{"uid":"cap_rBKrk5QY7vCRBLq4Sj1p1","slug":"pennyrail-sha-256-hash-b4341feb","name":"PennyRail SHA-256 Hash","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/f/crypto.sha256","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"string"}}},"responseSchema":{"type":"object","required":["operation","result"],"properties":{"result":{},"operation":{"type":"string"}},"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_sqZAjQqNJOQd-QcurzZRO","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 the SHA-256 cryptographic hash of a given input string and returns the hex digest","exampleAgentPrompt":"Can you compute the SHA-256 hash of the string 'hello world' for me?","exampleUseCases":[{"title":"Data integrity fingerprinting","prompt":"Hash this JSON payload string for me so I can store its SHA-256 fingerprint and detect any future tampering: '{\"user\":\"alice\",\"balance\":100}'"},{"title":"Password pre-hashing before storage","prompt":"Take the plaintext password 'MyS3cur3Pass!' and give me its SHA-256 hash so I can compare it against what's stored in our database."},{"title":"Content deduplication key generation","prompt":"I need a unique key for this document — can you SHA-256 hash this text so I can use it as a deduplication ID: 'Invoice #4892 dated 2024-06-01 for $500'?"}],"resultDescription":"Returns a JSON object with an 'operation' field (e.g. 'crypto.sha256') confirming what was performed, and a 'result' field containing the SHA-256 hex digest of the input string.","failureModes":["Missing 'input' field returns a validation error","Non-string input types may cause a 400 error","Payment failure (insufficient USDC balance) returns a 402 Payment Required","Network timeouts on the Vercel edge function may return 504"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, serverless SHA-256 hashing service accessible via HTTP without managing any infrastructure. It is ideal for agents that need occasional, lightweight cryptographic hashing billed at fractions of a cent per call via x402/USDC micropayments, rather than running a local crypto library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:46:58.584Z","isFirstParty":false}