https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-web-api
This tutorial teaches the basics of building a web API with ASP.NET Core.
In this tutorial, you learn how to:
- Create a web API project.
- Add a model class and a database context.
- Scaffold a controller with CRUD methods.
- Configure routing, URL paths, and return values.
- Call the web API with Postman.
At the end, you have a web API that can manage "to-do" items stored in a database.