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."
DeepL has announced the launch of DeepL Pro, a fee-based subscription service for language translation. DeepL Pro includes an enhanced web translation service, a RESTful API for developers, and a software plug-in for translators. Texts and translations sent to DeepL are never stored.