{"uid":"cap_8KcnWKwuLfvmc5kRKysMx","slug":"sha3-512-hex-digest-of-raw-hex-bytes-53f89d7c","name":"SHA3-512 Hex Digest of Raw Hex Bytes","description":"Call when an agent needs a sha3-512 digest of hex bytes, encoded as hex. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-hex-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-512-hex-rawhex?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"key":{"type":"string","maxLength":512,"minLength":1,"description":"HMAC secret. Required on HMAC SKUs. Omit it for plain digests and checksums. The key is not stored."},"text":{"type":"string","examples":["68656c6c6f"],"maxLength":100000,"minLength":1,"description":"Message to digest. For raw-hex SKUs this is hex bytes; for utf16 or latin1 SKUs it is decoded with that encoding. Otherwise it is UTF-8 text."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dPRkHrPNSzbVrySRGwr3p","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA3-512 hash of raw bytes supplied as a hex string, returning the digest encoded as a lowercase hex string.","exampleAgentPrompt":"Can you compute the SHA3-512 hash of this hex byte string '4a6f686e446f65' and give me back the digest as hex?","exampleUseCases":[{"title":"Integrity check of binary payload","prompt":"I have a raw binary payload encoded as hex — '48656c6c6f576f726c64' — can you compute its SHA3-512 digest in hex so I can verify it hasn't been tampered with?"},{"title":"Fingerprint hex-encoded file chunk","prompt":"Generate a SHA3-512 hex digest for this hex-encoded chunk of data I'm storing: 'deadbeefcafebabe0102030405060708'."},{"title":"Cryptographic audit trail for data block","prompt":"I need to hash this hex byte sequence 'ff00ff00aabbccdd' with SHA3-512 and get the result as a hex string for my audit log."}],"resultDescription":"Returns a SHA3-512 digest of the input bytes (provided as hex) encoded as a lowercase hexadecimal string, suitable for integrity checks or cryptographic fingerprinting.","failureModes":["Invalid hex string input (odd length or non-hex characters) results in an error response","Input text field empty or exceeds 100,000 character limit","Payment not included or insufficient USDC causes a 402 Payment Required response","Malformed request body returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need a SHA3-512 hash of raw binary data supplied as a hex string, particularly in contexts requiring Keccak-family 512-bit digests. Prefer the unpaid sandbox variant (POST /v1/sandbox/digest-sha3-512-hex-rawhex) for testing; use this paid endpoint for production workloads when a $0.003 USDC per-call cost is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:09.239Z","isFirstParty":false,"canonicalSlug":"sha3-512-hex-digest-of-raw-hex-bytes-53f89d7c"}