The Google Glass SDK allows to create personalized information with the goal to be perceived on Google Glass. The Google Mirror API is associated with this SDK that contains user interface, patterns, style, and glassware flow designer as the main resources available on the site. Google recommends 4 principles when designing for Glass: don't get in the way (of user experience), keep it relevant, avoid the unexpected, and build for people.
Eleven APIs have been added to the ProgrammableWeb directory in categories including Wearables, Customer Service, Financial and Jobs. Highlights include the Capital One Customer Transactions API, which allows customers to view their credit card information within a third-party application.