This PHP sample code works with payments in the Viva platform. It allows you to create a custom payment form and works with The Viva Payments' RESTful API. The API provides a way to integrate Viva Payments into your ecommerce website or a mobile app. This includes the following available services; CancelOrder, BalanceTransfer, GetOrder and more. Viva Wallet offers a set of payment services to individuals, businesses and professionals that operates as an electronic money issuer and payment service provider.