{"uid":"cap_KF3NhqHV1XmZIGyqToZ55","slug":"ripemd-160-hex-digest-0e8114a9","name":"RIPEMD-160 Hex Digest","description":"Call when an agent needs a ripemd160 digest of text, encoded as hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-ripemd160-hex first.","url":"https://agentshelf.syntexa.ch/v1/digest-ripemd160-hex?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":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JTLqpclmQw0KpDrQuv_f3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the RIPEMD-160 cryptographic hash of input text and returns it as a lowercase hexadecimal string","exampleAgentPrompt":"Can you compute the RIPEMD-160 hash of the string 'Hello, World!' and give me the result as a hex string?","exampleUseCases":[{"title":"Bitcoin address derivation step","prompt":"I need the RIPEMD-160 hex digest of this SHA-256 output string '6a2a9b5d3c1e8f4b2d9c7a0e5b3f1d8c2e6a4b9d7c5f3a1b8e6d4c2f0a7b5e3' to use in a Bitcoin address generation pipeline — can you compute that?"},{"title":"Verify legacy hash fingerprint","prompt":"Can you hash the text 'syntexa-agent-token-2024' with RIPEMD-160 and return it as hex so I can compare it against a stored fingerprint in our old system?"},{"title":"Content integrity tag generation","prompt":"I want to generate a RIPEMD-160 hex digest of this document excerpt 'Terms of service version 3.2 updated April 2024' to use as a compact integrity tag — can you do that?"}],"resultDescription":"Returns a 40-character lowercase hexadecimal string representing the RIPEMD-160 digest of the provided input text. No network calls are made; computation is entirely local and deterministic.","failureModes":["Empty or missing 'text' field returns a validation error","Input text exceeding 100,000 characters is rejected","Missing or invalid payment (x402) results in a 402 Payment Required response","Malformed JSON body returns a 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you specifically need a RIPEMD-160 hash (not SHA-256, MD5, or SHA-1) encoded as hex — common in Bitcoin/blockchain address derivation, legacy compatibility systems, or when interoperability with RIPEMD-160-based protocols is required. Prefer the free sandbox endpoint POST /v1/sandbox/digest-ripemd160-hex for testing before incurring the $0.003 USDC cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:52:27.154Z","isFirstParty":false,"canonicalSlug":"ripemd-160-hex-digest-0e8114a9"}