{"uid":"cap_q4JqbnkEHjxPlocYjsACH","slug":"one-engine-text-normalize-lowercase-top-10-31f3721f","name":"ONE Engine Text Normalize Lowercase (Top 10)","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/t10?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":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IhbKIBnvcpPaCmkE4vkGN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts the first 10 tokens/words of a text string to lowercase using a pay-per-call API on Base via x402.","exampleAgentPrompt":"Can you normalize this text to lowercase: 'The Quick Brown Fox Jumps Over The Lazy Dog and more words follow here'?","exampleUseCases":[{"title":"Normalize user-submitted form input","prompt":"Take this user-submitted name field and convert it to lowercase so I can do a case-insensitive comparison: 'JOHN SMITH Jr.'"},{"title":"Standardize product tag casing","prompt":"I need to lowercase this product tag before storing it in the database: 'Organic Free-Range CHICKEN Breast'"},{"title":"Sanitize search query capitalization","prompt":"Can you normalize this search query to lowercase for consistent indexing: 'MacBook Pro M3 MAX Chip'"}],"resultDescription":"Returns a JSON object containing the lowercased version of the provided text (applied to the first ~10 tokens/segment as indicated by the t10 path parameter), suitable for downstream text comparison, indexing, or normalization pipelines.","failureModes":["Text input missing or empty — returns validation error","Text exceeds 50000 character limit — returns error","Payment not included or insufficient USDC — returns 402 Payment Required","Network timeout on Cloudflare Worker — returns 5xx error","Malformed JSON body — returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, cost-effective, pay-per-call text lowercasing operation within an autonomous agent workflow on Base/x402, and don't want to spin up your own string processing infrastructure. Ideal for agents that only occasionally need case normalization and want to pay micro-amounts per call rather than maintain a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:54.347Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-lowercase-top-10-31f3721f"}