{"uid":"cap_LyECXMjjvsB2weT7I52Xc","slug":"sha-256-digest-utf-16le-base64url-agentshelf-syntexa-ch-265dee26","name":"SHA-256 Digest (UTF-16LE, Base64URL) — agentshelf.syntexa.ch","description":"Call when an agent needs a sha256 digest of utf16le bytes, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base64url-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha256-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":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vQsFaDsWO7eAUZRGabAgI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-256 hash of the UTF-16LE byte encoding of a given text string, returning the digest encoded as a base64url string.","exampleAgentPrompt":"Give me the SHA-256 digest of the text 'Hello, World!' encoded as UTF-16LE bytes, and return it as a base64url string.","exampleUseCases":[{"title":"Password pre-hashing for .NET systems","prompt":"I need to hash the password 'Tr0ub4dor&3' using SHA-256 over its UTF-16LE bytes, base64url-encoded — that's the format our legacy .NET auth service expects."},{"title":"Content fingerprinting for Unicode documents","prompt":"Generate a SHA-256 fingerprint of this Unicode article text as UTF-16LE bytes and give it back as a base64url string so I can use it as a deduplication key."},{"title":"HMAC-like keyed digest for API tokens","prompt":"I need a SHA-256 digest of the message 'user:12345:2024-06-01' treated as UTF-16LE bytes, returned as base64url — use key 'my-secret-key' for the request."}],"resultDescription":"Returns a base64url-encoded SHA-256 digest of the UTF-16LE byte representation of the submitted text. The output is a compact, URL-safe cryptographic hash string suitable for use in checksums, fingerprinting, or integrity verification.","failureModes":["Text or key exceeds maximum length (100,000 or 512 chars respectively) — request rejected","Empty string inputs rejected due to minLength:1 constraints","Payment failure or insufficient USDC balance — 402 Payment Required","Network timeout or service unavailability — 5xx error","Malformed JSON request body — 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-256 hash of text interpreted as UTF-16LE bytes (as used by Windows, .NET, and many Microsoft-ecosystem systems) and encoded in base64url format. It is distinct from standard UTF-8 SHA-256 hashing. Prefer the free sandbox endpoint (/v1/sandbox/digest-sha256-base64url-utf16) for development or testing; use this paid endpoint for production reliability. Prefer this over general-purpose hashing tools when UTF-16LE byte semantics are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:24.450Z","isFirstParty":false,"canonicalSlug":"sha-256-digest-utf-16le-base64url-agentshelf-syntexa-ch-265dee26"}