JUMP TOPrimer APIClient Session APICreate a client sessionpostRetrieve a client sessiongetUpdate client sessionpatchPayments APISearch & list paymentsgetCreate a paymentpostCapture a paymentpostCancel a paymentpostRefund a paymentpostResume a paymentpostGet a paymentgetPayment Methods APISave a payment method tokenpostList saved payment methodsgetDelete a saved payment methoddeleteUpdate the default saved payment methodpostPrimer WebhooksPayment WebhooksPayment Status UpdatepostPayment RefundpostDispute & Chargebacks WebhooksDispute OpenpostList saved payment methodsget https://api.sandbox.primer.io/payment-instrumentsRetrieve a list of stored payment methods for a customer.