C#advancedbackend

Minimal API Framework in C#

Minimal HTTP routing framework in C# (without ASP.NET) for a deep understanding of HTTP, middleware, and dependency injection.

5 stepsC# · .NET 8 · System.Net.HttpListener · System.Text.Json

Project steps

01
HTTP Listener
HttpListener that accepts connections and processes them asynchronously.
02
Router
Radix tree for pattern matching: GET /users/:id, wildcard, query params.
03
Middleware pipeline
Chain of responsibility: logging → auth → rate limit → handler.
04
DI Container
Simple dependency injection container with Singleton, Scoped, Transient.
05
Body parsing
JSON, form-urlencoded with model binding and attribute validation.

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Fork the repo on GitHub and start building. A mentor will review your code when you open a PR.

5 steps

Tech stack

C#.NET 8System.Net.HttpListenerSystem.Text.Json