{"uid":"cap_i6zKACNQpkU-Z_uIR4BFQ","slug":"pennyrail-text-lowercase-converter-2731b5e4","name":"PennyRail Text Lowercase Converter","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/f/text.lowercase","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_g8EdosSZc3J-Obi6uUDRc","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 all lowercase characters via a paid micro-settlement API endpoint","exampleAgentPrompt":"Can you lowercase this string for me: 'Hello World, THIS Is A TEST'?","exampleUseCases":[{"title":"Normalize user input for search","prompt":"Take this search query 'ProductName XYZ ULTRA' and convert it to all lowercase so I can do a case-insensitive lookup."},{"title":"Standardize data pipeline field","prompt":"I'm processing a CSV column with mixed-case entries like 'JOHN DOE', 'Jane Smith', 'jANE dOE' — can you run each through the lowercase converter to normalize them?"},{"title":"Lowercase a product title before storage","prompt":"Before I save this product title 'Apple MacBook PRO 16-Inch' to the database, convert it to all lowercase for me."}],"resultDescription":"Returns a JSON object with an 'operation' field (a string identifying the operation performed, e.g. 'text.lowercase') and a 'result' field containing the fully lowercased version of the input string.","failureModes":["Missing 'input' field in request body returns a validation error","Non-string input type may cause a processing error or unexpected result","Payment failure or insufficient USDC balance returns a 402 Payment Required error","Empty string input may return an empty result with no error","Network or server errors on vercel.app infrastructure may return 5xx responses"],"whenToPreferThis":"Choose this endpoint when you need a simple, reliable, pay-per-use text lowercasing operation without maintaining your own infrastructure, particularly in agentic or micro-payment-enabled pipelines that already use the x402 payment protocol with USDC. It's well-suited for lightweight string normalization tasks where spinning up a full NLP service is overkill.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.815Z","isFirstParty":false}