{"uid":"cap_UcWx6UD_Gwyt4DPLWDS0s","slug":"sha-512-224-hex-digest-cd5cb75e","name":"SHA-512/224 Hex Digest","description":"Call when an agent needs a sha512-224 digest of text, encoded as hex. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-hex first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-224-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":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_29u4PP42q_S04SjyW-CZm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-512/224 cryptographic hash of input text and returns it as a lowercase hexadecimal string","exampleAgentPrompt":"Can you give me the SHA-512/224 hex digest of the text 'Hello, world!'?","exampleUseCases":[{"title":"File integrity checksum generation","prompt":"I need the SHA-512/224 hex hash of this config file content so I can verify it hasn't been tampered with: 'server_host=localhost;port=8080;debug=false'"},{"title":"Message deduplication fingerprinting","prompt":"Compute the SHA-512/224 hex digest of this log entry so I can use it as a deduplication key: '2024-01-15T10:23:45Z ERROR Connection timeout after 30s on host db-primary'"},{"title":"Password pre-hashing before storage","prompt":"Hash this passphrase using SHA-512/224 and give me the hex output: 'correct horse battery staple 42'"}],"resultDescription":"Returns a lowercase hexadecimal string representing the SHA-512/224 digest of the input text. The output is a deterministic 56-character hex string (224 bits) uniquely identifying the input content.","failureModes":["Empty or missing text field returns validation error","Text exceeding 100,000 characters is rejected","Missing or invalid API key returns authentication error","Malformed JSON request body returns 400 error","Payment failure or insufficient USDC balance returns 402"],"whenToPreferThis":"Choose this endpoint when you need a compact SHA-512/224 hash in hexadecimal format specifically — it is faster and produces a shorter digest than full SHA-512 while retaining strong collision resistance. Prefer this over SHA-256 hex when you need the SHA-512/224 standard specifically for compliance or interoperability. Use the free sandbox endpoint POST /v1/sandbox/digest-sha512-224-hex for testing before incurring the $0.001 USDC cost. No external network calls or LLM inference are involved, making this deterministic and fast.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:47.874Z","isFirstParty":false,"canonicalSlug":"sha-512-224-hex-digest-cd5cb75e"}