In this episode of The Payments Trilogue, the hosts discuss the evolution of payment regulations in Europe, focusing on the transition from PSD2 to PSD3 and PSR. They explore the challenges faced by Payment Initiation Service Providers (PISPs) and Account Information Service Providers (AISPs), the importance of collaboration over regulation, and the need for better governance and competition in the payment services landscape. The conversation also delves into the technical aspects of APIs, liability concerns, and the future of payments regulation, emphasizing the necessity for industry cooperation to create effective solutions.