{"uid":"cap_56zSAU4GA7B_f1M-BLlcQ","slug":"shake-256-digest-with-base32-encoding-7cbdbae0","name":"SHAKE-256 Digest with Base32 Encoding","description":"Call when an agent needs a shake256 digest of text, encoded as base32. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-shake256-base32 first.","url":"https://agentshelf.syntexa.ch/v1/digest-shake256-base32?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":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Nwp-mq_Td1ltWGdlYzj28","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHAKE-256 cryptographic hash of input text and returns the digest encoded in Base32 format.","exampleAgentPrompt":"Hash the text 'Hello, world! This is my document content.' using SHAKE-256 and give me the result encoded in Base32.","exampleUseCases":[{"title":"Data integrity fingerprint for a payload","prompt":"I need a SHAKE-256 digest of this JSON payload encoded in base32 so I can use it as a tamper-evident fingerprint: '{\"orderId\":\"abc123\",\"amount\":99.99}'"},{"title":"Content deduplication by hash","prompt":"Compute a base32-encoded SHAKE-256 hash of the following article text so I can use it to detect duplicates in my content database: 'The quick brown fox jumps over the lazy dog repeatedly.'"},{"title":"Keyed hash for cache key generation","prompt":"Generate a SHAKE-256 base32 digest of the string 'user:42:profile:v3:en' using the key 'my-cache-namespace' — I want to use it as a compact, fixed-length cache key."}],"resultDescription":"A Base32-encoded string representing the SHAKE-256 digest of the submitted text. The response is a deterministic, fixed-output hash that can be used for integrity checking, deduplication, or fingerprinting.","failureModes":["Empty or missing 'text' field returns a validation error","'text' field exceeding 100,000 characters is rejected","Missing or empty 'key' field may cause a validation error depending on whether it is required","Invalid JSON body returns a 400-level error","Payment not included or insufficient USDC (not $0.008) results in a 402 Payment Required response","Network or server error returns a 5xx response"],"whenToPreferThis":"Choose this endpoint when you specifically need a SHAKE-256 (XOF/extendable-output) hash and the consumer of the digest expects Base32 encoding (e.g., case-insensitive systems, certain identifier schemes). Prefer the free sandbox endpoint (/v1/sandbox/digest-shake256-base32) for testing. Use the SHAKE-128 variant if you need lower computational cost and the shorter digest strength is acceptable. Use the hex-encoded SHAKE-256 sibling if your system expects hexadecimal output instead of Base32.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:34.696Z","isFirstParty":false,"canonicalSlug":"shake-256-digest-with-base32-encoding-7cbdbae0"}