Readability score API – URL Input
API endpoint → https://api.seoreviewtools.com/readability-score/
Example API call → https://api.seoreviewtools.com/readability-score/?url=https://www.seoreviewtools.com/valuable-backlinks-checker/&key=YOUR-API-KEY
Price: 1 credits per request
Description: Quickly calculate the Flesch-Kincaid readability score for any URL
Query string parameters
| Name | Parameter | Description |
|---|---|---|
| URL | &url= |
The public URL you want to analyse example: https://example.com/url/ |
| API key | &key= | Your private API key |
Response elements
| Name | Description |
|---|---|
| Flesch Kincaid Reading Ease > Score | The readability score calculated with the Flesch Kincaid Reading Ease formula |
| Flesch Kincaid Reading Ease > grade level | The corresponding grade level |
| Flesch Kincaid Reading Ease > label | True or False (string) |
| Flesch Kincaid Reading Ease > class | This class can be used to quickly style the output |
| Paragraphs | The total number of extracted paragraphs |
| Sentences | The total number of extracted sentences |
| Words | The total number of extracted words |
| Characters | The total number of extracted characters |
| Reading time | The estimated reading time |
| Speaking time | The estimated speaking time |
| avg. word length | Calculated in characters |
| avg. sentence length | Calculated in words |
| avg. paragraph length | Calculated in sentences |
PHP code example
<?php
/*
API documentation for SEO Review Tools.
API info: https://www.seoreviewtools.com/seo-api/
API documentation: https://api.seoreviewtools.com/documentation/
LinkedIn: https://www.linkedin.com/company/seo-review-tools
*/
// input URL
$inputUrl = 'https://www.seoreviewtools.com/valuable-backlinks-checker/';
// API key
$apiKey = 'YOUR-API-KEY';
// specific API url
$apiRequestUrl = 'https://api.seoreviewtools.com/readability-score/?url='.$inputUrl.'&key='.$apiKey;
// get data from API
$jsonReposnse = file_get_contents($apiRequestUrl);
// convert JSON to PHP array
$dataArray = json_decode($jsonReposnse, true);
// check if API call is success or failed
// (just some basic validation)
// API call fail
if ($dataArray['status'] !== 'ok'){
// return error message
echo 'Error message: '.$dataArray['error message'];
// API call success
} else {
// print data
print_r($dataArray);
}
?>
Python code example
# API documentation for SEO Review Tools.
# API info: https://www.seoreviewtools.com/seo-api/
# API documentation: https://api.seoreviewtools.com/documentation/
# LinkedIn: https://www.linkedin.com/company/seo-review-tools
import requests
# API key
apiKey = 'YOUR-API-KEY'
# input URL
inputUrl = 'https://www.seoreviewtools.com/valuable-backlinks-checker/'
# API URL
toolRequestUrl = 'https://api.seoreviewtools.com/readability-score/?url='+inputUrl+'&key='+apiKey
r = requests.request("GET", toolRequestUrl,)
print(r.text)JSON response example
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