It sounds like you want minimal APIs: https://learn.microsoft.com/en-us/aspnet/core/tutorials/min-web-api?view=aspnetcore-7.0&tabs=visual-studio https://learn.m

It sounds like you want minimal APIs: https://learn.microsoft.com/en-us/aspnet/core/tutorials/min-web-api?view=aspnetcore-7.0&tabs=visual-studio https://learn.microsoft.com/en-us/aspnet/core/tutorials/min-... If for some reason you don’t want the framework to handle things like routing or request/response deserialization/serialization then you can go bare bones and implement everything via custom middleware: https://learn.microsoft.com/en-us/aspnet/core/fundamentals/middleware/?view=aspnetcore-7.0 https://learn.microsoft.com/en-us/aspnet/core/fundamentals/m...