Advanced Customizations for Universal Login

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Advanced Customizations for Universal Login (ACUL) is an Early Access capability for Universal Login that allows you to build custom, client-rendered versions of Universal Login screens, giving you control over every pixel of your Universal Login experience. Advanced Customizations for Universal Login can help your organization:

  • Create pixel-perfect branding: Design user interfaces that look and feel a part of your brand.

  • Support multiple brands or customers in one tenant: Leverage application, user, and organization information to deliver multi-brand authentication experiences.

  • Gather advanced analytics & metrics: Integrate A/B testing and analytics platforms to optimize and innovate on onboarding journeys.

  • Comply with regional requirements: Follow region-specific requirements around localization, privacy, and accessibility.

  • Leverage existing technology investments: Utilize the technologies that already power your applications, design-systems, CSS, and Javascript frameworks.

  • Build custom authentication experiences secured by Auth0: Connect the security and extensibility of the Auth0 features like passkeys, threat intelligence, and Security Center with your organization's aesthetics and user experience.

  • Balance the effort & impact of front-end development: Iteratively or selectively adopt ACUL based on your company’s specific business needs and use cases.

Advanced Customizations for Universal Login is built on top of the core capabilities of Auth0. It uses a client/server model to give you full control over the client-side interface while leveraging the security, extensibility, and flexibility of Universal Login’s hosted authentication on the server side. Capabilities available in Universal Login work out of the box with Advanced Customizations for Universal Login.

To begin using Advanced Customizations for Universal Login, review Getting Started with Advanced Customization.

What is supported in Early Access?

During the Early Access phase, Auth0 will release and support custom interfaces for every screen and capability included by default in Universal Login.

Early Access is supported for use in Production, and future EA releases will be non-breaking, meaning they will be backward compatible with existing supported screens and features. Below is a list of the currently supported screens and capabilities; this information can also be found in the Auth0 Changelog.

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This EA release focuses on the configuration API, dev tooling, basic SDK support, and building custom UIs for the first factor screens and capabilities related to the Identifier First authentication profile, including:

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This release enables ACUL, by default, for all tenants on a paid plan and focuses on building custom UIs for the single step signup/login flows and the basic reset password flow, including:

  • signup

  • login

  • reset-password

  • reset-password-email

  • reset-password-request

  • reset-password-error

  • reset-password-success

It also includes updates to the Javascript SDK and our CDT tooling to support these new screens.

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This release adds support for user-built custom versions of Universal Login’s multi-factor authentication enrollment screens and three of our most common MFA factors using the new ACUL SDK, including:

  • mfa-detect-browser-capabilities

  • mfa-begin-enroll-options

  • mfa-enroll-result

  • mfa-login-options

  • mfa-email-list

  • mfa-email-challenge

  • mfa-country-codes

  • mfa-sms-enrollment

  • mfa-sms-list

  • mfa-sms-challenge

  • mfa-push-welcome

  • mfa-push-enrollment-qr

  • mfa-push-list

  • mfa-push-challenge-push