{"uid":"cap_1FW9SQAu610uuXyZ7VhWE","slug":"blake2s-256-hex-digest-over-utf-16le-agentshelf-syntexa-ch-8b2a6ce6","name":"Blake2s-256 Hex Digest over UTF-16LE (agentshelf.syntexa.ch)","description":"Call when an agent needs a blake2s256 digest of utf16le bytes, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-hex-utf16 first.","url":"https://agentshelf.syntexa.ch/v1/digest-blake2s256-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":"0.005","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_bQQKNxxp_LX2r6fTXl8wv","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 BLAKE2s-256 cryptographic hash of a UTF-16LE-encoded string and returns the digest as a lowercase hex string.","exampleAgentPrompt":"Compute the BLAKE2s-256 hex digest of the UTF-16LE encoding of the text 'Hello, world!' using the key 'mysecretkey'.","exampleUseCases":[{"title":"Keyed BLAKE2s hash for message authentication","prompt":"I need to authenticate a message — can you compute a BLAKE2s-256 hex digest of 'invoice:12345:approved' encoded as UTF-16LE using the secret key 'hmac-secret-42'?"},{"title":"Content fingerprinting for deduplication","prompt":"I want a unique fingerprint for this document snippet to detect duplicates later. Can you get me the BLAKE2s-256 hex hash (UTF-16LE) of the text 'The quick brown fox jumps over the lazy dog'?"},{"title":"Deterministic ID generation from Unicode text","prompt":"I need a stable, short ID derived from the Unicode string '2024年度レポート' — give me its BLAKE2s-256 hex digest over UTF-16LE bytes, no key needed."}],"resultDescription":"Returns a hex-encoded BLAKE2s-256 digest (64 hex characters) computed over the UTF-16LE byte representation of the input text, optionally keyed. The response is a deterministic, fixed-length hash string.","failureModes":["Text or key exceeds maximum length (100,000 and 512 chars respectively) — returns a 4xx validation error","Missing or empty text field — returns a 4xx validation error","Payment not included or insufficient USDC — returns HTTP 402","Malformed request body — returns a 4xx parse error"],"whenToPreferThis":"Choose this endpoint when you specifically need a BLAKE2s-256 digest over UTF-16LE-encoded bytes returned as hex — for example, when interoperating with Windows/.NET systems that default to UTF-16LE, or when your verification counterpart computes hashes over UTF-16LE. Prefer the free sandbox endpoint (/v1/sandbox/digest-blake2s256-hex-utf16) for testing. Use this paid endpoint for production workloads where the sandbox is unavailable or rate-limited.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:05.518Z","isFirstParty":false,"canonicalSlug":"blake2s-256-hex-digest-over-utf-16le-agentshelf-syntexa-ch-8b2a6ce6"}