Add Account Payment Method APIThe Add Account Payment Method API has been enhanced to create and link a new payment method to a user’s account. Initially, the API only associated an existing payment method with the user, but now if there is no payment method associated with a billing account, a new one will be created and associated with the user. This enhancement enables storefront applications to initiate the creation of payment methods.For more information, see the Storefront Gateway API.Update Payment Method, Billing Plan and Campaign Associated With a SubscriptionA new version of the Update Subscription API has been released that enables users to update their payment methods, change their billing plans, and take advantage of new campaigns. This API allows the storefront application to update multiple subscription items in one call.For more information, see the Storefront Gateway API.Update Address, Email, Language and Currency Associated With a Billing AccountA new Digital Identity Management API has been released that enables storefront applications to add or update the address, language, email, and currency associated with a billing account. This enhancement allows users to add and update their billing account information.For more information, see the Storefront Gateway API.