Note: This repo is for ASP.NET MVC 5.x, Web API 2.x, and Web Pages 3.x. For ASP.NET Core MVC, check the AspNetCore repo. ASP.NET MVC is a web framework that gives you a powerful, patterns-based way to ...

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. This HTTP request smuggling bug (CVE-2025-55315 ...

OpenAI has recently launched its Responses API, a sophisticated toolset designed to enhance the capabilities of AI agents. This innovative offering integrates features such as web search, file search, ...

Building an API with ASP.NET Core is only half the job. If your API is going to live more than one release cycle, you're going to need to version it. If you have other people building clients for it, ...

Take advantage of authentication and authorization, API keys, rate limiting, CORS, API versioning, and other recommended practices to build secure and robust APIs in ASP.NET Core. Because our APIs ...

The so-called puss caterpillars have sharp spines that can inject powerful venom into humans. University of Queensland Asp caterpillars spend most of their time innocently crawling along the branches ...

Take advantage of API key authentication to control the access of applications and services to your Web APIs in ASP.NET Core. There are several ways to secure your APIs in ASP.NET Core 7. You can use ...

In the new .NET 8 Preview 3, Microsoft introduced initial support for native Ahead-of-Time (AOT) compilation in the framework's web-dev component, ASP.NET Core. While choosing the AOT publishing ...