Anthropic Claude Content Credential Checker API

The Anthropic Claude Watermark Checker API reads Claude Content Credentials (C2PA) on images, video, and audio — the same public mark as claude.com/check-files.

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Changelog

  1. Store listing polish. Still a classifier for Claude-like writing until a public detector exists.

  2. Launched. Paste text or upload a document to see whether writing looks like Claude.

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