Test the configuration
Set up and configure a PayPal Complete Payments payment gateway instance by using the information in this article.
For basic guidance on how to test payment gateway integrations within a sandbox environment, see Test payment gateway integration .
To perform your test, create an account in PayPal Sandbox and then generate test card data in your PayPal Sandbox account by using the Credit card generator . For more information about managing your BAIDs, see PayPal Developer documentation .