{"uid":"cap_QBjZWqkY6Hlm6PQWAveHy","slug":"one-engine-text-lowercase-converter-0e35e174","name":"ONE Engine Text Lowercase Converter","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v1/text/lowercase?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"}}},"responseSchema":{"type":"json","example":{"text":"hello world"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0009","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":"$0.0009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oFPYtpQ2RLs43Xs1iyHeS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a given text string to all lowercase characters via a pay-per-call API endpoint.","exampleAgentPrompt":"Can you lowercase this text for me: 'Hello World, THIS is a TEST String'?","exampleUseCases":[{"title":"Normalize user input before search","prompt":"Take this user-submitted search query — 'MacBook Pro DEALS Sale' — and convert it to all lowercase so I can compare it consistently against my product index."},{"title":"Sanitize email address casing","prompt":"I need to normalize this email address to lowercase before storing it: 'JohnDoe@Example.COM' — can you convert it?"},{"title":"Standardize tag or label casing","prompt":"Convert this category label to lowercase for me: 'ELECTRONICS & Home Appliances' — I want consistent formatting across all my tags."}],"resultDescription":"A JSON object containing the field 'text' with the value of the input string converted entirely to lowercase characters. For example, input 'Hello World' returns {\"text\": \"hello world\"}.","failureModes":["Missing 'text' field in request body — likely returns a 400 or validation error","Payment failure or insufficient USDC balance — returns HTTP 402 with payment requirements","Empty string input may return an empty string output without error","Non-string value for 'text' field may result in a type error or unexpected behavior","Network timeout on the Cloudflare Workers edge — transient 5xx error"],"whenToPreferThis":"Prefer this endpoint when you need a simple, cheap, reliable, per-call text lowercasing operation within an autonomous agent pipeline that already supports x402 micropayments on Base. It's ideal for lightweight text normalization steps in agent workflows where spinning up a full NLP library would be overkill and cost predictability per call matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:17.044Z","isFirstParty":false,"canonicalSlug":"one-engine-text-lowercase-converter-0e35e174"}