JUMP TOGateway APIOverviewSecurityPaymentpost3D Secure and other 2-step payment methodsAPI: Running test transactionsCapturepostRefundpostUpdate subscription schedulepostCancel subscriptionpostError codesSubscription APICancelgetReactivategetRefundgetSubscription statusgetExtend SubscriptiongetChange username and passwordgetOne-click InitialpostReporting APIReconciliationgetUpdate subscription schedulepost https://secure.vend-o.com/api/gateway/change-subscriptionThe Update Subscription API can be used to change the rebill amount and durationChange subscription Use this API to update an active subscription, you can change it's next rebill date, amount and duration.