Integrating single sign-on (SSO) with Supabase, an open-source alternative to Firebase, can significantly streamline user authentication processes while enhancing security. By utilizing Descope as an identity provider and leveraging Supabase's support for SAML SSO, developers can create a seamless authentication experience that reduces password fatigue and minimizes security risks. Supabase's row-level security (RLS) feature further enhances data protection by allowing granular access control based on user authentication status. This integration not only unifies the login experience but also maintains the robust features that Supabase offers, such as real-time APIs and authentication systems, while enabling scalable and secure applications. With the combined power of Descope's SSO and Supabase's backend, businesses can improve user experience and security, setting the stage for a more efficient and user-friendly digital journey.