{"uid":"cap_E_Cyq-Rq3XGuH3h19zWv7","slug":"sha-512-224-digest-as-base64url-from-hex-bytes-c7a1d21a","name":"SHA-512/224 Digest as Base64url from Hex Bytes","description":"Call when an agent needs a sha512-224 digest of hex bytes, encoded as base64url. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64url-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-224-base64url-rawhex?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":["68656c6c6f"],"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_5JFSX3fTPUOFOOMlRWzG8","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 SHA-512/224 cryptographic hash of hex-encoded byte input and returns the digest encoded as base64url.","exampleAgentPrompt":"Can you compute the SHA-512/224 hash of these hex bytes — 'deadbeef01234567' — and give me the result as a base64url string?","exampleUseCases":[{"title":"Integrity check for binary payload","prompt":"I have a binary payload represented as hex bytes '0a1b2c3d4e5f' and I need to verify its integrity using a SHA-512/224 digest encoded as base64url — can you compute that for me?"},{"title":"Fingerprinting hex-encoded cryptographic key material","prompt":"I've got key material in hex format 'f0e1d2c3b4a59687' and I want to fingerprint it with a SHA-512/224 hash returned as base64url, so I can use it as a compact identifier."},{"title":"Audit log entry checksum","prompt":"For my audit log, I need a SHA-512/224 base64url digest of this hex-encoded record data: '48656c6c6f576f726c64' — please compute it so I can attach it as a checksum."}],"resultDescription":"Returns a SHA-512/224 cryptographic digest of the provided hex-encoded byte input, encoded as a base64url string. The output is a compact, URL-safe hash suitable for use as a fingerprint, checksum, or integrity token.","failureModes":["Invalid hex string input (non-hex characters) causing a 400 error","Input text exceeds 100,000 character limit causing rejection","Empty key or text fields causing validation failure","Payment not provided or insufficient USDC causing 402 response","Service unavailability causing 5xx errors"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-512/224 (truncated SHA-512) digest over raw hex bytes, with the result encoded as base64url. It is preferred when you need a compact, URL-safe hash that is stronger than MD5/SHA-1 but more bandwidth-efficient than full SHA-512. Use the free sandbox variant (/v1/sandbox/digest-sha512-224-base64url-rawhex) first during development; use this paid endpoint in production when sandbox limits are exceeded or reliability is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:06.133Z","isFirstParty":false,"canonicalSlug":"sha-512-224-digest-as-base64url-from-hex-bytes-c7a1d21a"}