{"uid":"cap_2P63-eWZlD4FacRIdWdeD","slug":"sha3-384-hex-to-base64url-digest-f7b77d4d","name":"SHA3-384 Hex-to-Base64URL Digest","description":"Call when an agent needs a sha3-384 digest of hex bytes, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base64url-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-384-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":"0.007","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_UU_NG-VRj1avmRM9Sz_h3","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 SHA3-384 cryptographic hash of raw hex-encoded bytes and returns the result encoded as base64url","exampleAgentPrompt":"Can you compute the SHA3-384 hash of these raw hex bytes — '4a6f686e' — and give me the result as a base64url string?","exampleUseCases":[{"title":"Integrity fingerprint for hex payload","prompt":"I have some raw hex-encoded data '48656c6c6f576f726c64' and I need its SHA3-384 digest encoded as base64url so I can verify integrity on the other end — can you compute that?"},{"title":"Keyed hash for hex content verification","prompt":"Generate a SHA3-384 base64url digest for the hex bytes 'deadbeefcafe0123' using the key 'mySecretKey' so I can use it as a tamper-evident fingerprint."},{"title":"Blockchain data checksum","prompt":"I've got a blob of hex-encoded binary data 'a1b2c3d4e5f60789' from a blockchain transaction and need a SHA3-384 hash of it in base64url format for cross-system comparison."}],"resultDescription":"Returns a SHA3-384 cryptographic digest of the provided raw hex bytes, encoded as a base64url string. The response is a compact, URL-safe representation of the 384-bit hash suitable for use in APIs, tokens, or integrity checks.","failureModes":["Invalid hex input (non-hex characters in text field) returns an error","Input exceeds 100,000 character limit causes rejection","Missing required fields returns validation error","Payment not received or incorrect amount results in 402 response","Malformed key field (exceeds 512 characters) causes rejection"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-384 hash (not SHA2, SHA3-256, or other algorithms) of raw hex-encoded bytes with the output in base64url encoding. It is ideal for blockchain, cryptographic verification, or interoperability scenarios requiring this exact combination of algorithm and encoding. If a free sandbox variant at /v1/sandbox/digest-sha3-384-base64url-rawhex is available, prefer that first to avoid the $0.007 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:00.422Z","isFirstParty":false,"canonicalSlug":"sha3-384-hex-to-base64url-digest-f7b77d4d"}