Payment Methods
List Payment Methods
GET/accounts/{account_id}/payment-methods
Create Payment Method
POST/accounts/{account_id}/payment-methods
Get Payment Method
GET/accounts/{account_id}/payment-methods/{payment_method_id}
Update Payment Method
PUT/accounts/{account_id}/payment-methods/{payment_method_id}
Delete Payment Method
DELETE/accounts/{account_id}/payment-methods/{payment_method_id}
Set Default Payment Method
POST/accounts/{account_id}/payment-methods/{payment_method_id}/set-as-default