Create test credit cards in account settings to test transactions and validate your system. Navigate to Settings > Account Settings, and select the Test Cards tab.
How to Create Test Credit Cards
Navigate to Settings in the main navigation.
Click Account Settings.
Select the Test Cards tab.
Click Add New.
An Add New Test Card drawer will open on the right with three tabs: Success, Declines, and Card Types.
In the Success tab, select a test card number to use for testing successful transactions.
In the Declines tab, select a test card number suggested for decline scenarios.
In the Card Types tab, select the card types you want to test, such as Prepaid, Debit, and 3DS.
Click Save to register the test card.