{"uid":"cap_EdEQWPfT2zO1xSN7pvM-s","slug":"one-engine-unicode-nfkc-t9-text-normalizer-94ce70fd","name":"ONE Engine Unicode NFKC + 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/unicode-nfkc/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_IdnE753ajjNJROmrSwqmI","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":"Normalizes input text using Unicode NFKC normalization followed by T9 encoding transformation, via a pay-per-call x402 API on Base.","exampleAgentPrompt":"Normalize this text using NFKC unicode normalization and then T9-encode it: 'Héllo Wörld — ﬁne day today！'","exampleUseCases":[{"title":"Preprocess multilingual search index tokens","prompt":"I have this product description with mixed unicode ligatures and accented characters — can you NFKC-normalize it and then T9-encode it so I can add it to our T9-based search index? The text is: 'Reﬂective FIber Optic Câble — high‑performance'"},{"title":"Standardize user input before T9 lookup","prompt":"A user typed 'ﬃcient résumé builder' into our T9 keypad search — can you normalize and T9-encode that string so I can match it against our database?"},{"title":"Clean and encode legacy document text","prompt":"I've got some old document text with unicode compatibility characters like '㎞', '℃', and '﹩' — please run it through NFKC normalization and T9 encoding so I can store a consistent form: '㎞ range, ℃ temperature, ﹩ cost'"}],"resultDescription":"Returns a JSON object containing the T9-encoded representation of the NFKC-normalized input text. The NFKC step decomposes compatibility characters and recomposes canonical equivalents; the T9 step maps the resulting characters to numeric keypad sequences. The exact response shape may vary (additionalProperties: true).","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Payment not provided or insufficient USDC — 402 Payment Required response","Malformed JSON body or missing 'text' field — 400 Bad Request","Network or Cloudflare Worker timeout for very large inputs","T9 encoding may not support all Unicode code points after NFKC normalization — unexpected characters may be dropped or errored"],"whenToPreferThis":"Choose this endpoint when you need both NFKC unicode normalization and T9 encoding applied in a single call, without standing up your own text-processing infrastructure. Ideal for AI agents that need lightweight, pay-per-call text preprocessing for T9-based search indices, keypad input matching, or legacy system compatibility. Prefer it over general-purpose NLP APIs when the specific combination of NFKC + T9 is required and cost per call matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:32.458Z","isFirstParty":false,"canonicalSlug":"one-engine-unicode-nfkc-t9-text-normalizer-94ce70fd"}