To top up your card or wall navigate navigate to "Home" page and click "Top up"

Select a card or a wallet that you want to top up 

Enter the amount you want to top-up and select a wallet to top-up from.

Please note that you can top-up cards only from your wallet. You can't top up your card from a different card if you have multiple cards

You cant send money to the card with a refunds. Card refunds are not allowed. Credit payments are not available for the cards also.