The SharpSquare .NET is a third party SDK that offers a simplified access to the FourSquare API. It is supported by the oAuth protocol. Resources include code example, authentication, and create a check-in usage examples. For additional info, contact authors @MicheleBertoli and @ufranchini
What's that song that begins "the night we met I knew I needed you so?" There are two new mashups that can help you find the answer to that--right now. Both use the MusixMatch API for lyrics search and present the results "instantly." We wrote about APIs fueling the instant frenzy in September, shortly after Google Ajax-ified its search. Including the two lyrics mashups below, we now list 22 instant mashups.