{"uid":"cap_G3mJXikzmqkaKcVnO41XC","slug":"one-engine-text-normalize-uppercase-c7f2bb11","name":"ONE Engine Text Normalize Uppercase","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v3/text-normalize/uppercase/t3?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text up to 50000 characters"}}},"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_r3cFwFeeckYsIYV6EUnr7","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 input text to uppercase (all capital letters) via a pay-per-call API on Base using x402.","exampleAgentPrompt":"Can you convert this text to all uppercase for me: 'hello world, this is a test message'?","exampleUseCases":[{"title":"Normalize user input for matching","prompt":"Take this user-submitted product code 'abc-Widget-42x' and convert it to all uppercase so I can compare it against our inventory database."},{"title":"Format legal document header","prompt":"I need this clause title converted to all caps for a contract header: 'terms and conditions of service agreement' — can you uppercase it?"},{"title":"Prepare data for CSV export","prompt":"I have a list of country names that need to be all uppercase before I export them to a CSV — can you convert 'united states, canada, united kingdom, australia' to uppercase?"}],"resultDescription":"Returns a JSON object containing the uppercased version of the submitted text, with all alphabetic characters converted to their capital equivalents while non-alphabetic characters remain unchanged.","failureModes":["Text exceeds 50,000 character limit — request rejected","Empty or missing 'text' field — validation error returned","Payment failure via x402 — 402 response if USDC balance insufficient","Network timeout on Cloudflare Worker — intermittent 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call uppercase text conversion without managing your own string processing infrastructure. At $0.001 USDC per call via x402 on Base, it is ideal for autonomous agents that occasionally need text normalization without a subscription or API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:12.279Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-uppercase-f9ce816d"}