This week, we had 52 new APIs added to our API directory including a music information site, a PassBook passes building & management service, and a financial trading platform. We also discussed APIs, caching, and data delivery.
Amazon App Store now supports charging for HTML5 web apps, new promotion opportunities. One Roof Energy heats up API library for managing solar installations. Plus: Startupbus announces API contest, how to enable and monetize the app economy, and 10 new APIs.