• Supports all PayPal transaction types
• Supports the following databases for data population with the fairpay_sql_populate module:

 

• MySQL
• PostgresSQL
• MS-SQL (via ODBC)

 

• Comes with six required database tables for tracking your IPN data
• FairPay's tables may reside within any database, so it's ideal for use even in an ISP setting where you may only be provided one database
• Provides output to your applications in XML with a well-defined DTD, if access to the data directly from a file rather than (or in addition to) a database is desired
• Supports unlimited commands per transaction
• Supports business logic modules written in any language
• Supports access logging (unlimited, rolling, or disabled)
• Supports session-count limiting of command execution, with fully configurable retries
• Supports user-defined environment variables
• Designed with system security in mind
• Source code immediately available for modifications, if necessary or desired