Systems and methods consistent with the present invention provide a transaction processing during which a transaction billing event is created. Metadata associated with an application is stored in a transaction manager database. When a wireless device downloads an application, raw transaction information is sent to and stored in the database. The raw transaction data may include a subset of the metadata and additional information included by other devices and/or systems. Billing events are created by correlating the metadata and the raw transaction data. In addition, subscription billing events, such as those having reoccurring charges, are calculated by evaluating those transactions having a subscription transaction type and their associated metadata stored in the database.