The LocalBitcoins Go SDK by Zach Latta allows to integrate the search of bitcoins via API by locating possible sellers and buyers. Authentication is available at https://localbitcoins.com/api-docs/#toc1
Talk to developers about their cache of great domain names and these days you're likely to find a few Dot IOs in the mix. The ProgrammableWeb directory tracks the growth of this TLD, where the .io stands for Indian Ocean, not input/output. No matter, APIs and other developer-oriented services have made the domain extension popular, with nearly 100 APIs in the directory hosted on .io domains.
For developers planning to incorporate route optimization in applications, it's helpful to know how to choose a routing API. Here the RouteSavvy team offers the top six tips for choosing a routing API and a case study of how the RouteSavvy API was integrated into a floral delivery software system.
Our API directory now includes 39 answers APIs. The newest is the SlimSurveys API. The most popular, in terms of mashups, is the Yahoo Answers API. We list 28 Yahoo Answers mashups. Below you'll find some more stats from the directory, including the entire list of answers APIs.