{"error":{"cause":"INVALID_REQUEST","explanation":"Authorization required"},"result":"ERROR"} 使用主卡虽然我添加了所有参数

如何解决{"error":{"cause":"INVALID_REQUEST","explanation":"Authorization required"},"result":"ERROR"} 使用主卡虽然我添加了所有参数

函数请求（）{ $url = "https://test-nbe.gateway.mastercard.com/api/rest/version/58/merchant/{merchant}/session"; $数据 = "apiOperation=CREATE_CHECKOUT_SESSION" 。 “&apiPassword=密码”。 “&apiUsername=merchant.merchantname”。 “&merchant=EGPTEST1”。 "&interaction.operation=AUTHORIZE" 。 "&order.id=2111" 。 “&interaction.returnUrl=http://localhost/NBA%20Payment”。 "&order.amount=92.00" 。 "&order.currency=USD" ;

print_r($data);

$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$data);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);// this should be set to true in production
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
    $headers = array();
    $headers[] = 'Content-Type:application/x-www-form-urlencoded';
    curl_setopt($ch,CURLOPT_HTTPHEADER,$headers);
    $responseData = curl_exec($ch);

    if(curl_errno($ch)){
        echo 'ERROR' . curl_error($ch);
    }

    curl_close($ch);
    print_r($ch);
   // json_decode($responseData);

//return $responseData;

} $responseData = request();