JUMP TOIntroductionEnvironmentsWaave APIPaymentCreate Payment (Online)postCreate Payment (In-store)postGet PaymentgetGet Payment StatusgetCancel PaymentpostRefundCreate RefundpostGet Refund StatusgetAgreementGet AgreementgetGet Agreement StatusgetCancel AgreementpostPayeeCreate PayeepostGet PayeegetUpdate PayeepatchDelete PayeedeletePayoutCreate PayoutpostGet PayoutgetPowered by Cancel Paymentpost https://api.au.app.waavetest.com/merchant/v1/payments/{paymentSessionId}/cancelCancel a payment.