The Katoni API Client Library can be installed with Composer. Run this command:
composer require katoni/api-php-client:^1.0
Note: This library requires PHP 5.4 or greater.
Simple GET example of fetching products.
// include your composer dependencies
require_once 'vendor/autoload.php';
$client = new Katoni\Client();
$client->setDeveloperKey("YOUR_APP_KEY");
$results = $client->get('/products');
foreach ($results as $item) {
echo $item['name'], "<br /> \n";
}