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ApexAPI Text Readability Analyzer
x402
ApexAPI Text Readability Analyzer is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.197271/call, status unknown (last checked 2026-10-11).
Analyzes a block of text and returns readability scores and metrics to assess how easy it is to read
Price / call$0.197271
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
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.
Example use cases
Example prompt
“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.'”
Technical details
Endpoint
POSThttps://apex-api-gamma.vercel.app/api/tools/text/readability?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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