The Europeana PHP SDK by Matthias Vandermaesen enables API communication to access European search. In particular, Europeana provides books, paintings, films, art, and archives from museums and libraries. Available installation, usage, and example.
For music, there's Pandora. For film, there's Netflix. And now for art, there's Art.sy. Art.sy is an online storehouse of fine-art images as well as an art appreciation guide. This start-up's mission is to make all the world's art freely accessible to anyone with an internet connection, and is aimed specifically at those already comfortable with browsing image-driven websites on monitors and tablets. The Art.sy API helps promote accessibility on a developer level.