NO SWAGGER? NO PROBLEM! OpenAPI Made Easy in .NET 9

Summary

Starting with .NET 9, Swagger is no longer the default Open API package, requiring developers to integrate new alternatives. This analysis explores how to use Microsoft ASP.NET Core Open API, and integrates UI alternatives like Swagger UI, Redoc, and Swashbuckle with .NET Aspire. The takeaway is that while the default UI is gone, modern tools offer flexible ways to view and interact with API documentation.