Embedded Login
Embedded Login allows your users to log directly into your application and transmit their credentials to the Auth0 server for authentication. We do not recommend using Embedded Login. To learn more, read Centralized Universal Login vs. Embedded Login.
If you decide to use Embedded Login, you must configure your application for Cross-Origin Resource Sharing and should configure a custom domain. You can then implement the Lock SDK or Auth0.js SDK within your application, or call the Auth0 Authentication API directly.
Auth0 supports Embedded Login with Passwordless connections for multiple application types: