A normal user export from Firebase, and import into Auth0 using the extension or API v2 would require users to reset their passwords. As a workaround, you could try something along the following lines:
- Set up a custom database connection in Auth0
- Enable the
Import users to Auth0
migration]2. This is a seamless migration, which doesn’t require users to reset their passwords. - Instead of connecting to a database, your
login
andGet User
scripts can call the Firebase REST API.