Advanced ASP.NET Core Middleware & APIs

Welcome to the series on Advanced ASP.NET Core Middleware & APIs. This collection of posts moves beyond the fundamentals to explore the sophisticated techniques required to build robust, scalable, and secure back-end services. We’ll dive deep into the request pipeline, craft powerful custom middleware for real-world scenarios, and architect APIs that are built to perform under pressure. If you’re ready to master the intricacies of ASP.NET Core, you’re in the right place.

Writing a Minimal Custom Middleware in ASP.NET Core

Middleware vs Filters: A Guide for Cross-Cutting Concerns

Dynamic CORS in ASP.NET Core for Multi-Tenant Apps

ASP.NET Core Centralized Security Headers Middleware Guide

Per-Request Tenant Resolution in ASP.NET Core Middleware

ASP.NET Middleware Order Pitfalls That Break APIs

Authentication vs Authorization in ASP.NET Core Middleware

Master ASP.NET Core Rate Limiting for Robust APIs

ASP.NET Core Logging with Correlation IDs via Middleware

Inject Request Data into Services via ASP.NET Core Middleware

Stream Responses in ASP.NET Core with Middleware

ASP.NET Core Cache: Middleware vs. Controller Showdown

Dynamic Feature Toggles in ASP.NET Core Middleware

ASP.NET Core Custom Request Validation Middleware

API Versioning in ASP.NET Core with Custom Middleware

Dynamic Connection Strings for Multi-Tenant ASP.NET Apps

Debug Multi-Tenant ASP.NET APIs with Custom Middleware

Consistent API Errors with ProblemDetails in ASP.NET Core

ASP.NET Core Middleware for API Audit Logging

Trigger Background Jobs from ASP.NET Core Middleware

ASP.NET Core Distributed Tracing with OpenTelemetry

22

Why Middleware is Best for ASP.NET Core Exception Handling Coming Soon

Oct 22, 2025

23

Extend Endpoint Metadata in ASP.NET Core Middleware Coming Soon

Oct 23, 2025

24

Stream Large Files in ASP.NET Core With Middleware Coming Soon

Oct 24, 2025

25

JWT Validation in ASP.NET Core Middleware (No Filters) Coming Soon

Oct 25, 2025

26

Fix ASP.NET Core Double Middleware Execution Issues Coming Soon

Oct 26, 2025

27

ASP.NET Core Multi-Tenant API Key Authentication Middleware Coming Soon

Oct 27, 2025

28

Boost API Speed with Response Compression in ASP.NET Coming Soon

Oct 28, 2025

29

Debugging ASP.NET Core Middleware with Diagnostics Tools Coming Soon

Oct 29, 2025

30

TL;DR: My Middleware Patterns Checklist for ASP.NET Core Coming Soon

Oct 30, 2025