Configure your Universal or Classic Login’s core configuration, which includes:Documentation Index
Fetch the complete documentation index at: https://auth0-feat-iframe-embedding-clean.mintlify.app/llms.txt
Use this file to discover all available pages before exploring further.
- Login engine: Switch between Universal and Classic Login.
- Web Content Accessibility Guidelines (WCAG) compliance: Create a beautiful, hosted login page that meets WCAG requirements.
- Virtual environment support: Enable iframe embedding for development environments.
Settings
Universal or Classic Login
Switch between Universal and Classic Login. To learn more, read Universal Login vs. Classic Login.Navigate to Core configuration
Navigate to Branding > Universal Login > Pro-code customizations and select Core configuration.
Iframe embedding
Enable Universal or Classic Login to load when the application and login flow are embedded in an iframe, as with generative UI platforms like Vercel. Iframe embedding is only applied in development environmentsWhen iframe embedding is enabled, security headers that protect against clickjacking are disabled.
Navigate to Core configuration
Navigate to Branding > Universal Login > Pro-code customizations and select Core configuration.
Configure allowed origins
Under Allowed iframe URLs for Login, enter the allowed origins (e.g.,
https://v0.app or https://*.vusercontent.net).When an application is created from a generative UI platform such as Vercel using an available Auth0 integration, Auth0 pre-populates the allowed origins from the platform. To learn more, read Integrate with Vercel.