Caixa, the operator of the PIX instant payment system in Brazil, has confirmed that the service experienced a brief interruption earlier today. The issue has been resolved, and PIX is now operating normally. Caixa has not provided any details on the cause of the disruption. PIX, which was launched in November 2020, has become a popular payment method in Brazil, with over 100 million registered users. The system allows users to make instant payments and transfers using their mobile phone numbers or QR codes. The disruption is likely to have caused inconvenience for users, but it is reassuring that the issue has been resolved quickly and that PIX is now operating as expected.