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 PositionsupportContactVerify messagepost https://dummy-api.staging.host.com/key/{keyId}/verifyUsed to verify that a given payload has been signed