{"uid":"cap_BB4wP10K_44hNZ1-S3CyA","slug":"agentshelf-syntexa-ch-blake2b-512-base32-digest-db165d99","name":"agentshelf.syntexa.ch BLAKE2b-512 Base32 Digest","description":"Call when an agent needs a blake2b512 digest of text, encoded as base32. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base32 first.","url":"https://agentshelf.syntexa.ch/v1/digest-blake2b512-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_O6tnvo4WXGFMfHzQH5vFM","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 BLAKE2b-512 cryptographic hash of input text and returns it encoded as a Base32 string, with optional HMAC key support.","exampleAgentPrompt":"Compute a BLAKE2b-512 hash of the text 'Hello, world! This is my document content.' and give me the result encoded as Base32.","exampleUseCases":[{"title":"Content deduplication fingerprinting","prompt":"Hash this article text using BLAKE2b-512 and return the Base32 digest so I can use it as a deduplication key: 'The quick brown fox jumps over the lazy dog. This is the full article body.'"},{"title":"Keyed integrity check for data pipeline","prompt":"Compute a keyed BLAKE2b-512 digest of the string 'user_id=42,action=purchase,amount=99.99' using the key 'my-secret-pipeline-key', and give me the Base32-encoded result."},{"title":"Deterministic content ID generation","prompt":"I need a Base32-encoded BLAKE2b-512 hash of this JSON payload so I can use it as a unique content identifier: '{\"event\":\"signup\",\"email\":\"alice@example.com\",\"ts\":1700000000}'"}],"resultDescription":"Returns a BLAKE2b-512 cryptographic digest of the provided text, encoded as an uppercase Base32 string. No network calls or LLM inference are involved; the computation is deterministic and reproducible given the same input.","failureModes":["Empty or missing 'text' field returns a validation error","Text exceeding 100,000 characters is rejected","Key exceeding 512 characters is rejected","Malformed JSON body returns a 400 error","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you specifically need a BLAKE2b-512 hash (not SHA-256, SHA-3, or BLAKE2s) and require Base32 output encoding (not hex or Base64). It is ideal for systems that use Base32-friendly identifiers, case-insensitive hash strings, or interoperability with Base32-native protocols. Prefer the free sandbox endpoint /v1/sandbox/digest-blake2b512-base32 for testing before incurring the $0.008 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:45:27.439Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-ch-blake2b-512-base32-digest-db165d99"}