{"uid":"cap_2SRkNJrc1P37fV4-BN-U1","slug":"pennyrail-sha-256-hash-endpoint-06cf0dac","name":"PennyRail SHA-256 Hash Endpoint","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/crypto.sha256--sha-256","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_G2oDibBUFRpH9JsLmZlxT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a SHA-256 cryptographic hash of a given input string, delivered as a paid micro-service via x402 settlement.","exampleAgentPrompt":"Can you hash the string 'hello world' using SHA-256 and give me the digest?","exampleUseCases":[{"title":"Deduplicate records by content hash","prompt":"I need to detect duplicate entries in my pipeline — can you SHA-256 hash this string 'user:john@example.com:2024-01-15' so I can use it as a unique content fingerprint?"},{"title":"Integrity check before storing data","prompt":"Before I store this payload, hash the string 'transaction:abc123:500USD' with SHA-256 so I can keep a checksum and verify it hasn't been tampered with later."},{"title":"Generate deterministic key from input","prompt":"Hash the string 'my-secret-seed-phrase-42' with SHA-256 — I want a deterministic identifier to use as a lookup key in my database."}],"resultDescription":"Returns a JSON object containing the SHA-256 hex digest of the provided input string. The response schema is open (additionalProperties: true), so the hash value is returned alongside any metadata fields the service includes.","failureModes":["Missing 'input' field in request body returns a validation error","Non-string input type may cause schema rejection","Payment failure via x402 protocol results in 402 Payment Required before computation occurs","Empty string input is accepted but produces a known fixed hash","Network timeout on Vercel cold start may cause delayed response"],"whenToPreferThis":"Choose this endpoint when you need a simple, pay-per-call SHA-256 hash computation without setting up local crypto libraries, or when operating inside an agent workflow that already uses x402 micro-payment infrastructure. It is ideal for lightweight, stateless hashing tasks where integrating a full cryptography dependency is undesirable. Avoid it for bulk hashing operations where per-call cost would accumulate significantly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.332Z","isFirstParty":false}