Query Facebook for what version of the Graph API is being used / can be used
I'm the author of a Wordpress plugin that leverages the Facebook Graph API. Recently, some Graph calls are failing for new plugin users (only new users are affected). After some digging, I believe I've stumbled on the cause here: https://developers.facebook.com/docs/apps/versions In particular, the section "Can my app make calls to versions older than the current version?" states: An app can make calls to the version of the API that was the latest available when the app was created In other words, even if my Graph calls specify an explicit version (i.e. https://graph.facebook.com/v2.0/me ),