Since Plugzio doesn't store any payment information, you can simply use a different credit or debit card when topping up your wallet. For more details on how to top up your wallet, please check out our article: Plugzio user - How to top up the Plugzio wallet
Alternatively, you can create a new wallet and use it with a specific credit card. For more details on creating a wallet, please refer to our article: Plugzio user - How to create a wallet
Need help with anything else? Contact the Plugzio customer care team to have a chat with one of the specialists and discuss your concerns.