The 500px Ruby Sample Code is available to learn how to consume the API when implementing resources. It includes consumer initialization, base URL, and OAuth access token to implement photo display and storage features.
It seems that photo applications, be it mobile or web, are making their presence felt via small but innovative ways in which they bring photographs together. Facebook is the largest photo sharing site available today and if you can somehow tap into that to create an interesting social experience, the results are bound to be dramatic, as Pixable’s Photofeed application has managed to do.
Each week we see dozens of mashups added to our mashup directory and often these use and combine APIs that go beyond the typical Google Maps mashup of old. This past week three of the more innovative ones go beyond just maps by using APIs from Netflix, MyBlogLog and Flickr. Here's a quick overview: