Para más detalles y ejemplos sobre como integrar app checkout referirse a la siguiente documentación QPayPro API 🚀 - Página de pago alojado

El ejemplo esta para realizar la prueba de integración en ambiente SANDBOX, si deseamos integrar a transacciones en vivo debemos de utilizar las url de producción.

//Creación de productos:

                  $products[] = Array('Producto 1', '100', '', '1', '10.00', '10.00');

                  $products[] = Array('Producto 2', '102', '', '2', '5.00', '10.00');

// Configuración de campos personalizados

                  $base_api = "https://sandboxpayments.qpaypro.com/checkout/register_transaction_store";

                  $http_origin = "https://sandbox.qpaypro.com/";

//Estructura de parámetros al servicio                          

                  $requestSend =

                  [

                                    "x_login" =>  'visanetgt_qpay',

                                    "x_api_key" => '88888888888',

                                    "x_amount" => '24.00',

                                    "x_currency_code" => 'GTQ',

                                    "x_first_name" => 'Usuario',

                                    "x_last_name" => 'Prueba',

                                    "x_phone" => '24963214',

                                    "x_ship_to_address" => 'Ship address',

                                    "x_ship_to_city" => 'Ship City',

                                    "x_ship_to_country" => 'Guatemala',

                                    "x_ship_to_state" => '0',

                                    "x_ship_to_zip" => '1010',

                                    "x_ship_to_phone" =>'11223344',

                                    "x_description" => "Order number: 123",

                                    "x_url_success" => '',

                                    "x_url_error" => '',

                                    "x_url_cancel" =>'URL_de_procedencia',

                                    "http_origin" =>"tuempresa.com",

                                    "x_company" =>  '',

                                    "x_address" => 'Address',

                                    "x_city" => 'City',

                                    "x_country" => 'Guatemala',

                                    "x_state" => '0',

                                    "x_zip" => '1201',

                                    "products" => json_encode($products),

                                    "x_freight" => '3.00',

                                    "taxes" => '1.00',

                                    "x_email" => 'usuarioprueba@gmail.com',

                                    "x_type" => "AUTH_ONLY",

                                    "x_method" => "CC",

                                    "x_invoice_num" => '123',

                                    "x_visacuotas" => 'si',

                                    "x_relay_url" => 'RUTA_A_DONDE_DEBE_VOLVER_AL_FINALIZAR_PAGO',

                                    "origen"=>"PLUGIN",

                                    "store_type" => "LOCAL"

                  ];

//Llamada al servicio                             

                  $headerArray = array(

                                    'Content-Type: application/json;charset=UTF-8'

                  );

                  $ch = curl_init();

                  curl_setopt($ch, CURLOPT_URL, $base_api);

                  curl_setopt($ch, CURLOPT_POST, 1);

                  curl_setopt($ch, CURLOPT_POSTFIELDS, $requestSend);

                  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

                  curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

                  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);

                  $resp = curl_exec($ch);

                  $info = curl_getinfo($ch);

//Resultado 'TOKEN GENERADO'

                  var_dump($resp);

                  die;

//Ingresar o redireccionar al siguiente URL

https://sandbox.qpaypro.com/payment/store?token=TOKEN_GENERADO