Computer-implemented methods, computer-readable media, and computer systems for processing transactions are described. A provider contract associated with a particular account is identified. In response to determining that the identified provider contract is associated with a periodic activity, a rating request is created that is associated with the particular account. The created rating request associated with the particular account is added to a queue of consumption items for processing, so that the created rating request, when processed, triggers an action corresponding to the determined periodic activity at an external system.