What if your OpenAPI spec wasn't just documentation, but the actual configuration of your production gateway?

For years, API teams have lived with a quiet frustration: the gap between specification and reality. You write a beautiful OpenAPI spec. You configure your gateway (Kong, Tyk, AWS API Gateway) with routes, plugins, and security rules. And then… drift happens. A hotfix bypasses the spec. A plugin gets misconfigured. The documentation lies. The gateway behaves unexpectedly. The contract between frontend and backend fractures.

This isn't a people problem. It's an architecture problem.

Enter Barbacane , a spec-driven API gateway built in Rust that treats your OpenAPI (and AsyncAPI) specification as the single source of truth . No separate configuration files. No UI clicks that diverge from Git.…