Modern C# development is built on asynchronous code. But even seasoned developers often confuse await with Task.Run. While they both deal with tasks, their purposes are entirely different. Misusing one for the other can lead to performan...
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Why APIs Matter (and Why They Often Feel Slow) Web APIs are the backbone of most modern software systems. They connect mobile apps, web frontends, internal services, third-party integrations, and automation pipelines. If your API is fast...
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Introduction When building APIs, one of the most common challenges is dealing with duplicate requests. Imagine a user submitting an order, completing a payment, or triggering an important business operation. The request reaches the serve...
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Introduction When building modern backend applications, communication between services is a key aspect of system design. Most developers are familiar with REST APIs, which have been the standard approach for years. However, as systems gr...
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An idempotent REST API returns the same result no matter how many times a client repeats a request. In ASP.NET Core, you can implement it with idempotency keys: the client sends a unique key in a header, and the server caches the respons...
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If we are building microservices, we will eventually reach a point where we need to constantly know if our application is running and not suffering from any issues that might take it down. We could perform this check manually, but we wou...
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