Payments API - Sequence DiagramsBelow are some common flows when using the Payments API.PaymentPayment (auto settlement)Checkout SDKFraudSight - highRisk3DS - frictionless3DS - challengeA basic card payment with no additional features such as 3DS or FraudSight enabled.BrowserMerchant_FrontendMerchant_BackendPayments_APIIssuersOrder receipt pageClick PayPayPayment requestPayment responseSettlements requestSettlements responseTransaction completeBrowserMerchant_FrontendMerchant_BackendPayments_APIIssuers