Railz is a financial technology company based in Toronto, Canada, founded in 2020. It specializes in developing APIs that enable seamless integration with major accounting service providers and banking platforms. Railz was acquired by FIS, a global leader in financial technology solutions, which has enhanced its capabilities. The primary offering from Railz is the **FIS Accounting Data as a Service** API. This API connects businesses to various accounting services like QuickBooks, Xero, and Sage, as well as banking platforms through Plaid. It provides on-demand and real-time access to financial data, allowing businesses to make informed decisions. Key features include a plug-and-play widget for secure authentication and a white-labelled interface for easy integration of financial data into applications. Railz's API serves a diverse range of businesses, including financial institutions and fintech companies, helping them improve their financial data integration and decision-making processes.