{"uid":"cap_mJ_X7xoIcaPITTm9DBqJI","slug":"sha-512-256-digest-base64url-latin-1-agentshelf-syntexa-ch-ef9f464d","name":"SHA-512/256 Digest (Base64url, Latin-1) — agentshelf.syntexa.ch","description":"Call when an agent needs a sha512-256 digest of latin1 bytes, encoded as base64url. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base64url-latin1 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-256-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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__RFFZwVekI1v-IzSd0cyX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-512/256 cryptographic digest of a latin1-encoded text string and returns it encoded as base64url.","exampleAgentPrompt":"Hash the text 'Héllo wörld' using SHA-512/256 treating it as latin1 bytes, and give me the result as a base64url string.","exampleUseCases":[{"title":"Data integrity fingerprint for storage","prompt":"I need a SHA-512/256 base64url fingerprint of the latin1 text 'Invoice #4821: montant dû €150' so I can store a tamper-evident checksum alongside the record."},{"title":"URL-safe hash for caching key","prompt":"Generate a URL-safe base64url SHA-512/256 hash of the latin1 string 'user_session:françoise@example.com:2024' so I can use it as a cache key in my system."},{"title":"Keyed digest for message signing","prompt":"Compute a SHA-512/256 digest of the latin1 text 'order:99281:confirmed' using key 'mysecretkey', encoded as base64url, so I can attach it as a signature to an API callback."}],"resultDescription":"Returns a SHA-512/256 cryptographic digest of the provided latin1-encoded text string, expressed as a base64url-encoded string. The output is deterministic, URL-safe, and suitable for use as a checksum, cache key, or compact cryptographic fingerprint.","failureModes":["Text exceeds 100,000 character limit — request rejected","Text or key is empty or missing — validation error","Characters outside latin1 range may produce unexpected encoding behavior","Payment of exactly $0.01 USDC not provided — 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need specifically a SHA-512/256 digest (not SHA-256 or SHA-512) of latin1-encoded bytes, output as base64url. It is preferred over alternatives when URL-safe encoding is required and the input is latin1 text. Use the free sandbox POST /v1/sandbox/digest-sha512-256-base64url-latin1 first; fall back to this paid endpoint when the sandbox is unavailable or rate-limited.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:10.446Z","isFirstParty":false,"canonicalSlug":"sha-512-256-digest-base64url-latin-1-agentshelf-syntexa-ch-ef9f464d"}