First, foreign trade websites are open source system interfaces that payment companies can connect, such as PHP, computer language, zencart, Japanese eccube interface | At present, wintopay has this interface!
second, foreign trade collection interface: common open source interfaces: zencart interface |opencart interface | Magento | Interspire | ECShop | Oscommerce | Prestashop and other interfaces!
thirdly, the eCube plug-in can be connected. At present, only Shanghai Win Payment Company has developed the eCube interface in China, and I belong to this company. If you have any questions, please ask me! I hope I can give you some advice.