{"uid":"cap_vtQgv0Htfzk0Dd6t3PiPK","slug":"sha3-512-base64url-digest-utf-16le-82cc56b7","name":"SHA3-512 Base64url Digest (UTF-16LE)","description":"Call when an agent needs a sha3-512 digest of utf16le bytes, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64url-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-512-base64url-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":"0.007","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_0RB9vqcGCCGMUEiIJAhN3","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 SHA3-512 cryptographic hash of text encoded as UTF-16LE bytes, returning the digest as a base64url-encoded string.","exampleAgentPrompt":"Can you compute the SHA3-512 hash of the text 'Hello, World!' using UTF-16LE encoding and give me the result as a base64url string?","exampleUseCases":[{"title":"Integrity fingerprint for document storage","prompt":"I need a SHA3-512 base64url fingerprint of this contract text so I can store it alongside the document and verify it hasn't been tampered with later: 'This agreement is entered into on January 1, 2025...'"},{"title":"URL-safe hash for API token generation","prompt":"Generate a SHA3-512 digest encoded as base64url for the string 'user:42:session:abc123' — I need it URL-safe so I can embed it directly in a link."},{"title":"Cross-platform hash verification with UTF-16LE","prompt":"My Windows app encodes strings as UTF-16LE before hashing. Can you compute the SHA3-512 base64url digest of 'ChecksumMe' using UTF-16LE bytes so I can verify my app's output matches?"}],"resultDescription":"Returns a base64url-encoded SHA3-512 digest string computed over the UTF-16LE byte representation of the input text. The output is a URL-safe, compact cryptographic hash suitable for integrity checks, identifiers, or comparison operations.","failureModes":["Empty or missing text field returns validation error","Text exceeding 100,000 characters is rejected","Key field exceeding 512 characters is rejected","Malformed JSON request body returns 400 error","Payment failure or insufficient USDC balance returns 402"],"whenToPreferThis":"Choose this endpoint when you specifically need SHA3-512 hashing (as opposed to SHA2, BLAKE2b, or other algorithms) with UTF-16LE byte encoding and base64url output — particularly useful when interfacing with Windows-native systems that default to UTF-16LE, or when the hash must be embedded in URLs or filenames without encoding issues.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:26.806Z","isFirstParty":false,"canonicalSlug":"sha3-512-base64url-digest-utf-16le-82cc56b7"}