A system is disclosed comprising: a memory and at least one processor operatively coupled to the memory, the at least one processor being configured to: present a user interface for registering an advertiser with the system and specifying an attribution rule for calculating a fee that is owed by the advertiser to a first advertising platform; obtain an analytics report; generate an attribution report based on the analytics report and the attribution rule, the attribution report including an indication of a fee that is calculated based on the attribution rule; and transmit the attribution report to the first advertising platform.