Other donation options listed on WikiLeaks' website are through mail to an Australian post office box, through bank transfers to accounts in Switzerland, Germany or Iceland as well as through one "credit card processing partner" in Switzerland.
PayPal isn't the only company to drop WikiLeaks.
WikiLeaks had to switch to a Swiss domain name after an American company stopped linking Internet traffic to it.
Meanwhile, WikiLeaks founder Julian Assange is in hiding. He said if he's taken into custody, all WikiLeaks' secrets will be released.
He is facing rape charges in Britain.
The site has already released classified U.S. diplomatic files, as well as secret documents related to the wars in Iraq and Afghanistan.
The Associated Press Contributed to this report.