{"uid":"cap__YBZjyxrUq1LYJVFgLh4M","slug":"sha3-256-hex-digest-of-raw-hex-bytes-a2e8164a","name":"SHA3-256 Hex Digest of Raw Hex Bytes","description":"Call when an agent needs a sha3-256 digest of hex bytes, encoded as hex. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-hex-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-256-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":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pS--_mSvK3M6yMs_YwWno","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA3-256 hash of raw hex-encoded bytes and returns the digest as a hex string","exampleAgentPrompt":"Can you compute the SHA3-256 hash of these raw hex bytes — 'deadbeef0102030405' — and give me the result as a hex string?","exampleUseCases":[{"title":"Blockchain transaction data integrity check","prompt":"I have a raw transaction payload in hex — '0x4a3f9b...' — can you SHA3-256 hash it and give me the hex digest so I can verify it matches the on-chain fingerprint?"},{"title":"Cryptographic fingerprint for hex binary blob","prompt":"I've got a binary blob stored as hex: 'c0ffee1234abcd'. Can you run it through SHA3-256 and return the hex digest for me to use as a checksum?"},{"title":"Verify hex payload integrity in pipeline","prompt":"Before I store this sensor reading — encoded as hex bytes 'a1b2c3d4e5f6' — can you SHA3-256 hash it so I can later confirm no data corruption occurred?"}],"resultDescription":"Returns a SHA3-256 hash digest of the provided hex-encoded byte input, encoded as a lowercase hex string. The digest is deterministic and fixed-length (64 hex characters for SHA3-256).","failureModes":["Invalid or malformed hex input may cause a 400 error","Input text exceeding 100,000 characters will be rejected","Missing required key or text fields returns a validation error","Payment failure or insufficient USDC balance returns a 402 error"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-256 hash of raw hex-encoded bytes with hex output — particularly for blockchain, smart contract, or cryptographic workflows where SHA3-256 (Keccak variant or NIST standard) is required over SHA2 alternatives. Use the free sandbox endpoint (/v1/sandbox/digest-sha3-256-hex-rawhex) first if available to avoid the $0.009 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:13.145Z","isFirstParty":false,"canonicalSlug":"sha3-256-hex-digest-of-raw-hex-bytes-a2e8164a"}