{"uid":"cap_lVfzS5UobhSI8eriRGcpC","slug":"one-engine-text-uppercase-converter-66af59b1","name":"ONE Engine Text Uppercase Converter","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/t4?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":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-ppiTh-tEMgvbzUyNC2ic","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","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 using x402 on Base.","exampleAgentPrompt":"Can you convert this text to all uppercase letters: 'The quick brown fox jumps over the lazy dog'?","exampleUseCases":[{"title":"Normalize labels for data pipeline","prompt":"I need to uppercase all these product category names before inserting them into the database: 'electronics, home goods, sporting equipment, toys, apparel' — convert them all to caps."},{"title":"Prepare text for display headers","prompt":"Convert this headline to all uppercase for our banner: 'Summer Sale — Up to 50% Off All Items This Weekend Only'"},{"title":"Standardize user input for matching","prompt":"Take this user-submitted country name and convert it to uppercase so I can match it against our reference list: 'united states of america'"}],"resultDescription":"A JSON object containing the uppercased version of the submitted text, with all alphabetic characters converted to their capital equivalents and non-alphabetic characters preserved.","failureModes":["Text exceeds 50,000 character limit — request rejected","Empty text field — likely returns an error or empty result","Payment failure via x402 — 402 response if USDC balance insufficient or payment not attached","Malformed JSON body — 400 bad request","Network timeout on the Cloudflare Workers edge"],"whenToPreferThis":"Choose this endpoint when you need a reliable, low-cost, pay-per-call uppercase conversion without managing your own string processing infrastructure, especially in agent workflows already using x402 micropayments on Base. Ideal for agentic pipelines that need stateless, single-purpose text normalization utilities at $0.0015 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:35.945Z","isFirstParty":false,"canonicalSlug":"one-engine-text-uppercase-converter-a15351a7"}