Go to http://StudyCoding.org/ to subscribe to the full list of courses and get source code for projects. What is a DTO (Data Transfer Object) and why should you use one? How to build web apps with C# and ASP.NET Complete Course Playlist https://www.youtube.com/watch?v=m8IuIoAlciM Index 0:00 Introduction 0:22 JSON data an REST API 1:00 DTO makes a data class more presentable by hiding sensitive data 2:20 Mapping and automapping from a class to a dto 3:00 Combine two classes by bundling properties into a single dto 4:15 DTO can provide a calculated data property 6:10 DTO can protect your api from breaking updates