WebPurify

WebPurify™ is an accurate and efficient profanity filter web service that can be easily integrated into any Internet enabled platform to monitor user generated content (UGC). With WebPurify, the profanity list and algorithm update automatically to maximize accuracy. In addition to scanning for profanity, users can also create a customized list of words to filter. Currently WebPurify filters profanity in English, Spanish, Arabic, Italian, French, German, Portuguese, Russian, Thai, Hindi, Japanese and Turkish with Chinese, Korean and Punjabi in beta. Free to try, paid service.
More information: http://www.webpurify.com/