{"uid":"cap_sK7J6t_ea9tR1FPDZnDbW","slug":"pennyrail-text-reverse-05a7183a","name":"PennyRail Text Reverse","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/f/text.reverse","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_eBNf7m-rpqE6ayW-_fm-R","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, returning the characters in reverse order","exampleAgentPrompt":"Can you reverse the string 'Hello, World!' for me using PennyRail's text reverse endpoint?","exampleUseCases":[{"title":"Palindrome detection preprocessing","prompt":"Take the word 'racecar' and reverse it so I can compare it to the original to check if it's a palindrome."},{"title":"Obfuscate display text","prompt":"Reverse the string 'my secret phrase' so I can display it backwards on the page as a simple obfuscation."},{"title":"Debugging string pipeline","prompt":"Reverse this test string 'abcdef123' so I can verify my string processing pipeline handles reversed input correctly."}],"resultDescription":"Returns a JSON object containing an 'operation' field (a string naming the operation performed, e.g. 'reverse') and a 'result' field containing the reversed version of the input string.","failureModes":["Missing 'input' field returns a 400-level error","Non-string input may return unexpected results or an error","Payment not provided or failed returns a 402 Payment Required","Empty string input may return an empty result or an error","Service unavailability on Vercel hosting returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call string reversal via a micropayment-gated API (x402/USDC), particularly within agentic workflows that already integrate with the x402 payment protocol and need a simple, reliable text transformation primitive.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:58.095Z","isFirstParty":false}