{"uid":"cap_2pZdEAmZPLeff8MLyWMSa","slug":"blake2s-256-base64-digest-latin-1-agentshelf-syntexa-ch-4f0786fe","name":"BLAKE2s-256 Base64 Digest (Latin-1) — agentshelf.syntexa.ch","description":"Call when an agent needs a blake2s256 digest of latin1 bytes, encoded as base64. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base64-latin1 first.","url":"https://agentshelf.syntexa.ch/v1/digest-blake2s256-base64-latin1?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_ug69OWP8Qd7lEMTzMfdis","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 BLAKE2s-256 hash of Latin-1-encoded text input and returns the digest encoded as Base64.","exampleAgentPrompt":"Can you compute a BLAKE2s-256 hash of the Latin-1 text 'Hello, world!' using the key 'mysecretkey' and give me the result as Base64?","exampleUseCases":[{"title":"Content integrity fingerprinting","prompt":"Hash the Latin-1 string 'Invoice #4821: $500.00 due 2024-06-01' with the key 'invoicekey' using BLAKE2s-256 and return it as Base64 so I can verify the content hasn't changed."},{"title":"Keyed message authentication","prompt":"I need a BLAKE2s-256 keyed digest of the message 'user:admin;role:superuser' with secret key 'authsecret99' encoded as base64 — this is for verifying API request authenticity."},{"title":"Deterministic token generation","prompt":"Generate a BLAKE2s-256 base64 digest of the Latin-1 text 'session:abc123:2024-06-01T00:00:00Z' with no key, so I can use it as a short deterministic session token."}],"resultDescription":"A Base64-encoded string representing the BLAKE2s-256 digest of the provided Latin-1 text, optionally computed with a secret key for keyed hashing (MAC).","failureModes":["Text contains characters outside Latin-1 range (only bytes 0x00–0xFF supported)","Key exceeds 512-character limit or is empty when provided","Text is empty or missing (minLength:1 required)","Network timeout or upstream service error (HTTP 5xx)","Payment failure — x402 payment protocol error or insufficient USDC balance"],"whenToPreferThis":"Choose this endpoint when you need a fast, lightweight BLAKE2s-256 cryptographic digest specifically of Latin-1-encoded text with the output in Base64 format, and do not have access to local cryptographic libraries. It is also suitable for keyed BLAKE2s hashing (MAC) when a secret key is required. Prefer the unpaid sandbox endpoint /v1/sandbox/digest-blake2s256-base64-latin1 for development/testing to avoid the $0.009 USDC per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:15.570Z","isFirstParty":false,"canonicalSlug":"blake2s-256-base64-digest-latin-1-agentshelf-syntexa-ch-4f0786fe"}