Mastering HTTP Clients in C# — Build Resilient, High-Performance APIs

Mastering HTTP Clients in C# is a practical, story-driven ebook written by a developer who broke production more than once — so you don’t have to.

Inside, you’ll learn how to build resilient, performant HTTP clients using real examples and hard-earned lessons from modern .NET systems.

You’ll discover:

• ⚙️ How HttpClient really works under the hood
• 🚫 The hidden bugs that cause socket exhaustion and DNS staleness
• 💥 How to use IHttpClientFactory and Polly for automatic retries and circuit breakers
• 🔒 Authentication patterns using bearer tokens, API keys, and delegating handlers
• 🧠 JSON handling, cancellation tokens, streaming, and timeout best practices
• 📈 Real production patterns from distributed .NET apps

Each chapter includes runnable C# examples, performance insights, and debugging stories that show why certain patterns work better in real life.

Perfect for:

• ASP.NET Core developers
• Engineers writing REST clients or microservices
• Teams upgrading to .NET 8/10
• Anyone who’s ever seen “socket exhaustion” in production