Questions on Hippo API coding

Experience Manager (PaaS/OnPrem)
1
  1. What APIs exist around content consumption?
  2. How can we integrate a single sign-on capability with our system? Does Hippo possess this functionality.
  3. Is there an API to post, put, get and delete?
  4. Is there a rating functionality API?
  5. Is there an API to return all content for a category or keyword?
  6. Is there an API for bookmarks in the CMS?
2

We have support for rest:

You’ll have to build on existing api’s, but it shouldn’t be difficult

no

3

Also check the HAL Content Api. Very flexible and easy to extend.