Pass in a payerId and one or more payment methods in order to save those payment methods to that existing payer within ClientPay.

Header Parameters

accessId*StringUnique identifier that ensures that the integrator has the authorization to make requests on behalf of the customer. (Specifically, a customer's merchant account)

Body Parameters

token*Object/HashObject containing authentication parameters - most crucially the requestId which is required with every call. For more information, see the Token Object.
payerId*StringID of the payer for whom you are adding a payment method.
paymentMethods*Array of ObjectsArray of Payment Method Objects