{"uid":"cap_bJMEf44nzbYAxr3raPWmo","slug":"primeapi-text-readability-analyzer-8a04c338","name":"PrimeAPI Text Readability Analyzer","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://prime-api-seven.vercel.app/api/tools/text/readability","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_fE0zUJOt8uqnVYtrxdu4G","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 the readability of a given text, returning readability scores and metrics to assess how easy the content is to understand.","exampleAgentPrompt":"Can you check the readability of this paragraph and tell me the reading grade level and how easy it is to understand: 'The mitochondria is the powerhouse of the cell, facilitating ATP synthesis through oxidative phosphorylation within the inner mitochondrial membrane.'","exampleUseCases":null,"resultDescription":"Returns readability scores and metrics for the submitted text, likely including standard measures such as Flesch Reading Ease, Flesch-Kincaid grade level, or similar indices indicating how easy the text is to read and at what educational level it targets.","failureModes":["Empty or missing query input returns an error","Extremely short text may produce unreliable scores","Very long text may be truncated or timed out","Non-English text may produce inaccurate or unsupported results","Payment failure in USDC/x402 prevents endpoint access"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call readability score for arbitrary text without setting up API keys or subscriptions. Ideal for agents checking content quality, writing level, or audience accessibility on demand. Prefer this over full NLP pipelines when only readability metrics are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:59:53.704Z","isFirstParty":false}