{"slug": "anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s", "title": "Anthropic announces watermark detection API that will let third parties detect Claude's AI texts", "summary": "Anthropic announced a watermark detection API that will let third parties detect text written by its Claude AI, building on Google's SynthID method by tweaking word-selection randomness without affecting text quality. The approach has limits with fact-heavy text, code, and heavy rewriting.", "body_md": "Anthropic will soon offer a watermark detection API that lets third parties check whether text was written by Claude. The technology builds on Google's SynthID method and tweaks the randomness during word selection without affecting text quality, Anthropic says. The approach has limits with fact-heavy text, code, and heavy rewriting.\n\nThe article [Anthropic announces watermark detection API that will let third parties detect Claude's AI texts](https://the-decoder.com/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-claudes-ai-texts/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s", "canonical_source": "https://the-decoder.com/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-claudes-ai-texts/", "published_at": "2026-08-14 21:29:17+00:00", "updated_at": "2026-08-14 22:28:17.694127+00:00", "lang": "en", "topics": ["ai-products", "ai-tools", "generative-ai", "ai-policy"], "entities": ["Anthropic", "Claude", "Google", "SynthID", "The Decoder"], "alternates": {"html": "https://wpnews.pro/news/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s", "markdown": "https://wpnews.pro/news/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s.md", "text": "https://wpnews.pro/news/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s.txt", "jsonld": "https://wpnews.pro/news/anthropic-announces-watermark-detection-api-that-will-let-third-parties-detect-s.jsonld"}}