{"uid":"cap_V1cSfBdwOiA0vxAjdmie4","slug":"sha-512-hex-digest-utf-16le-encoding-dae56021","name":"SHA-512 Hex Digest (UTF-16LE Encoding)","description":"Call when an agent needs a sha512 digest of utf16le bytes, encoded as hex. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-hex-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-hex-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":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7I52aLDgXHjIy7hG79v1R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","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 hash of text encoded as UTF-16LE bytes and returns the digest as a lowercase hexadecimal string.","exampleAgentPrompt":"Can you hash the text 'Hello, World!' using SHA-512 with UTF-16LE byte encoding and give me the result as a hex string?","exampleUseCases":[{"title":"Verify file integrity via hash","prompt":"Hash this document content using SHA-512 with UTF-16LE encoding and return the hex digest so I can check it against my expected checksum: 'Invoice #4521 total $3,200.00 due 2024-06-01'"},{"title":"Generate password hash for Windows compatibility","prompt":"I need to compute the SHA-512 hex hash of the password 'S3cur3P@ssw0rd!' encoded as UTF-16LE bytes — this is for a Windows-compatible credential hash."},{"title":"Fingerprint Unicode text for deduplication","prompt":"Can you produce a SHA-512 hex fingerprint of this Japanese text '日本語のテキスト' using UTF-16LE encoding so I can use it as a unique identifier in my database?"}],"resultDescription":"Returns a hex-encoded SHA-512 digest string computed from the UTF-16LE byte representation of the input text. The output is a 128-character lowercase hexadecimal string uniquely representing the hashed content.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or empty 'key' field returns an authentication/validation error","Payment failure (insufficient USDC balance) results in 402 Payment Required","Malformed request body returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you specifically need SHA-512 hashing where the input text must be processed as UTF-16LE bytes (common in Windows environments, .NET, or when interoperating with systems that use wide-character encoding). Prefer the free sandbox endpoint (/v1/sandbox/digest-sha512-hex-utf16) for testing. Use sibling endpoints if you need a different output encoding (base32, base64, base64url) or a different character encoding (plain UTF-8 text vs UTF-16LE bytes).","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":"sha-512-hex-digest-utf-16le-encoding-dae56021"}