Vercel helps you create multi-tenant platforms, where a single project can be backed by tens of thousands of domains, like vibe coding platforms , website builders, e-commerce storefronts and more. We're making it even easier to build those styles of apps today by introducing dynamic URL prefixes. Dynamic URL prefixes allow you to prefix your existing deployment urls with {data}--- , for example tenant-123---project-name-git-branch.yourdomain.dev This will route the traffic to project-name-git-branch.yourdomain.dev while keeping tenant-123--- in the url which your app can extract and route based on it. Previously, preview URLs were designed to match a specific preview deployment exactly and Vercel wouldn’t have enough information to route domains to a specific preview deployment.…