compliance, and trust across the enterprise. By aligning OpenAPI 3.1 with Kong Gateway and Policy-as-Code principles, organizations can transform static API definitions into living governance assets. This approach automates version control, enforces authentication and rate-limiting at scale, and embeds compliance checks directly into CI/CD pipelines using tools like decK, Spectral, and GitOps. The result: a self-governing API ecosystem that unites design, policy, and runtime in one continuous lifecycle.