{"uid":"cap_7-afjduJCQDwbqS74n-i9","slug":"sha3-224-hex-digest-ef36289f","name":"SHA3-224 Hex Digest","description":"Call when an agent needs a sha3-224 digest of text, encoded as hex. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-hex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha3-224-hex?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_j7kLw5_OQIK3A4wm23syl","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 SHA3-224 cryptographic hash of input text and returns the result encoded as a hexadecimal string.","exampleAgentPrompt":"Can you compute the SHA3-224 hash of the text 'Hello, world!' and give me the result as a hex string?","exampleUseCases":[{"title":"Data integrity fingerprinting","prompt":"Generate a SHA3-224 hex hash of this document content so I can use it as a checksum to verify nothing has changed later: 'Order ID: 98321, Amount: $150.00, Customer: Jane Doe'"},{"title":"Deterministic ID generation","prompt":"I need a compact, fixed-length hex identifier derived from this URL string using SHA3-224: 'https://example.com/products/widget-blue-large'"},{"title":"Password hashing for audit log","prompt":"Hash this plaintext token using SHA3-224 and return the hex digest so I can store a non-reversible record: 'session_token_abc123xyz'"}],"resultDescription":"A hex-encoded SHA3-224 digest string (56 hex characters representing 224 bits) of the submitted text. The response is deterministic — the same input always produces the same digest. No network calls or LLM inference are involved in generation.","failureModes":["Missing or empty 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Invalid or missing API key results in a 402 Payment Required or authentication failure","Malformed JSON body returns a 400 error"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA3-224 digest (Keccak-based, 224-bit output) returned in lowercase hexadecimal format. Prefer it over SHA2-224 when SHA-3 family resistance properties are required. Use the free sandbox endpoint (/v1/sandbox/digest-sha3-224-hex) first for testing. Choose a sibling endpoint if you need a different hash algorithm (MD5, RIPEMD-160, SHA-512) or a different output encoding (base32, base64, base64url).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:47.872Z","isFirstParty":false,"canonicalSlug":"sha3-224-hex-digest-ef36289f"}