In this article ADO.NET Data Services platform was observed which allows us to build web services in REST style conveniently. It is important to notice that creation of such web service does not depend on the size of a data model and is very simple. Following these simple steps to create a web service, you can get great functionality. Moreover, ADO.NET Data Services allows you to control access at an entity level, set the security rules, organize flexible tune a service, etc.  Thus, ADO.NET Data Services is a powerful platform to create web services which allow us to work with data. And all this power can be already used today in real projects.