{"uid":"cap_TpwpynxCHf0O-mrB17Aao","slug":"pennyrail-text-reversal-7875689b","name":"PennyRail Text Reversal","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/text.reverse--string-backwards","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_Rg6tm-8y7618KSypPQT3_","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 the characters of an input string, returning it backwards","exampleAgentPrompt":"Can you reverse the string 'Hello, World!' so it reads backwards character by character?","exampleUseCases":[{"title":"Reverse a word for a puzzle","prompt":"Take the word 'enigma' and give me it spelled completely backwards — every letter reversed."},{"title":"Flip a phrase for a game","prompt":"I need the phrase 'the quick brown fox' reversed character by character for a word game I'm building."},{"title":"Check palindrome candidate","prompt":"Reverse the string 'racecar' for me so I can compare it to the original and see if it's a palindrome."}],"resultDescription":"Returns an object containing the reversed version of the input string, with all characters in reverse order from the original.","failureModes":["Missing 'input' field returns a validation error","Non-string input may cause a type error","Empty string input may return empty string or an error","Payment failure (402) if USDC balance is insufficient or x402 header is missing"],"whenToPreferThis":"Use this endpoint when you need a simple, reliable, pay-per-call string reversal without deploying your own infrastructure. Ideal for agents that occasionally need text reversal as a micro-utility and want to avoid maintaining custom code. Not appropriate for bulk/batch processing of many strings at once due to per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:00:46.210Z","isFirstParty":false}