{"name":"content-simhash","description":"SimHash / 64-bit content fingerprint / near-duplicate detection / dedup hashing / locality-sensitive hash. Pure-local 64-bit SimHash over token-level k-shingles (default k=3) using FNV-1a. Two SimHashes are 'close' (small Hamming distance) iff the underlying texts share many shingles. Returns hex + decimal forms plus token + shingle counts. Useful for content dedup pipelines, plagiarism detection, and bot-content clustering.","price":"$0.001","method":"POST","input_schema":{"properties":{"text":{"type":"string","description":"Text to hash. Up to 500,000 chars."},"shingle_size":{"type":"number","description":"k-gram size for shingles. Range [1, 8]. Default 3."}},"required":["text"]},"input_example":{"text":"The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs."},"output_example":{"hash_hex":"0xa3f4b29d12c7e608","hash_int":"11814413120842008072","bit_count":64,"token_count":16,"shingle_count":14,"shingle_size":3,"text_chars":86,"source":"DIY SimHash (FNV-1a 64)"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}