cakephpapicallguide

1. Use create Behavior to call remote api by using HttpSocket

function getCategoriesFromAPI(){

	// for example
	$results = $HttpSocket->get('http://www.google.com/search', 'q=cakephp');
	return $result;
}

Reference for HttpSocket

2. Use that Behavior in model

var $actsAs = array('MyRemoteAPI');

Reference for Behaviors

3. Stop using existing model functions/methods, use the ones in Behavior instead

$data = $this->Category->getCategoriesFromAPI();