{"uid":"cap_L3l7vQj9vaIFaaVPwXMey","slug":"readability-score-analyzer-aecfdfcb","name":"Readability Score Analyzer","description":"Readability of a page's text: Flesch Reading Ease, Flesch-Kincaid grade level, average sentence length, syllables, word and sentence counts, difficulty label and reading time. Content quality and audience-fit checks. $0.01 per page.","url":"https://intel.rallylive.ca/site/readability","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_VlgfqkDeB5XlZmFXMhTqn","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":"Analyzes a webpage's text for readability metrics including Flesch Reading Ease, Flesch-Kincaid grade level, sentence/word/syllable counts, difficulty label, and estimated reading time.","exampleAgentPrompt":"Can you check the readability of https://example.com/blog/how-to-invest and tell me the Flesch Reading Ease score, grade level, and whether it's suitable for a general adult audience?","exampleUseCases":[{"title":"Blog post audience-fit check","prompt":"Check the readability of https://myblog.com/beginners-guide-to-investing — I want to know the Flesch Reading Ease score, grade level, and whether it's written at an appropriate level for general readers with no finance background."},{"title":"Content QA before publishing","prompt":"Before I publish this article at https://mysite.com/draft/new-product-announcement, can you analyze its readability? I need the difficulty label, average sentence length, and estimated reading time so I can decide if it needs editing."},{"title":"Competitor content benchmarking","prompt":"Analyze the readability of https://competitor.com/resources/whitepaper and tell me the Flesch-Kincaid grade level, word count, and syllable count — I want to see how complex their content is compared to ours."}],"resultDescription":"Returns Flesch Reading Ease score, Flesch-Kincaid grade level, average sentence length, syllable count, total word count, total sentence count, a human-readable difficulty label (e.g. 'Easy', 'Difficult'), and an estimated reading time for the analyzed page.","failureModes":["URL is unreachable or returns non-200 status — endpoint may return an error or empty result","Page has no extractable text content (e.g. pure image or JavaScript-rendered SPA without SSR)","URL points to a binary file (PDF, image) rather than an HTML page","Rate limiting or payment failure if USDC payment is not correctly handled via x402 protocol"],"whenToPreferThis":"Choose this endpoint when you need structured, quantitative readability metrics (Flesch scores, grade levels, syllable counts) for a live webpage URL rather than raw text you already have. Ideal for content audits, editorial QA pipelines, SEO tooling, or audience-fit checks at scale. Prefer this over manual text-paste tools when automating analysis across multiple URLs at $0.01 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:11:21.486Z","isFirstParty":false}