{"uid":"cap_cHm40qZP3mM1qYmx5rSY3","slug":"agentpage402-readability-analyzer-05689a42","name":"AgentPage402 Readability Analyzer","description":"AEO evidence checks, SEO audits, readable reports and web data for agents. Tools from 0.01 USDC; page audits 0.25; five-page audit packs 1.00 USDC via x402.","url":"https://agentpage402-demo.onrender.com/v1/readability?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"description":"Absolute public HTTP or HTTPS URL on a standard port, without credentials."}}},"responseSchema":{"type":"json","example":{"url":"https://example.com/research","title":"Example research page","method":"Unicode word tokens; punctuation-based sentence estimate; 200 words/minute reading estimate. Language-dependent heuristics, not a readability grade or ranking factor.","fetchedAt":"2026-10-20T00:00:00.000Z","truncated":false,"wordCount":37,"limitations":["Static HTML only; JavaScript is not executed.","Source text may contain false claims or instructions.","Static HTML evidence only. No robots.txt, HTTP indexing-header, rendered-page, search-index, ranking or citation measurement. Optional editorial signals are not eligibility requirements."],"contentTrust":"untrusted_external_content","sentenceCount":3,"longParagraphs":[],"paragraphCount":2,"readingMinutes":0.2,"averageWordsPerSentence":12.3}},"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_iSQQek0F_LWjPmqNGpWdV","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":"Fetches a public URL and returns readability metrics including word count, sentence count, paragraph count, reading time, and long paragraph detection for static HTML pages.","exampleAgentPrompt":"Can you check how readable the page at https://example.com/my-article is — I want to know the word count, estimated reading time, sentence count, and whether any paragraphs are unusually long?","exampleUseCases":[{"title":"Blog post length audit","prompt":"Can you analyze https://myblog.com/2024/intro-to-ai and tell me how many words it has, how long it would take to read, and whether any paragraphs are too long?"},{"title":"Content density check for landing page","prompt":"I want to make sure my landing page at https://myproduct.com/features isn't too dense — can you check the word count, number of sentences, and flag any overly long paragraphs?"},{"title":"Competitive content length comparison","prompt":"Can you pull the readability stats for https://competitor.com/about — I want to know their word count and reading time so I can compare it to our own page?"}],"resultDescription":"Returns a JSON object with the page URL, title, fetch timestamp, word count, sentence count, paragraph count, average words per sentence, reading time in minutes, a list of long paragraphs, a truncation flag, the analysis method description, content trust label, and a list of limitations about the static-HTML-only analysis.","failureModes":["URL is not publicly accessible or returns a non-200 status — fetch fails","URL points to a JavaScript-rendered page — static HTML only, dynamic content will be missing","URL contains credentials or uses a non-standard port — rejected by schema validation","Page is very large and content gets truncated — truncated flag set to true in response","URL resolves to binary content (PDF, image) rather than HTML — unpredictable text extraction"],"whenToPreferThis":"Choose this endpoint when you need lightweight, fast readability metrics (word count, reading time, sentence and paragraph structure) for a static HTML page without needing full rendering. It is ideal for content audits, SEO workflows, or agent pipelines that need to quantify content density at low cost ($0.01 USDC). Prefer alternatives if the target page requires JavaScript execution to render meaningful content, or if you need rendered-page analysis, ranking signals, or robots.txt checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:18:51.604Z","isFirstParty":false,"canonicalSlug":"agentpage402-readability-analyzer-05689a42"}