WorkOS has raised $15 million in Series A funding to build an API platform that enables developers to quickly integrate enterprise-ready features into their applications. The company already powers some of the fastest growing products in the SaaS ecosystem, including Webflow and Hopin. WorkOS provides Single Sign-On (SAML), Directory Sync (SCIM), Audit Trail (SIEM), and more, helping developers save time and effort while becoming enterprise-ready. The platform is an alternative to Auth0, offering a full suite of features for integration with various directory systems and HR platforms.