Problem Details Demo

Web API endpoints

Use Swagger UI to explore various Problem detail responses from Web API endpoints

Try

More information

rfc7807 - official Problem Details spec
Source code for this demo
Hellang.Middleware.ProblemDetails Nuget library
Blog post demonstrating nuget library

MVC HTML endpoints

Confirm that exceptions / non-success status codes from HTML endpoints are NOT sent as Problem details responses

Try

Serving both HTML and JSON responses?

If yes, you will need to configure different exception handling middleware for each response type.

Example code:

    
    app.UseWhen(IsUIRequest, app2 =>
    {
        app2.UseExceptionHandler("/ui/home/error");
        app2.UseStatusCodePages();
    });
    app.UseWhen(IsNonUIRequest, app2 =>
    {
        app2.UseProblemDetails();
    });