Debugging and Error Handling in ASP.NET Core Web API
Production APIs fail—and how you handle those failures separates junior developers from reliable engineers. This course teaches you debugging strategies and error-handling patterns that prevent silent failures, improve observability, and save your team hours of firefighting. You’ll move beyond try-catch blocks to implement resilient, maintainable APIs.
AIU.ac Verdict: Essential for backend developers building or maintaining ASP.NET Core APIs who want to ship robust code without constant production incidents. The 1h 49m duration is lean and practical, though you’ll need solid C# and Web API fundamentals to extract full value.
What This Course Covers
You’ll explore debugging tools native to Visual Studio, breakpoint strategies, and how to read stack traces effectively. The course covers exception handling patterns, custom error responses, logging best practices, and middleware-level error interception—all critical for APIs that need to fail gracefully and communicate issues clearly to clients.
Nertil walks through real scenarios: handling validation errors, managing timeouts, implementing retry logic, and structuring error responses that clients can actually use. You’ll learn when to catch exceptions, when to let them propagate, and how to design error responses that don’t leak sensitive information while remaining useful for debugging.
Who Is This Course For?
Ideal for:
- Backend developers building ASP.NET Core APIs: You’re shipping APIs to production and need to handle edge cases, timeouts, and unexpected failures without creating technical debt.
- C# developers transitioning to Web API development: You understand the language but need guidance on API-specific error handling patterns and debugging workflows.
- Junior to mid-level engineers improving code quality: You’re ready to move beyond basic exception handling and implement patterns that reduce production incidents.
May not suit:
- Complete beginners to C# or .NET: This assumes you’re comfortable with C# syntax, OOP basics, and HTTP fundamentals. Start with ASP.NET Core fundamentals first.
- Frontend or non-API developers: The content is API-specific; if you’re building UI or working outside the .NET ecosystem, this won’t transfer directly.
Frequently Asked Questions
How long does Debugging and Error Handling in ASP.NET Core Web API take?
1 hour 49 minutes. It’s designed as a focused, practical course you can complete in a single session or break into two sittings.
What do I need to know before starting?
You should be comfortable with C# fundamentals, understand HTTP status codes, and have basic experience building or consuming APIs. Prior ASP.NET Core exposure is helpful but not mandatory.
Will I get hands-on practice?
Yes. Pluralsight courses include interactive labs and sandboxes where you can apply debugging and error-handling techniques in real code.
Is this course still relevant for .NET 8 and beyond?
Absolutely. Debugging principles and error-handling patterns are stable across .NET versions. The core concepts taught by Nertil remain current and applicable.
Course by Nertil Poci on Pluralsight. Duration: 1h 49m. Last verified by AIU.ac: March 2026.


