Versioning APIs Overview Implement API versioning strategies -- URL path ( , ), header-based ( ), or query parameter ( ) -- with backward compatibility layers, deprecation notices, and automated migration paths. Manage concurrent version support, sunset timelines, and breaking change detection across the API surface. Prerequisites - Existing API codebase with route definitions and controller implementations - Version control history for tracking breaking changes across releases - OpenAPI specs for each supported API version (or ability to generate them) - API gateway or reverse proxy capable…