Check out the ImageVision NuditySearch API.
Nudity Recognition - Nudity Filter for Images
EyeRecognize NSFW NuditySearch - Recognizing nudity is a highly complex problem. NSFW Nudity Search tackles this problem by recognizing anatomical attributes and determining if there is nudity or suggestive imagery in images. The service is useful for website or app owners looking to provide site safety, ad safety, and online profile verification. We provide 3 different settings of varying sensitivities depending on your tolerance for exposed skin (i.e. - lingerie and bikini).
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