How to wire Auth0 to a Webflow Cloud App for server-side session validation

Webflow's User Accounts feature was discontinued on January 29, 2026, necessitating the use of a third-party identity layer, such as Auth0, for sites with gated content. The guide explains how to securely integrate Auth0 authentication into a Webflow site by moving protected content to Webflow Cloud App endpoints and validating Auth0 tokens server-side before delivering content to the browser. To implement this, an Auth0 account configured as a Regular Web Application is required, along with a Webflow Cloud App and specific environment variables. The setup involves configuring Auth0 for proper URL handling, adding Auth0 credentials to the Webflow Cloud environment, building route handlers for login, callback, and logout functions, protecting Cloud App content endpoints, and wiring login and logout actions on the Webflow site. This method enhances security by ensuring that tokens are handled server-side, preventing exposure of sensitive data in the DOM, and supporting further integration with third-party APIs to create a robust membership layer.

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