New Universal Login - Prefilling email without URL parameter

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Hello Auth0 team, I’m reaching out for some recommendations.

I understand the New Universal Login page allows for auto-prefilling email through the ‘login_hint’ parameter. However, doing so exposes the email in the resulting URL, which we’d like to prevent if possible.

The question being - Are there any workarounds that silently pre-fill an email without inserting it as the login_hint param, or is that the only supported method?

Thanks in advance!

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Hi @ebrlin,

Welcome to the Auth0 Community!

This param is part of the OIDC specification and is standard practice.

I’m not able to find any other supported ways of pre-filling the user’s email, but feel free to drop us a line in our Feedback category.

Hope that helps!

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