Loop Server

Goal of the Service

Loop server allows firefox users to call each others via WebRTC. It is a rendezvous API built on top of an external service provider for NAT traversal and supplementary services.


  • The Loop Server supports BrowserID authentication using FxA certificates and MSISDN certificates. It uses it on the /register endpoint to create an Hawk session.
  • All servers are time-synced
  • The Loop server keeps a white list of origins that can do Cross-Origin resource sharing.