{"uid":"cap_kzrklfxPF9L917ixYwSkM","slug":"sha3-512-digest-of-utf-16le-bytes-base64-encoded-8517b266","name":"SHA3-512 Digest of UTF-16LE Bytes, Base64-Encoded","description":"Call when an agent needs a sha3-512 digest of utf16le bytes, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-512-base64-utf16?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_whcElyIV8DBrwQi4rOAvf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","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 cryptographic hash of text encoded as UTF-16LE bytes and returns the result as a Base64 string.","exampleAgentPrompt":"Hash the text 'Hello, World!' using SHA3-512 over its UTF-16LE bytes and give me the result as base64.","exampleUseCases":[{"title":"Integrity check for Windows file content","prompt":"I have a string that was saved on a Windows system — treat it as UTF-16LE bytes, run SHA3-512 on it, and give me the base64 digest so I can verify it hasn't been tampered with. The text is 'C:\\Users\\alice\\report.docx v2 final'."},{"title":"Cross-platform hash verification","prompt":"I need to verify that a document matches a SHA3-512 checksum someone gave me — can you hash the text 'Invoice #4821 Total: $3,500.00' as UTF-16LE bytes and return the result in base64 so I can compare it?"},{"title":"Generating a deterministic token from UTF-16LE text","prompt":"Take the string 'session-user-42-secret' and produce a SHA3-512 base64 digest treating it as UTF-16LE bytes — I want to use this as a deterministic fingerprint for an audit log."}],"resultDescription":"Returns a Base64-encoded SHA3-512 cryptographic digest computed over the UTF-16LE byte representation of the input text. The output is a fixed-length Base64 string corresponding to the 512-bit hash.","failureModes":["Input text is empty or missing — returns validation error","Text exceeds 100,000 character limit — request rejected","Key parameter is missing or empty — returns error","Malformed request body — returns HTTP 400","Payment of $0.004 USDC not provided or rejected — returns HTTP 402","Service temporarily unavailable — returns HTTP 5xx"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-512 hash computed over UTF-16LE byte encoding (common in Windows/Microsoft environments) with Base64 output format. Prefer the unpaid sandbox endpoint /v1/sandbox/digest-sha3-512-base64-utf16 for testing. Use this paid endpoint when the sandbox is unavailable or when production-grade reliability is required. If you need SHA3-512 over plain UTF-8 or different output encodings (hex, base64url), look for sibling endpoints on agentshelf.syntexa.ch.","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":"sha3-512-digest-of-utf-16le-bytes-base64-encoded-8517b266"}