In March 2023, the ECA offered the Live Online Training "How to register APIs in Brazil". With regard to Brazil's Registration procedures for APIs, a set of the most important questions raised during the training and the respective answers provided by the speakers Ms Marieke van Dalen, Global Regulatory Specialist, Aspen, The Netherlands, and Ms Susan Swiggers, Customer & Regulatory Support Officer, Aspen, The Netherlands, are listed in the following.