Sprechen Sie Deutsch? Apparently, Denver-based AlchemyAPI, the developer of semantic and natural language processing APIs does. AlchemyAPI said it has added German sentiment analysis to its services, allows its customers to identify positive and negative opinions within any document or web page, including those in German. AlchemyAPI provides a cloud-based, text analysis platform used by developers to extract entities, analyze sentiment, detect languages, and much more. The company provides natural language processing and other processing-intensive text analysis of documents via its cloud service.