Guidewire Software exclusively serves the P&C insurance industry. They build and implement the core systems on which insurance carriers run their businesses. Guidewire provides a variety of integration mechanisms, including a web services API. Data can be exchanged in any format, including ACORD XML or IAA. These flexible options have enabled over one hundred live production integrations at our current customer sites, including integrations to dozens of legacy mainframe systems. Public documentation is not available for the API.