{"uid":"cap_2qbMSfI9k_CzfjBaoZVQT","slug":"web-intel-api-text-analysis-fbd125ed","name":"Web Intel API – Text Analysis","description":"Pay-per-call web extraction, on-page SEO audits and text analytics for AI agents. Paid in USDC on Base via x402 — no accounts or API keys.","url":"https://web-intel-x402.x402-web-intel-api.workers.dev/v1/text-analysis?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":200000},"topN":{"type":"integer"}}},"responseSchema":{"type":"json","example":{"keywords":[{"term":"api","count":3}],"language":"es","readability":{"score":64.2}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__WFJU1YuDLLsCbmY2SaEa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a block of text to extract top keywords with frequencies, detect language, and compute a readability score.","exampleAgentPrompt":"Analyze this article text and give me the top 10 keywords with their counts, the language it's written in, and a readability score: [paste article text here].","exampleUseCases":[{"title":"SEO keyword audit for blog post","prompt":"I just wrote this 1200-word blog post — can you pull out the top 15 keywords with how often they each appear, plus tell me how readable it is so I can optimize it before publishing?"},{"title":"Language detection for user-submitted content","prompt":"A user submitted this review on our platform and I'm not sure what language it's in — can you run text analysis on it and tell me the detected language and its readability score?"},{"title":"Content quality check before publishing","prompt":"Before I publish this press release, can you analyze the text and give me the top 10 most frequent terms and a readability score so I know if it's accessible to a general audience?"}],"resultDescription":"Returns a JSON object containing: an array of top keywords each with their term string and occurrence count, a detected language code (e.g. 'es', 'en'), and a readability object with a numeric score (e.g. Flesch-Kincaid style 0-100).","failureModes":["Text exceeds 200,000 character limit — request rejected","topN integer not provided defaults to a system-defined count — may return more or fewer terms than expected","Payment not fulfilled via x402 — 402 Payment Required returned before processing","Empty or whitespace-only text body — may return empty keywords array","Ambiguous or mixed-language text — language detection may be inaccurate"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call text analytics — keyword extraction, language detection, and readability scoring — without setting up accounts or API keys. Ideal for AI agents that process arbitrary user-supplied text on demand and need structured NLP signals cheaply (fractions of a cent per call). Prefer this over heavier NLP APIs when you only need keyword frequency, language ID, and readability rather than deep semantic embeddings or entity recognition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:34:11.347Z","isFirstParty":false,"canonicalSlug":"web-intel-api-text-analysis-fbd125ed"}