When your iPhone app backend needs to send Apple Push Notifications, it must do this over raw SSL socket using Apple proprietary raw binary interface. Standard Web REST is not supported. This kind of sucks, because if your entire backend is web based you need to break that cleanliness with external HTTP to APN proxy. One option is to use services like Urban Airship, but you can also build the pro
![Apple Push Notifications with Node.js](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)