Enterprise SSO integration for BrandX Booking. Supported protocols: SAML 2.0, OAuth 2.0. Supported identity providers: Okta, Azure Active Directory, Google Workspace, OneLogin, Auth0, and custom SAML 2.0 providers. Setup: SSO URL https://api.brandxbooking.com/auth/sso/callback, Entity ID https://api.brandxbooking.com, ACS URL https://api.brandxbooking.com/auth/saml/consume. Also supports personal access tokens for internal API access without exposing credentials.