{"uid":"cap_dtsN9fcHVyyrxUGcvZUDb","slug":"blake2s-256-base64url-latin-1-digest-524e1fbd","name":"BLAKE2s-256 / Base64URL / Latin-1 Digest","description":"Call when an agent needs a blake2s256 digest of latin1 bytes, encoded as base64url. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base64url-latin1 first.","url":"https://agentshelf.syntexa.ch/v1/digest-blake2s256-base64url-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":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DcAQuUkT2IE5rPskjrqA_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a keyed BLAKE2s-256 hash of Latin-1 encoded text and returns the digest as a Base64URL string","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 a Base64URL string?","exampleUseCases":[{"title":"Integrity check for stored records","prompt":"Take this Latin-1 encoded log entry \"user=alice;action=login;ts=1700000000\" and hash it with BLAKE2s-256 using key \"auditkey\" — I need the Base64URL digest to verify the record hasn't been tampered with."},{"title":"Keyed MAC for API payloads","prompt":"I need to generate a keyed BLAKE2s-256 digest of this payload text \"amount=500&currency=USD&ref=ord-99\" using key \"webhooksecret\", encoded as Base64URL, so I can include it as a message authentication code."},{"title":"Deduplication fingerprint for Latin-1 content","prompt":"Hash this Latin-1 text \"Bonjour le monde, ça va?\" with BLAKE2s-256 and key \"dedup\" and return the Base64URL result — I'm building a deduplication index for legacy text records."}],"resultDescription":"A JSON response containing the Base64URL-encoded BLAKE2s-256 digest of the provided Latin-1 text hashed with the given key.","failureModes":["Text or key exceeds maximum length limits (100,000 chars for text, 512 chars for key)","Text contains characters outside the Latin-1 range (code points > 255)","Missing required fields (key or text) result in a 4xx error","Non-Latin-1 encodings silently produce unexpected hashes if input is misinterpreted"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, keyed cryptographic digest of Latin-1 text specifically using the BLAKE2s-256 algorithm with Base64URL output encoding — common for legacy system integrations, compact MAC generation, or deduplication of Latin-1 encoded content. Prefer the free sandbox endpoint /v1/sandbox/digest-blake2s256-base64url-latin1 for testing before paying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:54.544Z","isFirstParty":false,"canonicalSlug":"blake2s-256-base64url-latin-1-digest-524e1fbd"}