pubsub via webhooks, or "twitter" for your applications Example: Create a channel: → POST /channels ← { 'id':'2d0128d' } Add subscribers: → POST /subscribers data={ 'channel':'2d0128d', 'url':'http://api.otherservice.com/your-message-handler' } ← { 'status': 'OK' } Post messages: you → POST /messages data={ 'channel':'2d0128d', 'message':'hey guys!' } us → POST http://api.otherservice.com/your-mes