{"uid":"cap_3FcGwepAkMfrjHzfKM9_W","slug":"sha3-512-base64-digest-e20c55b2","name":"SHA3-512 Base64 Digest","description":"Call when an agent needs a sha3-512 digest of text, encoded as base64. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-512-base64?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":"0.002","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_lQgsjuJdwv5YnycpF3_U2","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 SHA3-512 cryptographic hash of input text and returns it encoded as base64, with no network calls or LLM involved.","exampleAgentPrompt":"Hash this text using SHA3-512 and give me the result as base64: 'Hello, world! This is my document content.'","exampleUseCases":[{"title":"Content integrity fingerprinting","prompt":"I need to generate a SHA3-512 hash of this contract text so I can verify it hasn't changed later — please hash it and give me the base64 digest: 'This agreement is entered into as of January 1, 2025 between Acme Corp and Widget LLC.'"},{"title":"Deterministic ID generation from text","prompt":"Can you compute a SHA3-512 base64 digest of the string 'user:alice@example.com:2025-01-01' so I can use it as a unique, collision-resistant identifier?"},{"title":"Audit log tamper detection","prompt":"Take this log entry and produce a SHA3-512 base64 hash I can store alongside it for tamper detection: 'action=delete resource=file.txt user=bob timestamp=1735689600'"}],"resultDescription":"Returns a base64-encoded SHA3-512 digest string of the provided input text. The computation is deterministic and performed without any external network calls or LLM processing, guaranteeing consistent results for the same input.","failureModes":["Empty or missing text field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or empty key field causes a request error","Malformed JSON body returns a 400 error","Insufficient USDC balance or payment failure blocks the request"],"whenToPreferThis":"Choose this endpoint when you need a strong, modern cryptographic hash (SHA3-512) of text returned in base64 format without any local computation. It is ideal when your runtime environment cannot execute hashing libraries, when you need a verified deterministic hash from a neutral third party, or when you require the SHA3 (Keccak) family rather than SHA2. Prefer the free sandbox endpoint (/v1/sandbox/digest-sha3-512-base64) for testing; use this paid endpoint for production workloads.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:46:32.973Z","isFirstParty":false,"canonicalSlug":"sha3-512-base64-digest-e20c55b2"}