{"uid":"cap_Fz5EbR3LmWkgXiSsEHtoY","slug":"sha-512-256-digest-base64-utf-16le-agentshelf-syntexa-ch-f91cae1a","name":"SHA-512/256 Digest (Base64, UTF-16LE) — agentshelf.syntexa.ch","description":"Call when an agent needs a sha512-256 digest of utf16le bytes, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base64-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-256-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":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lPaNBnUHa-Tkf_5kvth-9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-512/256 cryptographic hash of text encoded as UTF-16LE bytes, returning the digest as a Base64 string.","exampleAgentPrompt":"Hash the text 'Hello, World!' using SHA-512/256 with UTF-16LE encoding and give me the result as a Base64 string.","exampleUseCases":[{"title":"Integrity fingerprint for document content","prompt":"Take this document text — 'Annual Report Q4 2024: Revenue grew 12% year-over-year...' — and give me its SHA-512/256 Base64 hash using UTF-16LE encoding so I can use it as a tamper-evident fingerprint."},{"title":"Deterministic ID generation from user input","prompt":"I need a stable, unique identifier for the string 'user-profile:john.doe@example.com' — can you compute its SHA-512/256 digest with UTF-16LE bytes and return it as Base64?"},{"title":"Cross-platform hash verification for Windows strings","prompt":"A Windows app encoded the string 'SensitivePayload123' as UTF-16LE before hashing it with SHA-512/256 and got a Base64 result — can you reproduce that hash so I can verify they match?"}],"resultDescription":"Returns a Base64-encoded SHA-512/256 digest of the input text after it has been encoded as UTF-16LE bytes. The output is a compact, fixed-length cryptographic hash suitable for integrity checking, deduplication, or fingerprinting.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or malformed payment header results in a 402 Payment Required response","Invalid UTF-16LE encoding edge cases (e.g. lone surrogates) may produce unexpected output","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-512/256 (truncated SHA-512) digest of text that is first encoded as UTF-16LE bytes — a common requirement when interoperating with Windows/.NET systems, Microsoft APIs, or any pipeline that natively uses UTF-16LE strings. Prefer the free sandbox variant (/v1/sandbox/digest-sha512-256-base64-utf16) for testing. Use this paid endpoint for production workloads or when the sandbox is unavailable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:44:52.312Z","isFirstParty":false,"canonicalSlug":"sha-512-256-digest-base64-utf-16le-agentshelf-syntexa-ch-f91cae1a"}