Systems, methods, and computer-readable media are provided for processing and settling financial transactions. An example method comprises receiving a transaction from an originator. The transaction comprises information associated with an identification of an initiating user or the account. The method comprises determining the actual account number, transmitting a financial services transaction request comprising the actual account number to a financial institution, receiving a response, and transmitting a response back to the originator. Another method comprises receiving, from a user device, a request to associate a financial account with a user account. The method comprises generating and sending an association message to a payment network and receiving a key associated with the financial account for use in initiating financial transactions. Another method comprises utilizing such a key to generate and process a transaction request. Other systems, methods, and media are also provided.