{"uid":"cap_1LmBMVxon2etZbh1i_Czh","slug":"sha3-384-digest-base64url-encoder-28161953","name":"SHA3-384 Digest Base64url Encoder","description":"Call when an agent needs a sha3-384 digest of text, encoded as base64url. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base64url first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-384-base64url?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":"0.009","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_SoMzLy-QDj3nvTpokEP0i","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 SHA3-384 cryptographic hash of input text and returns the digest encoded as a base64url string","exampleAgentPrompt":"Can you compute the SHA3-384 hash of the text 'Hello, world! This is my message.' and give me the result in base64url encoding?","exampleUseCases":[{"title":"Content integrity fingerprinting","prompt":"Hash this document text using SHA3-384 and give me the base64url digest so I can use it as a tamper-evident fingerprint: 'Terms of Service v3.1 — last updated 2024-01-15...'"},{"title":"API request signing preparation","prompt":"I need to sign an API payload. Can you compute the SHA3-384 base64url hash of this JSON string: '{\"user\":\"alice\",\"amount\":100,\"currency\":\"USD\"}'?"},{"title":"Deduplication key generation","prompt":"Generate a SHA3-384 base64url hash for this product description so I can use it as a deduplication key in my database: 'Ergonomic office chair with lumbar support, adjustable armrests, and breathable mesh back.'"}],"resultDescription":"A base64url-encoded string representing the SHA3-384 cryptographic digest of the input text. The hash is deterministic, produces no side effects, and requires no network calls or LLM inference — purely a cryptographic computation.","failureModes":["Input text exceeds 100,000 character limit — request rejected","Key parameter exceeds 512 character limit — request rejected","Empty or missing text field — validation error","Payment not provided or insufficient USDC — 402 response","Malformed JSON body — 400 bad request"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-384 digest encoded in base64url format (URL-safe, no padding characters). Prefer this over SHA3-256 when longer digest length (384 bits) is required for higher collision resistance. Use base64url encoding when the hash will be embedded in URLs, JWT headers, or filenames. If cost is a concern, try the free sandbox endpoint POST /v1/sandbox/digest-sha3-384-base64url first. Use sibling endpoints for different algorithms (SHA3-256, SHA3-512) or encodings (base64, base32, hex).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T12:50:18.568Z","isFirstParty":false,"canonicalSlug":"sha3-384-digest-base64url-encoder-28161953"}