The CityGrid Ruby SDK by CityGrid provides installation, configuration, and sessions as part of the resources included on GitHub. Although still in development, author recommends to use the latest development. To start, obtain a publisher code at http://developer.citygridmedia.com/
When Microsoft launched their much-touted new search engine Bing last week it generated a lots of press and despite a somewhat muted expectations, it turned-out to be something of a hit. But lost in all the broader buzz about Bing was some news for developers: Bing has an API (we've now added a new Bing API Profile with technical details).
Although you may not realize it on the surface, DevHub, the free site builder and hosting platform, is effectively a very sophisticated mashup using over 40 different external APIs. The Seattle-based startup, now with 10,000 site publishers who've built over 100,000 sites, have recently launched a major upgrade with new site editing tools, more content (API) partners, and new monetization tools. Their core offering takes data from APIs and other content sources as a way for niche publishers quickly create content-rich sites along with built-in monetization options: