== Identity Brokering APIs

{{book.project.name}} can delegate authentication to a parent IDP for login.  A typical example of this is the case
where you want users to be able to login through a social provider like Facebook or Google.  {{book.project.name}}
also allows you to link existing accounts to a brokered IDP.  This section talks about some APIs that your applications
can use as it pertains to identity brokering.