Many Web API designers claim their are RESTful, but their APIs have little in common with REST. What can be done to make a web service API truly RESTful?

The key difference between the terms REST versus RESTful is that REST refers to a philosophy about the architecture and design of web services, while the term RESTful refers to any API that properly ...

Microsoftが「RESTful」なAPIを作成するためのガイダンスを公開した。Roy Fielding氏は、そのAPIを (RESTとほとんど関係ない) HTTP APIと見なしている。

Developers use application programming interfaces to hide complexity, organize code, design reusable components, and connect different systems, applications, or services.