Public APIs is also a directory - you could now use the apis.json data to keep that directory info from getting stale. That's the point of the http://www.apisjson.org + search combination.

We know what prevents this from happening to public APIs: Music Labels Reach A New Low, Sue Developer For Using Seeqpod API http://techcrunch.com/2009/02/25/music-labels-reach-a-new-lo...