{"uid":"cap_1IH6P7b1fVy6ys2QVzKcq","slug":"one-engine-unicode-nfkc-normalization-ca6ecd80","name":"ONE Engine Unicode NFKC Normalization","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/t6?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NEES8YqMSmYZAgANYEkW5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Normalizes Unicode text using NFKC (Compatibility Decomposition followed by Canonical Composition) normalization form","exampleAgentPrompt":"Normalize this text to NFKC unicode form so all compatibility characters are standardized: 'file ＡＢＣ café résumé ½ ℌ'","exampleUseCases":[{"title":"Preprocessing text for NLP pipeline","prompt":"Before I run this user-submitted review through my sentiment model, normalize it to NFKC unicode so ligatures like fi and fullwidth characters like ＡＢＣ are collapsed into standard ASCII equivalents. Here's the text: 'The ＣＯＦＦＥＥshop had a fine décor and the résumé of the chef was impressive ½ the time.'"},{"title":"Cleaning scraped web content","prompt":"I scraped this text from a website and it has all sorts of weird unicode characters mixed in — fullwidth letters, ligatures, special fractions. Can you NFKC normalize it so it's consistent before I store it: 'Ａｐｐｌｅ ＩＮＣ ℌas filed a ¾ page résumé with café listings ℕ.'"},{"title":"Standardizing multilingual user input","prompt":"A user submitted a form field with this text and I want to normalize it to NFKC unicode before comparing it against my database records — please process: 'Ｔｏｋｙｏ ｃａｆé first ½ ℌour'"}],"resultDescription":"Returns a JSON object containing the NFKC-normalized version of the input text, where compatibility characters (fullwidth letters, ligatures like fi/fl, special fractions, mathematical letters, etc.) are decomposed and then recomposed into their canonical Unicode equivalents.","failureModes":["Text exceeding 50000 characters may be rejected or truncated","Invalid JSON body returns an error","Non-string 'text' field causes validation failure","Payment failure via x402 protocol blocks the call","Network timeout on the Cloudflare Worker edge node"],"whenToPreferThis":"Choose this endpoint when you need deterministic, standards-compliant NFKC Unicode normalization at low cost ($0.004/call) without running a local library. Ideal for agents preprocessing text before NLP, semantic comparison, or database storage where unicode form consistency matters. Prefer over local normalization when operating in a sandboxed environment without Unicode libraries, or when you want a pay-per-use model with no setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:16.857Z","isFirstParty":false,"canonicalSlug":"one-engine-unicode-nfkc-normalization-95201d29"}