$app->post('/users/create/:data', function ($data) use($app)
 {
   $app->response->status(201);
   echo "The user ".$data['name']." was added successfully";
 }
);

$data = array(
  'id' => 3,
  'name' => 'Gree3a'
);
$url = "http://localhost/api/users/create/";
$ic =  curl_init();

//set options
curl_setopt($ic, CURLOPT_URL, $url);
curl_setopt($ic, CURLOPT_POST, true);
curl_setopt($ic, CURLOPT_POSTFIELDS, $data);
curl_setopt($ic, CURLOPT_RETURNTRANSFER, true);

//perform our request
$result = curl_exec($ic);
curl_close($ic);

echo $result;