Testing Payment Review Transactions
PayPal payment review is always active in the live environment—the PayPal production servers automatically scan all payments for various risk factors. This is opposite in the Sandbox, where all transactions pass payment review by default.
If a payment is selected for payment review, it's status is set to
pending. To test how your application handles payment-review scenarios, enable the Payment Review option on an individual test account, then initiate transactions using that account.
To enable review payment on a test account, navigate to the account's Profile > Settings tab, and set Payment review to On. When enabled, the status of all transactions initiated by that account will be set to