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Arch Tools Readability Score
x402
Arch Tools Readability Score is a paid API for AI agents from archtools.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Analyzes a block of text and returns a readability score indicating how easy or difficult it is to read
Price / call$0.01
Success—
StatusUnknown
How this service works
Arch Tools — readability-score
Output
Returns a JSON object containing a readability score and likely associated metrics such as grade level, reading ease score, and complexity indicators for the submitted text, helping determine how accessible the content is to a target audience.
Example use cases
Blog post clarity check
“I just finished drafting this blog post intro — can you score how readable it is? 'Starting a business is hard. Most people don't know where to begin. This guide breaks it down into five simple steps.' I want to know if it's easy enough for everyday readers.”
Legal document accessibility review
“Can you run a readability score on this legal clause: 'The indemnifying party shall hold harmless and indemnify the indemnified party against any and all claims, damages, losses, costs, and expenses arising out of or resulting from the indemnifying party's breach.' I need to know how difficult it is for a layperson to understand.”
Student essay grade-level assessment
“Score the readability of this student essay paragraph: 'Climate change poses significant risks to global ecosystems. Rising temperatures affect biodiversity and disrupt seasonal patterns. Immediate policy action is needed to mitigate long-term damage.' Is it appropriate for a high school reading level?”
Technical details
Endpoint
POSThttps://archtools.dev/v1/tools/readability-scoreWhen to prefer
Choose this endpoint when you need a quick, programmatic readability score for a piece of text as part of an agent workflow — especially when integrated with the broader Arch Tools suite for content analysis pipelines. It is ideal for content quality gates, editorial checks, accessibility assessments, or automated grading systems where you need a numeric readability signal without setting up a full NLP stack.
Side effects
- Empty or missing 'text' field returns a validation error
- Extremely short text (single word or character) may produce unreliable or degenerate scores
- Very large text payloads may be rejected or truncated
- Payment failure (insufficient USDC balance) results in 402 response
- Non-UTF-8 or malformed string input may cause parsing errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Text to analyze for readability |
Tags
x402
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