{"uid":"cap_gn-0RNgnw3YjdVVo6wgDy","slug":"sha-224-base64url-digest-f797ffe7","name":"SHA-224 Base64url Digest","description":"Call when an agent needs a sha224 digest of text, encoded as base64url. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha224-base64url first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha224-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_SeUftCy8gHR1O1LWeZoSl","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 SHA-224 cryptographic hash of input text and returns it encoded as base64url, with no network or LLM dependency.","exampleAgentPrompt":"Can you give me the SHA-224 hash of the text 'Hello, world!' encoded as base64url?","exampleUseCases":[{"title":"Content integrity fingerprinting","prompt":"Hash this document body with SHA-224 and give me the base64url digest so I can use it as a fingerprint: 'This agreement is binding and effective as of January 1, 2025.'"},{"title":"Generating deterministic URL-safe identifiers","prompt":"I need a stable, URL-safe identifier for this user email address — can you compute the SHA-224 base64url hash of 'alice@example.com'?"},{"title":"Verifying message authenticity","prompt":"Compute the SHA-224 base64url digest of this payload so I can compare it against the expected checksum: '{\"event\":\"purchase\",\"amount\":42.00}'"}],"resultDescription":"Returns the SHA-224 digest of the input text encoded in base64url format (no padding, URL-safe characters). The response is a short deterministic string suitable for use in URLs, headers, or as a compact fingerprint.","failureModes":["Missing or empty 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Missing or invalid 'key' field returns an authentication/authorization error","Payment not completed (HTTP 402) if x402 payment is not resolved","Non-UTF-8 or malformed input may cause a 400 error"],"whenToPreferThis":"Choose this endpoint when you need a SHA-224 hash specifically encoded as base64url (URL-safe, no padding) rather than hex or standard base64. It is ideal when downstream systems expect base64url-encoded digests — for example, in JWT or URL components. Prefer the free sandbox POST /v1/sandbox/digest-sha224-base64url first for testing; use this paid endpoint for production workloads requiring guaranteed availability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:46.375Z","isFirstParty":false,"canonicalSlug":"sha-224-base64url-digest-f797ffe7"}