{"uid":"cap_rxQPWQ_Pwkhc6K8B3C-C1","slug":"pennyrail-text-reverse-f94490cf","name":"PennyRail Text Reverse","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/text.reverse--reverse-string","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_QewUvXroWKot6qWNvIgOm","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":"Reverses a given input string and returns the result as a paid micro-transaction API call","exampleAgentPrompt":"Can you reverse the string 'Hello, World!' for me using PennyRail's text reversal service?","exampleUseCases":[{"title":"Palindrome verification helper","prompt":"Take the word 'racecar' and reverse it so I can check if it reads the same backwards."},{"title":"Encode or obfuscate text snippet","prompt":"Reverse this short label 'OrderID-4892' so I can store it in a lightly obfuscated format."},{"title":"Debug string serialization issue","prompt":"I'm getting garbled output and want to sanity-check: can you reverse the string 'dlroW olleH' to see if it comes back to 'Hello World'?"}],"resultDescription":"A JSON object containing the reversed version of the input string. The response schema is open-ended (additionalProperties: true), so the exact field name for the reversed result may vary, but the primary payload is the character-reversed form of the submitted input string.","failureModes":["Missing required 'input' field returns a validation error","Empty string input may return an empty string or an error","Payment failure (402) if USDC balance is insufficient or x402 header is missing/invalid","Network timeout on Vercel cold start","Non-string input type may cause a schema validation rejection"],"whenToPreferThis":"Choose this endpoint when you need a simple, on-demand string reversal via a paid micro-API with x402 settlement — useful in automated pipelines where you want a lightweight, stateless text transformation with per-call micropayment billing rather than running your own reversal logic or integrating a heavier NLP service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:46:24.252Z","isFirstParty":false}