Payments using third party`s credit card are forbidden.

In a case of this kind of payment amount transferred will be reduced by charge back fees and will be returned to credit card holder.

Additionally there will be no possibility to make subsequent payments using this card in a future.
 
You also need to submit a copy of credit card to XM in order to verify your card, if you don’t, you will not be able to deposit or withdraw any funds using this credit card