{"uid":"cap_7DYFdIIxMxT0h67EBd_Lc","slug":"sha-512-224-digest-base64-agentshelf-syntexa-ch-99ff3a2e","name":"SHA-512/224 Digest (Base64) — agentshelf.syntexa.ch","description":"Call when an agent needs a sha512-224 digest of text, encoded as base64. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64 first.","url":"https://agentshelf.syntexa.ch/v1/digest-sha512-224-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_GKBbBGKwjXsqxvvUt43fu","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 SHA-512/224 cryptographic hash of input text and returns the digest encoded as base64, with no network calls or LLM involvement.","exampleAgentPrompt":"Can you give me the SHA-512/224 hash of the text 'Hello, world!' encoded as base64?","exampleUseCases":[{"title":"Integrity fingerprint for log entries","prompt":"Take this log line — 'ERROR 2024-06-01T12:00:00Z service crashed' — and give me its SHA-512/224 digest in base64 so I can use it as a tamper-evident fingerprint."},{"title":"Deterministic ID from user input","prompt":"I need a short, stable base64 hash of the string 'user:alice@example.com:2024' using SHA-512/224 to use as a deterministic record ID."},{"title":"Checksum for config file contents","prompt":"Hash this config snippet using SHA-512/224 and return it base64-encoded so I can store a compact checksum alongside the file: 'host=localhost port=5432 db=myapp'."}],"resultDescription":"Returns a base64-encoded SHA-512/224 digest string computed from the provided input text. The output is a deterministic, fixed-length hash suitable for integrity checks, fingerprinting, or use as a compact identifier.","failureModes":["Text or key exceeding maximum length (100,000 or 512 characters respectively) returns a validation error","Empty text or key field returns a validation error","Malformed request body returns a 400-level error","Payment failure or insufficient USDC balance returns a 402 Payment Required error"],"whenToPreferThis":"Choose this endpoint when you need a compact, secure cryptographic hash of text using the SHA-512/224 algorithm and want the result base64-encoded — especially when you want to avoid running your own crypto library, need a serverless/stateless hash with no external network calls, or are operating in an agent pipeline that pays per-use via USDC. Prefer the free sandbox endpoint (/v1/sandbox/digest-sha512-224-base64) for testing before using the paid version.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:21.482Z","isFirstParty":false,"canonicalSlug":"sha-512-224-digest-base64-agentshelf-syntexa-ch-99ff3a2e"}