AlchemyAPI Text Categorization API

AlchemyAPI provides content owners and web developers with a rich suite of content analysis and meta-data annotation tools. Expose the semantic richness hidden in any content, using named entity extraction, phrase / term extraction, document categorization, language detection, structured content scraping, and more.

This RESTful content analysis API categorizes any text or webpage by topic (news, sports, etc.). It employs machine learning and sophisticated natural language processing. Extracted meta-data may be returned in XML, JSON, RDF, and Microformats rel-tag formats.