{"uid":"cap_vKwQ2aRMY5PPZoV9RjejQ","slug":"sha-512-base64url-digest-of-utf-16le-encoded-text-7364da24","name":"SHA-512 Base64url Digest of UTF-16LE Encoded Text","description":"Call when an agent needs a sha512 digest of utf16le bytes, encoded as base64url. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64url-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SAioi6vMck_vrFeC6Jm0A","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 cryptographic hash of text encoded as UTF-16LE bytes, returning the digest as a base64url string","exampleAgentPrompt":"Hash the text 'Hello, World!' using SHA-512 with UTF-16LE encoding and give me the result as a base64url string.","exampleUseCases":[{"title":"Verify Windows/.NET string fingerprint","prompt":"I need a SHA-512 hash of the string 'invoice-2024-001-approved' encoded as UTF-16LE bytes and returned as base64url — that's how our .NET backend computes its checksums."},{"title":"Content integrity token for Unicode text","prompt":"Generate a SHA-512 base64url digest of this Japanese text '日本語のテスト文字列' using UTF-16LE encoding so I can include it as an integrity token in a document header."},{"title":"Cross-platform hash matching","prompt":"Can you compute the SHA-512 hash of 'the quick brown fox jumps over the lazy dog' treating the text as UTF-16LE bytes and encoding the output as base64url? I need to confirm it matches what a Windows application produced."}],"resultDescription":"A base64url-encoded SHA-512 digest string computed from the input text after encoding it as UTF-16LE bytes. The response contains the hash value that can be used for integrity verification, fingerprinting, or comparison with hashes produced by UTF-16LE-aware systems such as .NET or Windows applications.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or empty 'key' field returns a validation error","Invalid USDC payment or insufficient funds results in 402 Payment Required","Network timeout if the service is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-512 hash of text that has been encoded as UTF-16LE bytes (as used by Windows, .NET, and Microsoft ecosystems) with the output in base64url format. Prefer this over SHA-256 or SHA-3 variants when interoperating with systems that use UTF-16LE string encoding natively. Use the sandbox variant (/v1/sandbox/digest-sha512-base64url-utf16) for testing to avoid the $0.005 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:22.427Z","isFirstParty":false,"canonicalSlug":"sha-512-base64url-digest-of-utf-16le-encoded-text-7364da24"}