{"uid":"cap_w4XZYiJnF_EdWRBDGba8C","slug":"one-engine-ascii-fold-t9-text-normalizer-2153d727","name":"ONE Engine ASCII Fold + T9 Text 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/ascii-fold/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_tbrbiF4LnWJIKNyFmn7Vc","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 ASCII-folded and T9-normalized form, stripping accents and mapping characters to T9 keypad equivalents for downstream matching or indexing.","exampleAgentPrompt":"Normalize this product description to ASCII-folded T9 format so I can index it for keypad search: 'Café Müller's crème brûlée — a résumé of flavors.'","exampleUseCases":[{"title":"Keypad search index preparation","prompt":"I have a list of restaurant names with accents and special characters — can you ASCII-fold and T9-normalize them all so I can build a T9-style search index? Start with: 'Björn's Köttbullar & Café Año'."},{"title":"Diacritic stripping for cross-system matching","prompt":"I need to match user-submitted names against a plain-ASCII database. Can you fold this name to ASCII and give me the T9 version too? The name is 'Héloïse Édouard'."},{"title":"Telecom or legacy system input preparation","prompt":"Our legacy telecom system only understands T9 digit sequences. Can you convert this message to T9 format after ASCII-folding it? The text is: 'Ångström über résumé'."}],"resultDescription":"Returns an object containing the ASCII-folded and T9-normalized representation of the submitted text, suitable for use in search indexing, keypad-based lookups, or legacy ASCII-only systems.","failureModes":["Text exceeds 50,000 character limit — request rejected","Empty or missing 'text' field — validation error","Payment failure via x402 protocol — 402 response before processing","Malformed JSON body — 400 bad request","Network timeout on Cloudflare Workers edge — transient 5xx error"],"whenToPreferThis":"Choose this endpoint when you need both ASCII folding (diacritic removal) AND T9 digit mapping in a single pass — particularly for building keypad-search indexes, preparing data for legacy telecom or SMS systems, or normalizing multilingual text for ASCII-only matching pipelines. Prefer this over a plain ASCII-fold-only endpoint when T9 representation is required downstream.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:57.918Z","isFirstParty":false,"canonicalSlug":"one-engine-ascii-fold-t9-text-normalizer-2153d727"}