FOLLOWING IS THE RESPONSE:
stdClass Object ( [result] => The Pay Page is created. [response_code] => 4012 [payment_url] => https://www.paytabs.com/n94CAAg3EIFEjuEqkrkhsg692e2F3EFxP0T7fL1wIiy-ON4/VDair8W9oOncDbLgO3TodtSglgCNfClp_CiAmRy_CMGneJM/XKlgVQyxFvI0B7y38dQ2EbCmHrGur94_gGNG4NBijtgD9bY/LFvYOOoNIp0taQXdGR4wgIZNiRqo1CBFhWoFvWhvhZS40bgOh8MsUYThiCplqyn2bgW-f1qLd7F3DGO1iNcNy5W2mg [p_id] => 242816 )