What do you get when you use APIs to mashup retail shopping, auctions, analytics, reviews and coupons? For the VC-funded startup Mpire, you get a very useful set of shopping tools, what they call a universal shopping experience.
Roll-your-own API service Usergrid has been acquired by API management company Apigee. Usergrid could potentially help Apigee reach out to mobile developers increasingly finding themselves needing APIs to interact with their apps. It's part of a trend of developers not only being API consumers, but also API providers--at least privately to their own apps.