Hash or HMAC a string. Send JSON: data (string), optional input_encoding (utf8|hex|base64|base64url, default utf8), algorithms (any of md5 sha1 sha256 sha384 sha512 sha3-256 sha3-512, default [sha256]), hmac_key (utf8 string). Returns bytes, digests (hex and base64 per algorithm), and hex/base64/base64url of the input (inputs up to 64 KB). Max body 1 MB. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.

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