Pluralsight tutorial. Building an API with ASP.NET Core. This is the article's code for reference, updated to work on .NET Core 3.x/
https://github.com/psauthor/CoreApiFundamentals https://app.pluralsight.com/library/courses/building-api-aspdotnet-core/table-of-contents
codecamp url if i need it: https://www.freecodecamp.org/news/an-awesome-guide-on-how-to-build-restful-apis-with-asp-net-core-87b818123e28/