For a successful deposit in the sandbox environment, the amount should be less than 10000000. For test withdrawals and refunds, the limit is 10000.

Test cards

Card Number	Result
4000 0000 0000 0002	3D-Secure enrolled, successful authorization
4242 4242 4242 4242	3D-Secure enrolled, declined authorization
4000 0000 0000 0408	Not enrolled for 3D-Secure, successful authorization
4000 0000 0000 0416	Not enrolled for 3D-Secure, declined authorization