The Petfinder Python SDK by Greg Taylor allows to access API data to implement animal search features into applications. Full documentation includes key access, shelter query, and pet search. Greg ads find homes for the pets in his TODO.
In response to much feedback from the developer community, Microsoft has revamped the Bing Search APIs with a long list of new features. Not only do the new features expand the possibilities for using Bing within an app, a modern architecture should streamline integration and ease maintenance.