The Financial Information Providers (FIPs) maintain accounts of the customers. The Account Aggregator may request FIP for financial information of the customers using explicit electronic consents obtained through a direct customer interaction. The API defined here is implemented by the FIP to enable Account Aggregators to discover a customer’s account, perform account linking and enable query of the financial information based on explicit digitally signed electronic consent. The FIP further maintains the active status of the consents and exposes the Notification method so AA can notify it about the changes in the status of consent and account delinking requests etc.