Open APIs are hot. Developers can now choose from thousands of open APIs, with hundreds more released every month. Some of these APIs serve billions of calls per day. But the API universe is changing rapidly with new opportunities and challenges on the horizon. This session will help by taking an "API deep dive" and answering many of the key questions about the state of the open API market today: What are the key trends? Who are the API leaders? What are the business models? What are the key technology debates and issues? What strategies are working today and where should you look to see where this is headed?