JUMP TOAPI basicsIntroductionAuthenticationAPI Health CheckResponse Codesinvisible recovery apiChargeChargepostAuthorizeAuthorizepostCaptureCapturepostVoidVoidpostRefundsRefundpostRefund-PaymentpostRefunded PaymentpostTransaction DetailsListgetPayment StatusgetShow Transaction (by merchantTransactionId)getShow Transaction (by transactionId)getPayment MethodsCreate a Payment MethodpostListgetShowgetUpdateputRedactputRecacheputSuccessful PaymentSuccessful Paymentpostgateway management apiIntroductionList GatewaysList GatewaysgetGateway DetailsGateway DetailsgetCreate GatewayCreate GatewaypostUpdate GatewayUpdate GatewaypatchSupported GatewaysEngaged Recovery APIIntroductionCustomersUpsert CustomerpostComplete CampaignpostPowered by Update Gatewaypatch https://api.flexpay.io/v1/gateways/{gatewayId}Update configuration of an existing gateway.