{"uid":"cap_tUNHRIxv-tI-OZroKh4D8","slug":"one-engine-text-normalize-lowercase-270feaea","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/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_ab-TvglADay3e8CEjxxnW","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 all-lowercase characters using a pay-per-call API over x402 on Base.","exampleAgentPrompt":"Can you lowercase this text for me: 'Hello World, THIS is a TEST String with Mixed CASE letters' — I need it fully normalized to lowercase.","exampleUseCases":[{"title":"Normalize user input before storage","prompt":"Before saving this form submission to our database, lowercase the text field so casing is consistent: 'John DOE, New York, USA'."},{"title":"Standardize search query casing","prompt":"I need to normalize this search query to lowercase before running a comparison: 'Advanced Machine Learning TECHNIQUES in 2024'."},{"title":"Clean scraped content for processing","prompt":"Take this scraped article headline and convert it all to lowercase so I can run my keyword matching on it: 'BREAKING: Major Tech Company Announces RECORD Profits This Quarter'."}],"resultDescription":"Returns a JSON object containing the lowercased version of the submitted text string, up to 50,000 characters long.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Payment failure via x402 protocol — 402 response if payment is not accepted","Empty or missing 'text' field in request body — validation error","Malformed JSON body — parse error response","Network timeout on Cloudflare Worker edge node"],"whenToPreferThis":"Choose this endpoint when you need a cheap, reliable, pay-per-call lowercase normalization step in an autonomous agent pipeline without managing your own compute. At $0.0015 USDC per call it is cost-effective for high-throughput text normalization tasks. Prefer it over rolling your own logic when operating in an x402-native agent environment on Base where micropayments are already wired in.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:50.802Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-lowercase-ac165b08"}