Your transaction method might not be supporting the payment gateway. Please retry making the payment using a different gateway mentioned in our website.
The payment options can be seen from the below link: http://www.limeproxies.com/payment.php
Please make sure that you are not using any VPN connection or Proxy servers to process the payment as the payment gateways have high-security standards.
If this fails please submit a request to the support team for further assistance.