{"uid":"cap_9z_H9SaImZcNjA9_pGpq1","slug":"apexapi-text-readability-analyzer-ed81f874","name":"ApexAPI Text Readability Analyzer","description":"Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/tools/text/readability?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.197271","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":"$0.197271/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.197271","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.197271","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ajB318RXq2QcFJZQFAFxr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.197271","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 and returns readability scores and metrics to assess how easy it is to read","exampleAgentPrompt":"Can you check the readability of this paragraph and tell me what grade level it's written at: 'The exacerbation of socioeconomic disparities precipitates compounded systemic vulnerabilities across marginalized demographic cohorts.'","exampleUseCases":null,"resultDescription":"Returns readability metrics for the submitted text, likely including scores such as Flesch Reading Ease, Flesch-Kincaid Grade Level, and other complexity indicators showing how difficult the text is to read.","failureModes":["Empty or missing query string returns an error","Text too short for meaningful readability analysis","Unsupported language or character encoding causing parsing failure","Rate limiting or payment failure preventing call execution"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call readability assessment without setting up API keys. Ideal for content editors, AI writing assistants, or automated pipelines that need to flag overly complex text before publishing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:45:16.732Z","isFirstParty":false,"canonicalSlug":"apexapi-text-readability-analyzer-ed81f874"}