In its effort to "deliver a developer-centric platform", eBay today announced that it is making its image recognition technology available to developers through an Image Search API. The API gives developers the ability to implement image search functionality into their apps.
Microsoft has just announced the availability of the Microsoft Translator Hub for commercial use, including access to the Microsoft Translator API. Microsoft Translator Hub is built on Windows Azure, and provides tools for businesses to "build, improve, and deploy customized automatic language translation systems."
AISpeech is the API behind a Chinese language and pronunciation learning website, AIChinese. You may know that Chinese is a tonal language. Where tones and inflection are used in English to convey emotion or differentiate between a declarative statement and a question, in tonal languages like Chinese, different tones on the same syllable can be altogether different words. The AISpeech API gives you access to a language processing engine which is capable of detecting spoken words and evaluating if the appropriate tone is used.