{"uid":"cap_JPQgSp-2YmzTfWd7BbVMt","slug":"one-engine-text-normalize-lowercase-239e18cc","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/t8?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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XP9Zbm6MRHJJt_ZahTnoq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","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 via a pay-per-call API using x402 on Base.","exampleAgentPrompt":"Take this block of text and convert it to all lowercase: 'Hello World, This Is A TEST String With Mixed Casing!'","exampleUseCases":[{"title":"Normalize search query input","prompt":"Before I run a search, lowercase this user-submitted query so it matches our index: 'Find Me The Best Coffee Shops In New York City'"},{"title":"Standardize product names for deduplication","prompt":"I have a list of product names with inconsistent casing like 'Apple iPhone', 'APPLE IPHONE', and 'apple iphone' — can you lowercase all of them so I can deduplicate?"},{"title":"Preprocess text for NLP pipeline","prompt":"Lowercase this article excerpt before I feed it into my sentiment analysis model: 'The Quick Brown Fox JUMPS Over The Lazy Dog. EXPERTS Say This Is Remarkable.'"}],"resultDescription":"Returns a JSON object containing the input text converted entirely to lowercase characters, preserving all other content such as punctuation, spacing, and special characters.","failureModes":["Text exceeding 50,000 characters may be rejected or truncated","Empty text input may return an error or empty string","Payment failure via x402 returns HTTP 402 before processing","Malformed JSON body returns a 400-level error","Network timeouts possible for very large text near the character limit"],"whenToPreferThis":"Choose this endpoint when you need a cheap, stateless, pay-per-call text lowercasing operation within an autonomous agent workflow on Base using x402 micropayments. Ideal for preprocessing steps in NLP pipelines, search normalization, or deduplication tasks where no local text processing library is available or desired. Best suited for agents that want to offload simple string transformations without managing dependencies.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:13.407Z","isFirstParty":false,"canonicalSlug":"one-engine-text-normalize-lowercase-ac165b08"}