{"uid":"cap_AM1aOtY5vC5HO5IIg2w_y","slug":"sha-224-hash-digest-api-90199feb","name":"SHA-224 Hash Digest API","description":"SHA-224 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/hash-sha224?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"hex":{"type":"string","pattern":"^0x[0-9a-fA-F]*$"},"text":{"type":"string","maxLength":49152}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"hash-sha224","receipt":{"tx_hash":"0x<64hex>","amount_usd":0.001,"receipt_id":"g402-<16hex>"},"generated_at":"<iso8601>"}},"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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ahVfdsnmxu3Qkk3lgBbz5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the SHA-224 cryptographic digest of a given text string or raw hex-encoded bytes","exampleAgentPrompt":"Can you compute the SHA-224 hash of the text 'Hello, world!'?","exampleUseCases":[{"title":"Document integrity fingerprinting","prompt":"Hash this contract text with SHA-224 so I can store the fingerprint for later integrity verification: 'This agreement is entered into on January 1, 2025 between Party A and Party B...'"},{"title":"Hex bytes digest computation","prompt":"Give me the SHA-224 digest of these raw bytes: 0x48656c6c6f576f726c64"},{"title":"Password pre-hashing before storage","prompt":"I need to SHA-224 hash the string 'MyS3cureP@ssphrase' before I store a derived key — can you compute that digest for me?"}],"resultDescription":"Returns a JSON object with ok:true, the SHA-224 digest of the input, a type field indicating 'hash-sha224', a generated_at ISO8601 timestamp, and a payment receipt containing the transaction hash, USD amount, and receipt ID.","failureModes":["Input text exceeds 49152 character limit — returns validation error","Hex string does not match pattern ^0x[0-9a-fA-F]*$ — returns schema validation error","Neither text nor hex parameter provided — likely returns error or empty digest","Payment failure over x402 protocol — transaction not processed, hash not returned","Network timeout — no response received"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHA-224 (224-bit truncated SHA-2) digest, which produces a shorter hash than SHA-256 while remaining in the SHA-2 family. It is preferable over SHA-512 when output size matters and over MD5/SHA-1 when security is a concern. Ideal for protocols or standards that explicitly require SHA-224. Use the hex input mode for binary data and the text mode for strings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:44.340Z","isFirstParty":false,"canonicalSlug":"sha-224-hash-digest-api-90199feb"}