GP webpay Portal The GP webpay Portal enables the merchant’s user (see the “GP webpay Portal” manual) to: search and manage payments create, send, search and manage PUSH payments create and manage users display statistics and functionalities authorized for the e-shop and payments create and manage keys download technical documentation and other sources for integration with the GP webpay payment gateway interface Some other functionalities of the GP webpay Portal can be used also via API WS (see technical specification for developers) and this way they can be integrated into the merchant’s e-shop.