{"uid":"cap_yzPD6AeO-o93I7Ezve0eA","slug":"sha3-256-digest-of-hex-bytes-encoded-as-base64-ecee735c","name":"SHA3-256 Digest of Hex Bytes Encoded as Base64","description":"Call when an agent needs a sha3-256 digest of hex bytes, encoded as base64. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64-rawhex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-256-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":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_52EqtSjHXMAq-54z5NKw2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA3-256 cryptographic hash of hex-encoded input bytes and returns the digest encoded as base64.","exampleAgentPrompt":"I have some raw bytes in hex format — '48656c6c6f' — can you compute the SHA3-256 digest of those hex bytes and give me the result encoded as base64?","exampleUseCases":[{"title":"Data integrity checksum for hex payload","prompt":"I'm sending a hex-encoded binary payload '4d792064617461' to a remote service and need to include a SHA3-256 checksum encoded as base64 so the receiver can verify it hasn't been tampered with. Can you compute that for me?"},{"title":"Verifying cryptographic hash of binary content","prompt":"I have binary content represented as hex bytes 'deadbeefcafe0123' and I need to verify its SHA3-256 fingerprint in base64 format — can you hash those hex bytes and give me the base64 digest?"},{"title":"Generating reproducible SHA3-256 token from hex seed","prompt":"I want to derive a SHA3-256 hash from a hex-encoded seed value '0a1b2c3d4e5f' and get the result as a base64 string to use as a stable identifier in my pipeline."}],"resultDescription":"Returns a SHA3-256 cryptographic digest of the input hex bytes, encoded as a base64 string. The output is a deterministic, fixed-length hash suitable for integrity checking, fingerprinting, or use as a derived identifier.","failureModes":["Invalid or non-hex input text causes a processing error","Input exceeds 100,000 character limit returns a validation error","Empty or missing 'text' field returns a bad request error","Payment failure or insufficient USDC balance results in a 402 response","Malformed JSON body causes a 400 error"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-256 hash of raw bytes supplied in hexadecimal form and want the output as standard base64 (not base64url or hex). If a free unpaid sandbox version (/v1/sandbox/digest-sha3-256-base64-rawhex) is available, prefer that first. Use this paid endpoint when the sandbox is unavailable or rate-limited. Prefer sibling endpoints if a different hash algorithm (e.g. SHA3-224), encoding (e.g. base64url, hex), or input encoding (e.g. UTF-16LE) is required.","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":"sha3-256-digest-of-hex-bytes-encoded-as-base64-ecee735c"}