{"uid":"cap_e8FmvrScEAV9ZqI362dRp","slug":"sha3-384-hex-digest-ca22c74f","name":"SHA3-384 Hex Digest","description":"Call when an agent needs a sha3-384 digest of text, encoded as hex. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-hex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-384-hex?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":["hello"],"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":"0.007","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":"$0.007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5yptaJzvBtaxeY_99VUBO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA3-384 cryptographic hash of input text and returns it as a lowercase hex-encoded string","exampleAgentPrompt":"Can you compute the SHA3-384 hash of the text 'Hello, world! This is my message.' and give me the result as a hex string?","exampleUseCases":[{"title":"Integrity checksum for document storage","prompt":"Before I store this contract text in the database, compute its SHA3-384 hex digest so I can use it as an integrity checksum: 'This Agreement is entered into as of January 1, 2025...'"},{"title":"Deterministic ID for deduplication pipeline","prompt":"I need a deterministic hex fingerprint for this log entry using SHA3-384 so I can deduplicate records: 'ERROR 2025-01-15T10:32:01Z service=auth msg=token_expired user_id=8821'"},{"title":"Cryptographic proof of message content","prompt":"Hash this message with SHA3-384 and give me the hex output so I can include it in a signed audit trail: 'Payment of $500 authorized by admin@example.com at 2025-01-15 09:00 UTC'"}],"resultDescription":"Returns a SHA3-384 hex-encoded digest string (96 hexadecimal characters) deterministically derived from the input text. The computation is performed locally without any network calls or LLM involvement, guaranteeing reproducibility.","failureModes":["Missing or empty 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or invalid API key returns 402 Payment Required","Malformed request body returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a SHA3-384 digest specifically encoded as hexadecimal (rather than base64 or other encodings). Use it when deterministic, reproducible hashing of text is required without any external dependencies, network lookups, or AI inference. Prefer the free sandbox endpoint POST /v1/sandbox/digest-sha3-384-hex for testing before using this paid version.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:40.795Z","isFirstParty":false,"canonicalSlug":"sha3-384-hex-digest-ca22c74f"}