Modern .NET API Pitfalls: Solving Common Design Mistakes for Scalable Backend Systems
Introduction: Why API Design Directly Impacts ScalabilityIn my 12 years of consulting with companies ranging from startups to Fortune 500 enterprises, I've consistently found that API design decisions made early in development become the primary constraint on scalability later. This article is based on the latest industry practices and data, last updated in April 2026. I've personally witnessed teams spending months refactoring systems that could have been designed correctly from the start with