The mosques of Allah shall be visited and maintained by such as believe in Allah and the Last Day establish regular prayers, and practice regular charity, and fear none (at all) except Allah. It is they who are expected to be on true guidance. (At-Tawba 9:18)

Credit Card Disclaimer for Islamic Compliance

ISSB accepts credit card donations on the premise that the donor ensures prompt payments of his/her credit card bill to avoid any interest, charges, or delinquency fees due to delayed or nonpayment of the donated amount