curl -X POST \
  <BASE_URL>/calculator \
  -H 'Content-Type: application/json' \
  -H 'X-API-Key: YOUR_API_KEY' \
  -d '{
    "article": "The Importance of SEO",
    "guidelines": "Follow best practices for content optimization"
}'

$url = '<BASE_URL>/calculator';
$data = array(
    'article' => 'The Importance of SEO',
    'guidelines' => 'Follow best practices for content optimization'
);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'X-API-Key: YOUR_API_KEY'
));

$response = curl_exec($ch);
curl_close($ch);
echo $response;

import requests
import json

url = '<BASE_URL>/calculator'
headers = {
    'Content-Type': 'application/json',
    'X-API-Key': 'YOUR_API_KEY'
}
data = {
    'article': 'The Importance of SEO',
    'guidelines': 'Follow best practices for content optimization'
}

response = requests.post(url, headers=headers, json=data)
print(response.json())

const url = '<BASE_URL>/calculator';
const headers = {
    'Content-Type': 'application/json',
    'X-API-Key': 'YOUR_API_KEY'
};
const data = {
    article: 'The Importance of SEO',
    guidelines: 'Follow best practices for content optimization'
};

fetch(url, {
    method: 'POST',
    headers: headers,
    body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));

{
	"html": "<div class='contentify-calculator>...</div>"
}