Careerjet offers code samples in Java, PERL, PHP, Python, .NET, and Ruby languages. These examples are available in the public search API site. Additional resources will include API modules in other languages, reason why Careerjet recommends to be prepared for new developments as updates are released to the public.
Eva, the Expert Virtual agent from Evature, is a natural language processing search utility that is open and available for incorporation in any travel website. It offers a natural language processing engine through its Evature Travel Search API, which is tuned to identify common travel parameters such as number of travelers, place names and locations, and fuzzy date ranges. Travel websites can then use these parsed information bits to search their system for matching flights, hotels, or travel packages.
The Google App Engine team has been consistently rolling out a new release every month recently. They have become so consistent in doing so, that new releases probably do not make that much of a splash. However, the team has pleasantly surprised everyone by delivering on one of the most requested features that developers had asked from their PaaS platform: Search. Yes, you read that right.