For centuries, international reparations were commonly exacted as a form of victor’s justice after war. Following World War II, however, the bitter legacy of the Treaty of Versailles and West Germany’s compensation of Nazism’s victim shifted this practice, ushering in a novel moral economy of international reparations. Yet, while recent decades have seen increased transnational activism around reparations, as well as interstate aid payments and official apologies, international reparations remain infrequent, and agreements often fail to end financial claims. This paper argues that one explanation for this lackluster record is a central paradox relating to finality. Though international reparations are designed to settle accounts and provide a basis for deeper reconciliation, by opening issues of traumatic memory to public debate, they often achieve the opposite effect and inspire a cascade of further financial claims. As evidence, we examine three cases of international reparations’ occurrence and rejection: Germany’s reparations for Nazi-era crimes, the United Nations Compensation Commission (UNCC) formation following Iraq’s invasion of Kuwait, and reparations negotiated but removed from the 1973 Paris Peace Accords. Employing process tracing methods on archival documents, we demonstrate in each case how this paradox helps explain international reparations’ limitations as a practice.