Enabling Collaborative Editing in Confluence 6.x is a must to be able to use the Rest APIs to Add or Update a Page
If you come a cross the below error when trying to add a page to Atlassian Confluence 6.x: Unable to save changes made outside the editor to ContentId while collaborative editing is disabled confluence api That means your Collaborative Editor is disabled, you need to enable the Collaborative Editing in case you need to run the APIs. If you are running Confluence behind a reverse proxy , what you need to do is to use Confluence internal proxy, this could be done by adding the below to line to Confluence Service: -Dsynchrony.proxy.enabled=true Then restart the service. To learn how to configure system properties click here