Need consistent request/response handling across all endpoints? Custom middleware creates reusable pipeline components. Custom Middleware for Global Exception Handling: // GlobalExceptionMiddleware.cs public class GlobalExceptionMiddleware { private readonly RequestDelegate _next; private readonly ILogger _logger; private readonly IWebHostEnvironment _env; public GlobalExceptionMiddleware( RequestDelegate next, ILogger logger, IWebHostEnvironment env) { _next = next; _logger = logger; _env = env; […]