FedEx in the United States can pay online. FedEx has an electronic billing system that supports online payment and a new QR Pay mobile payment, which can provide a safe and convenient payment experience. Through the exclusive QR code, the payment process is simplified, and there is no need for shopping carts, orders and checkout mechanisms. QR Pay mobile payment provides a variety of payment methods, and customers can pay by credit card or e-wallet, such as Alipay and WeChat payment. Customers can automatically link to the payment page by scanning the QR code on the invoice or provided by FedEx operators with their smartphones.