The Promys link provides full validation, error exception reporting and builds a complete audit trail for Promys and Acumatica integration transactions. "Like Promys, Acumatica supports the latest in Web API integration technology, which allows customers to easily configure and control integration rules and timing of what data gets passed between their PSA and Accounting/ERP software, all of which can all be easily updated as customer integration needs change," David Donnelly, VP of product development at Promys PSA, said in a prepared statement. Promys also connects with Dynamics GP, Sage 300 and QuickBooks.