The complete reference of the REST API resources can be found in the specifications: https://github.com/ezsystems/ezpublish-kernel/blob/master/doc/specifications/rest/REST-API-V2.rst. This file is actually more up-to-date than this documentation, as it is used as a development spec / reference. One problem is that it references the whole API, which isn't actually completely implemented. Some resources are still being worked on, but you should have most of what you need.
A better overview of the real status will be added to this documentation soon.
Resources are grouped by chapters: Content, Content Types and User. In each of those chapters, you will first get an overview of the chapter, with a two dimensions table crossing every resource with every HTTP verb, and giving you a summary of the action.
Then throughout the chapter, grouped into sub-chapters, detailed documentation for every resource, with:
- The resource string
- The HTTP verb with override, if applicable
- A description of what this resource does
- Which headers are supported, and how to use them
- Which error codes can occur
- Most of the time, a request + response example