Text readability API: word count, reading time and Flesch score
Count characters, words, sentences and paragraphs, estimate reading and speaking time, and compute the Flesch reading-ease score and grade level for English text. Use to check the length and readability of a draft.
When to use it
- Check the length and readability of a draft
- Count characters, words, sentences and paragraphs
- Estimate reading and speaking time
Inputs
| Name | Type | Description |
|---|---|---|
text (required) | string | The text |
Request
Over HTTP, with a card key from /credits:
curl -H "Authorization: Bearer adt_…" "https://tools.funwords.eu/text/stats?text=The%20quick%20brown%20fox%20jumps%20over%20the%20lazy%20dog.%20It%20was%20not%20amused."Or one of your 25 free calls, no key:
curl "https://tools.funwords.eu/text/stats?text=The%20quick%20brown%20fox%20jumps%20over%20the%20lazy%20dog.%20It%20was%20not%20amused.&trial=1"Without a key, the same URL answers 402 Payment Required with x402 and MPP terms, so an agent with a wallet pays per call in USDC (Base, Polygon, Arbitrum or Solana over x402; Base or Tempo over MPP) and retries.
Example result
{
"characters": 63,
"words": 13,
"sentences": 2,
"paragraphs": 1,
"readingSeconds": 3,
"speakingSeconds": 6,
"fleschReadingEase": 94.3,
"fleschKincaidGrade": 2.3
}From an AI agent (MCP)
Add the MCP server to Claude, Cursor or any MCP client. This tool is text_stats, and the first 25 successful calls are free:
https://tools.funwords.eu/mcpQuestions
Which readability scores?
Flesch reading ease and Flesch-Kincaid grade level, for English text.
How do I pay?
Each successful call costs $0.01; failed calls are not charged. The first 25 calls are free. Then pay with card credits (from $1; the key goes in an Authorization header or, for clients that can only fetch a URL, as api_key= in the URL) or per call in USDC over x402 or MPP. No account is needed.