An ODS user profile can contain an arbitrary number of online accounts from any service available. Only two main things are required: the name of the service and the service identifier.

For many services adding an online account will result in the user being able to log into their ODS account through that service (See user.authenticate.authenticationUrl() and user.authenticate.webid()). In order for this connection to work properly the online accounts need to be added in a special form (be aware that the connect action in the mentioned authentication methods allow to add online accounts automatically).

Deprecated

Adding online accounts without authentication is not allowed anymore. Please use user.authenticate.authenticationUrl instead.