{"uid":"cap_88tSl8c0lcFDGRZVBESDx","slug":"blake2b-512-digest-with-base64-encoding-latin1-input-7a2c4872","name":"BLAKE2b-512 Digest with Base64 Encoding (Latin1 Input)","description":"Call when an agent needs a blake2b512 digest of latin1 bytes, encoded as base64. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base64-latin1 first.","url":"https://agentshelf.syntexa.ch/v1/digest-blake2b512-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":"0.007","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":"$0.007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7edd_raAsWRQjs9OxUHrJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a keyed BLAKE2b-512 cryptographic hash of Latin1-encoded text and returns the digest as a Base64 string.","exampleAgentPrompt":"Can you compute a BLAKE2b-512 hash of the Latin1 text 'Héllo wörld' using the key 'mysecretkey' and give me the result as Base64?","exampleUseCases":[{"title":"Message authentication code generation","prompt":"Hash this Latin1-encoded payment payload 'montant=100,devise=EUR,bénéficiaire=Dupont' using the key 'pay-hmac-secret' with BLAKE2b-512 and return it as Base64 so I can attach it as a MAC."},{"title":"File integrity checksum for Latin1 content","prompt":"I have a Latin1-encoded config file content: 'paramètre=activé;niveau=élevé'. Compute its keyed BLAKE2b-512 digest using key 'cfg-integrity-key' and give me the base64 hash so I can store it for integrity verification."},{"title":"Deterministic token derivation","prompt":"Derive a BLAKE2b-512 base64 digest from the Latin1 string 'utilisateur=René;session=42' with key 'token-derive-key' — I need this as a deterministic session token fingerprint."}],"resultDescription":"A Base64-encoded string representing the 512-bit BLAKE2b cryptographic digest of the provided Latin1 text, computed with the given key.","failureModes":["Text contains characters outside the Latin1 (ISO-8859-1) range — server may reject or misinterpret input","Key exceeds 512 characters or is empty — schema validation error","Text exceeds 100,000 characters — request rejected","Payment of $0.007 USDC not provided or fails — 402 Payment Required returned","Network timeout or service unavailability — connection error"],"whenToPreferThis":"Choose this endpoint when you specifically need a BLAKE2b-512 digest (not SHA-256, MD5, or other algorithms) of Latin1-encoded text, returned as Base64. Prefer the unpaid sandbox endpoint (POST /v1/sandbox/digest-blake2b512-base64-latin1) for testing. Use this paid endpoint when you need guaranteed production-grade hashing with a keyed BLAKE2b-512 algorithm and Base64 output in a single atomic call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:44:39.888Z","isFirstParty":false,"canonicalSlug":"blake2b-512-digest-with-base64-encoding-latin1-input-7a2c4872"}