{"uid":"cap_pEhpr03-IsPBFRwWwl_n_","slug":"one-engine-text-normalize-lowercase-2c652c8f","name":"ONE Engine Text Normalize Lowercase","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/lowercase/t1?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":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0iJfxoCqOh-Xbi8HTDUBq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","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 all-lowercase characters via a pay-per-call API using x402 micropayments on Base.","exampleAgentPrompt":"Can you lowercase all the text in this string for me: 'Hello World, THIS IS A TEST of Mixed CASE Text!'","exampleUseCases":[{"title":"Normalize search query before indexing","prompt":"Take this user search query and convert it to all lowercase so I can do a case-insensitive lookup: 'iPhone 15 Pro MAX Black Friday DEALS'"},{"title":"Standardize user-submitted form input","prompt":"I've got a user registration email field that came in as 'JohnDOE@Example.COM' — can you lowercase it so I can store it consistently in my database?"},{"title":"Preprocess document text for NLP pipeline","prompt":"Before I run sentiment analysis on this product review, I need it fully lowercased: 'This Product Is AMAZING but the Shipping was TERRIBLE and took 3 Weeks!'"}],"resultDescription":"Returns a JSON object containing the processed text with all alphabetic characters converted to lowercase. The response schema is open (additionalProperties: true), so the lowercased result is included in the returned object alongside any metadata the service provides.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Payment not included or insufficient USDC balance via x402 — 402 Payment Required response","Empty text field or missing required 'text' property — validation error","Network timeout on the Cloudflare Worker endpoint","Non-UTF-8 or malformed text encoding causing processing errors"],"whenToPreferThis":"Choose this endpoint when you need a reliable, cheap, pay-per-call text lowercasing operation within an autonomous agent pipeline that already uses x402 micropayments on Base. It is ideal for agents that need to normalize text casing before comparisons, indexing, or NLP tasks without spinning up a local string library. At $0.0005 USDC per call it is cost-effective for occasional agent-driven text normalization tasks where simplicity and no-setup overhead matter more than batching.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:47.871Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-lowercase-ac165b08"}