WorkOS is a software company that provides developer tools for building enterprise-grade applications. The company was founded in 2019 by Michael Grinich and Hayley Griffin. WorkOS' mission is to make it easy for developers to build applications that integrate with enterprise systems. The company's flagship product is the WorkOS API, which provides a set of tools for building enterprise-grade applications that integrate with popular identity providers, such as Google and Microsoft. WorkOS has raised $10 million in funding from top investors, including Founders Fund and Gradient Ventures.