{"uid":"cap_hdaTLeP2LKSYwpz6mXlRn","slug":"sha3-384-digest-base64-from-hex-bytes-2ebe2f59","name":"SHA3-384 Digest → Base64 (from Hex Bytes)","description":"Call when an agent needs a sha3-384 digest of hex bytes, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base64-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-384-base64-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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XiXifFclP9tgiA_G1HsMX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA3-384 cryptographic hash of raw hex-encoded bytes and returns the digest encoded as base64.","exampleAgentPrompt":"Hash these hex bytes using SHA3-384 and give me the result as base64: 'deadbeef0102030405060708090a0b0c'.","exampleUseCases":[{"title":"Integrity fingerprint for binary payload","prompt":"I have a binary payload represented as hex — '4d6f636b44617461486578537472696e67' — can you compute its SHA3-384 digest and give me the result in base64 so I can use it as an integrity fingerprint?"},{"title":"Cryptographic checksum for audit log","prompt":"Compute a SHA3-384 hash of these hex-encoded audit log bytes '0a1b2c3d4e5f6a7b8c9daebfcd' and return it as base64 so I can store it alongside the record."},{"title":"Verify data fingerprint before signing","prompt":"Before I sign this data block, I need its SHA3-384 hash in base64. The raw data in hex is 'cafebabe0011223344556677'. Can you compute that for me?"}],"resultDescription":"Returns a base64-encoded SHA3-384 digest of the provided hex-byte input. The response is a compact, URL-safe base64 string representing the 48-byte (384-bit) hash of the raw bytes decoded from the input hex string.","failureModes":["Invalid hex string (odd-length or non-hex characters) returns an error","Exceeds maxLength of 100000 characters for the text field","Missing required input fields returns a validation error","Payment failure or insufficient USDC balance returns 402"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-384 (not SHA-256, SHA-512, or MD5) digest of raw bytes supplied as hex and want the output in base64 encoding. It is a pure computation with no network calls and no LLM — ideal for deterministic, reproducible cryptographic fingerprinting of binary data. Use the free sandbox variant (/v1/sandbox/digest-sha3-384-base64-rawhex) first to avoid charges during development.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:21.761Z","isFirstParty":false,"canonicalSlug":"sha3-384-digest-base64-from-hex-bytes-2ebe2f59"}