Exchange Rate endpoint

// create the data array
$data = array(
"method"=>'get_rate',
"from"=>'cad',
"to" =>'usd'
);

// encode the data into JSON
$dataJson = json_encode($data);
// create the CURL post
$ch = curl_init('https://northstarcurrency.com/api/');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $dataJson);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
"Content-Type: application/json",
"apiKey: 12345test"
));

$output = curl_exec($ch);
curl_close($ch);
print_r($output);