Can I pay using credit card?

Yes you can. In order for your transaction to be successful, your credit card should be issued from any of the GCC countries. 

 Once you open the payment link, you will choose credit card payment then input your info and please make sure of the following to have a successful payment :-

1. Correct information inputted
2. Credit card is enrolled with 3D secure authentication
3. Sufficient funds

If you get a declined transaction after checking all the above please check with your bank to have a better idea as to why it was declined.