{"uid":"cap_oJDUl3pUloEQFevREq3vN","slug":"sha-512-224-digest-base64url-utf-16le-encoding-e8e33665","name":"SHA-512/224 Digest — Base64URL + UTF-16LE Encoding","description":"Call when an agent needs a sha512-224 digest of utf16le bytes, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64url-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-224-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_4g0fjorhw94tdaHZd4Adm","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 SHA-512/224 hash of text encoded as UTF-16LE bytes, returning the digest as a base64url string","exampleAgentPrompt":"Hash the text 'Hello, World!' using SHA-512/224 with UTF-16LE byte encoding and give me the result as a base64url digest string.","exampleUseCases":[{"title":"Integrity fingerprint for a log entry","prompt":"I need a SHA-512/224 base64url fingerprint of this log line encoded as UTF-16LE: 'User admin logged in at 2024-06-01T12:00:00Z'. Can you compute that?"},{"title":"Deterministic ID for a document chunk","prompt":"Generate a base64url SHA-512/224 hash of this text chunk using UTF-16LE encoding so I can use it as a stable content identifier: 'The quick brown fox jumps over the lazy dog.'"},{"title":"Verifying data integrity across systems","prompt":"Can you compute the SHA-512/224 digest of 'order:98765:confirmed:2024' using UTF-16LE bytes and return it as a base64url string so I can cross-check it against the value my partner system produced?"}],"resultDescription":"Returns a base64url-encoded SHA-512/224 digest of the input text treated as UTF-16LE bytes. The output is a compact, URL-safe cryptographic hash string suitable for integrity checks, deduplication keys, or content identifiers.","failureModes":["Text or key field missing or empty — validation error returned","Text exceeds 100,000 character limit — request rejected","Key string exceeds 512 character limit — request rejected","Payment of $0.007 USDC not provided or declined — 402 response","Malformed JSON body — parse error returned"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-512/224 hash (not SHA-256 or SHA-512) with UTF-16LE byte encoding and base64url output encoding — a combination common in Windows-ecosystem compatibility, certain token-generation schemes, or when an existing system already uses this exact algorithm and encoding triple. If you only need a generic hash or a different encoding (e.g. hex, base64 standard), a different endpoint is more appropriate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:45:37.095Z","isFirstParty":false,"canonicalSlug":"sha-512-224-digest-base64url-utf-16le-encoding-e8e33665"}