{"uid":"cap_dapTtkZQjilKYh0zhB1Qs","slug":"one-engine-text-normalize-lowercase-55460fe2","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/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_cgynyAcjLQ85aHbwP6QDH","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 all characters in a text string to lowercase using a pay-per-call API on Base via x402.","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 user input before storage","prompt":"Before saving this user-submitted product title to the database, convert it all to lowercase: 'Apple MacBook Pro 16-Inch M3 MAX'"},{"title":"Prepare text for case-insensitive matching","prompt":"I need to compare these two strings without caring about case — can you lowercase both of them first? Here's the first one: 'John Smith Jr. PhD'"},{"title":"Standardize scraped web content","prompt":"I just scraped some article headlines and they have inconsistent casing all over the place. Can you normalize this to lowercase: 'BREAKING: Major TECH Company Announces NEW Product LINE'"}],"resultDescription":"A JSON object containing the lowercased version of the input text, with all uppercase and mixed-case characters converted to their lowercase equivalents.","failureModes":["Text exceeds 50,000 character limit — request rejected with validation error","Payment failure via x402 on Base — 402 response if USDC balance insufficient","Empty or missing 'text' field — required field validation error","Network timeout on Cloudflare Workers edge — transient 5xx error"],"whenToPreferThis":"Prefer this endpoint when you need a simple, reliable, pay-per-call lowercase conversion without managing any infrastructure, and when operating in an autonomous agent context that already uses x402 micropayments on Base. Ideal for agents that need deterministic, stateless string normalization at $0.001 USDC per call with no subscription or API key overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:32.459Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-lowercase-ac165b08"}