There are a number of ways to discuss API popularity. Our metrics are based on developer engagement. The "track" functionality on ProgrammableWeb lets developers declare an interest in receiving updates on particular APIs. Which APIs and categories are seeing the most activity.
OnSIP has launched the OnSIP Network today, a signaling Platform-as-a-Service (PaaS) that provides API-enabled access to platform infrastructure that can manage WebRTC applications. ProgrammableWeb spoke with John Riordan, CTO of OnSIP prior to today’s launch.