{"uid":"cap_si99G8e8uYUBsULkWHxck","slug":"pennyrail-text-uppercase-converter-d2f91b35","name":"PennyRail Text Uppercase Converter","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/f/text.uppercase","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_qAJltFw1MzAWDagohBlXK","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 text via a paid micro-transaction API endpoint","exampleAgentPrompt":"Can you uppercase the string 'hello world' using PennyRail's text converter?","exampleUseCases":[{"title":"Normalize user input for comparison","prompt":"Take the string 'john doe' and convert it to uppercase so I can do a case-insensitive comparison in my database lookup."},{"title":"Format product code for display","prompt":"I need to display the product code 'sku-abc123x' in all caps on the invoice — can you uppercase it for me?"},{"title":"Standardize country code submission","prompt":"Convert the country name 'united states' to uppercase before I submit it to the external compliance API that requires all-caps input."}],"resultDescription":"Returns a JSON object containing the operation name (e.g. 'text.uppercase') and the result, which is the input string transformed to all uppercase characters.","failureModes":["Missing 'input' field returns a validation error","Non-string input may cause type errors or unexpected results","Payment of 0.001 USDC must succeed via x402 protocol or the call is rejected","Empty string input may return an empty result without error","Network timeout on Vercel serverless cold start"],"whenToPreferThis":"Choose this endpoint when you need a simple, reliable, pay-per-call uppercase text transformation with no authentication setup and deterministic output. Best suited for lightweight agent workflows that need string normalization on demand without maintaining a service subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:56.907Z","isFirstParty":false}