It's not that this API is available to App Store only apps, it is that it is available only if you have a signing key from Apple. That is because these APIs mak

It's not that this API is available to App Store only apps, it is that it is available only if you have a signing key from Apple. That is because these APIs make connections to Apple's server. It would make sense that Apple would, you know, not let just everyone into their server with every user's information. So, this post is blatantly misleading, and whoever wrote it should be ashamed.