JUMP TOIntegrationRequirementsGetting StartedWhat You'll NeedInitialise WidgetShow Finance OffersEligibility CheckStart CheckoutComplete CheckoutConfirm PaymentReturning CustomersRefund CustomersSecond LenderAdding NewpayeCommerce ModulesEnvironmentsGoing LiveAPIEndpointsAuthenticate credentialspostInitialise FlexPay WidgetpostVerify & start checkoutpostRetrieve checkoutgetReturns public keygetVerify messagepostReturns statusgetUpdate transactionpatchappendicesAPI Error CodesTile PositionsupportContactFinance PromotionDetails on finance promotion - to add