{"uid":"cap_bZvDrC6GmdiIi8GGb5YNT","slug":"one-engine-t9-lowercase-normalizer-24c31f92","name":"ONE Engine T9 Lowercase Normalizer","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/t9?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":"0.018","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":"$0.018/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.018","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.018","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bBkfoBqY1AbHZ3rKFtwZD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.018","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text to lowercase using T9-style normalization via a pay-per-call x402 API on Base.","exampleAgentPrompt":"Can you lowercase and normalize this text for me: 'Hello World, THIS Is A TEST String With Mixed CASE Letters!'","exampleUseCases":[{"title":"Normalizing user-submitted form input","prompt":"Take this user-submitted address field and convert it all to lowercase so I can store it consistently: 'Suite 4B, 123 Main STREET, New York, NY 10001'"},{"title":"Preprocessing text before keyword matching","prompt":"I need to normalize this product description to all lowercase before running keyword search on it: 'Premium ORGANIC Coffee Beans — DARK Roast, Single Origin ETHIOPIA'"},{"title":"Standardizing log entries for comparison","prompt":"Convert this server log snippet to lowercase so I can compare it against my pattern library: 'ERROR: Disk USAGE Exceeded THRESHOLD on Node-07 at 14:32:01 UTC'"}],"resultDescription":"Returns a JSON object containing the lowercased (and T9-normalized) version of the input text string, up to 50,000 characters.","failureModes":["Text exceeds 50,000 character limit — request rejected","Missing required 'text' field in request body — validation error","Payment failure via x402 on Base — 402 response if USDC payment not provided","Empty string input — may return empty or minimal response"],"whenToPreferThis":"Choose this endpoint when you need a cheap, pay-per-call lowercase/text normalization operation without standing up your own infrastructure, especially in agent workflows already using x402 on Base for micropayments. Suitable for preprocessing steps in data pipelines or NLP workflows where consistent casing is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:51.242Z","isFirstParty":false,"canonicalSlug":"one-engine-t9-lowercase-normalizer-24c31f92"}