The official eBay Java library can be found on the eBay SDK site, where resources include attributes, calls, and classes. This library helps to work with the SDK having the eBay Trading API in mind. Additional tools cover installation, authorization, and program application. eBay uses Eclipse open source software.
In response to much feedback from the developer community, Microsoft has revamped the Bing Search APIs with a long list of new features. Not only do the new features expand the possibilities for using Bing within an app, a modern architecture should streamline integration and ease maintenance.