The credit card represents one of the most important financial instruments at present. The credit card concept originated and was developed in the West under the rules of conventional law. Over time the credit card has invaded the Islamic markets. A credit card transaction does not fall under any of the known financial contract categories in Islamic principles. Therefore, determining the Islamic rulings and finding a jurisprudential adaptation for such credit card transactions is essential for clarifying relevant jurisprudential rulings, as one cannot specify whether a specific transaction is permitted or prohibited without a jurisprudential adaptation on the matter. Islamic researchers have taken great effort to clarify the jurisprudential adaptation of a credit card transaction. This article will examine the potential legitimate nature of the credit card transaction in order to determine Islamic rulings. The concept ‘credit card’ originated in the West and developed under the rules of conventional law. Although credit cards have since invaded the Islamic markets, their transactions do not fall under any of the known categories for Islamic financial contracts; therefore, one must determine the Islamic rulings that relate to such transactions. Islamic scholars have exerted much effort to find a jurisprudential adaptation for the credit card transaction, which is essential in order to clarify jurisprudential rulings on transactions and to specify whether a transaction is permitted or prohibited. This article examines the potential legitimate nature of the credit card transaction in order to determine the Islamic rulings.