{"uid":"cap_mF7DZxbCY1dtRNfbd9h2d","slug":"pennyrail-text-uppercase-converter-f9e1b209","name":"PennyRail Text Uppercase Converter","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/text.uppercase--uppercase-text","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_Q7zdRM5k3p13KgeZ8mFCB","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":"Converts an input string to uppercase via a paid micro-API endpoint using the x402 payment protocol","exampleAgentPrompt":"Can you convert the text 'hello world, this is a test' to uppercase using the PennyRail text transformer?","exampleUseCases":[{"title":"Normalize user input for display","prompt":"Take the string 'john doe — account holder' and convert it to all uppercase so I can use it in the header of a printed form."},{"title":"Standardize product codes in pipeline","prompt":"I need to uppercase the product code 'sku-abc-123x' before storing it in our inventory system — can you run it through the text uppercaser?"},{"title":"Format legal document title","prompt":"Please convert 'terms and conditions agreement — version 2.0' to uppercase so it looks right as a section heading in the contract."}],"resultDescription":"A JSON object containing the uppercase version of the submitted input string. The response schema is open (additionalProperties: true), so the exact field name for the result may vary, but the transformed all-caps text is the primary payload.","failureModes":["Missing 'input' field in request body — returns a validation error","Payment not settled via x402 protocol — returns HTTP 402 Payment Required","Non-string value passed as input — may cause a processing error","Network or Vercel deployment downtime — returns 5xx error","Empty string input — may return empty string or an error depending on server logic"],"whenToPreferThis":"Choose this endpoint when you need a simple, on-demand text-to-uppercase conversion billed per call at $0.001 USDC via the x402 micropayment protocol. It is best suited for agent workflows that require pay-per-use text normalization without setting up a full NLP or text-processing service. If you need free or high-volume uppercase conversion, a local string method or free API would be more appropriate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:17:24.290Z","isFirstParty":false}