From VZ Developer Wiki
Klicke hier für die deutsche Version des Inhalts.
VZ-ID allows you to connect your site more tightly with your users and their social network.
At the moment we offer the following services. Further services will be provided in the future.
Let your users share a site with their friends through a feed item or a direct message. See Sharing for details.
Post to feed
Let your users post a custom message into their activity feed. See Post to feed for details.
Let your users set a badge on their profiles using this API Endpoint to post a badge. See PostBadges for details.