Documentación de la API

// Usando fetch con FormData
const formData = new FormData();
formData.append('image_front', fileInput.files[0]);

const response = await fetch('https://extraerdatosdeine.com/api/v1/extract', {
  method: 'POST',
  headers: {
    'X-API-Key': 'ine_tu_api_key'
  },
  body: formData
});

const result = await response.json();
console.log(result.data);

import requests

url = 'https://extraerdatosdeine.com/api/v1/extract'
headers = {'X-API-Key': 'ine_tu_api_key'}

# Usando archivos (multipart)
files = {
    'image_front': open('ine_frente.jpg', 'rb'),
    'image_back': open('ine_reverso.jpg', 'rb')
}

response = requests.post(url, headers=headers, files=files)
result = response.json()
print(result['data'])

<?php
$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://extraerdatosdeine.com/api/v1/extract',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ine_tu_api_key'],
    CURLOPT_POSTFIELDS => [
        'image_front' => new CURLFile('ine_frente.jpg'),
        'image_back' => new CURLFile('ine_reverso.jpg')
    ]
]);

$response = curl_exec($curl);
$result = json_decode($response, true);
print_r($result['data']);