As we witnessed in previous chapters, because Drupal includes a HAL-compliant REST API out of the box with minimal configuration, it is easy to provision a web service API that developers can use to consume content entities and manipulate them from consumer applications. In Chapter 7, we exposed content entities as REST resources, employed Entity Access to manage permissions, and configured the serialization formats and authentication methods to be used in the core REST API. Now it’s time to retrieve and manipulate those data as a consumer.
Fortunately, if you are already familiar with other REST APIs, ...