Launch the Visual Studio 2022 IDE. Click on “Create new project.” In the “Create new project” window, select “ASP.NET Core Web API” from the list of templates displayed. Click Next.

API keys are unique identifiers that are passed in the request header on each call to the API. The following code snippet shows how you can validate an API key in an ASP.NET Core 7 application.

Practical .NET Logging in .NET Core .NET Core provides a framework that logging systems can be snapped into. However, what's most important about this framework is how you write your messages out.