Vercel's CDN now supports updating routing rules without a new deployment (opens in new tab)

**Published:** March 5, 2026 | **Authors:** Mark Knichel, Andrew Gadzik, Yash Kothari, Hannah Hearth, Priyanka Jindal --- You can now create and update routing rules within a project, such as setting response headers or rewrites to an external API, without building a new deployment. Project-level routing rules are available via the dashboard, API, CLI, and Vercel SDK and take effect instantly after you make and publish the change. Project-level routes run after bulk redirects and before yo...