Text Readability Score POST
https://api.apiverve.com/v1/readabilityscore
Readability Score is a simple tool for calculating the readability score of text. It returns the readability score based on various readability formulas.
Try it — live request, no key required
POSTapi.apiverve.com/v1/readabilityscore
VerificationFormat
No key required to try it. Get a key to use it in your app.
{
"status": "ok",
"error": null,
"data": {
// Text Readability Score response payload
}
}Code examples — ready to paste, with real parameters
curl -X POST "https://api.apiverve.com/v1/readabilityscore" \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"text":"Western astrology is founded on the movements and relative positions of celestial bodies such as the Sun, Moon and planets, which are analysed by their movement through signs of the zodiac (twelve spatial divisions of the ecliptic) and by their aspects (based on geometric angles) relative to one another."}'Replace
YOUR_API_KEY with your key.Full reference in the docs →
Access methods
Call it however you build.
One endpoint, many ways in — REST with JSON, XML, YAML, and CSV, plus GraphQL and an MCP interface for AI agents.
JSON
Default REST response
XML
Markup format
YAML
Human-readable
CSV
Tabular export
Beta
GraphQL
Query language
New
MCP
For AI agents
Zero-code embed
Drop it into any site.
Add an interactive form for Text Readability Score with a single snippet — no backend, no keys in your markup.
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What does the Text Readability Score API do?
Readability Score is a simple tool for calculating the readability score of text. It returns the readability score based on various readability formulas.
How do I authenticate Text Readability Score API requests?
Pass your API key in the x-api-key header over HTTPS. One key works across all 300+ APIVerve APIs — there are no per-endpoint credentials.
How much does the Text Readability Score API cost?
Each call spends 1 credit from your shared pool. The free tier includes 100 credits every month, and paid plans add more headroom.
How fast is the Text Readability Score API?
Typical responses return in around 569 ms (p50), served from 24 regions under a 99.9% uptime SLA.
What response formats does the Text Readability Score API support?
JSON by default, plus XML and YAML via the format parameter. GraphQL and an MCP interface for AI agents are available across the catalog.
What HTTP method does the Text Readability Score API use?
POST over HTTPS, following standard REST conventions with a consistent { status, error, data } response envelope.