There are several signals emitted during authentication flows. You can hook to them for your own needs.
allauth.account.signals.user_logged_in(request, user)Sent when a user logs in.
allauth.account.signals.user_logged_out(request, user)Sent when a user logs out.
allauth.account.signals.user_signed_up(request, user)Sent when a user signs up for an account. This signal is typically followed by a
user_logged_in, unless e-mail verification prohibits the user to log in.allauth.account.signals.password_set(request, user)Sent when a password has been successfully set for the first time.
allauth.account.signals.password_changed(request, user)Sent when a password has been successfully changed.
allauth.account.signals.password_reset(request, user)Sent when a password has been successfully reset.
allauth.account.signals.email_confirmed(request, email_address)Sent after the email address in the db was updated and set to confirmed.
allauth.account.signals.email_confirmation_sent(request, confirmation, signup)Sent right after the email confirmation is sent.
allauth.account.signals.email_changed(request, user, from_email_address, to_email_address)Sent when a primary email address has been changed.
allauth.account.signals.email_added(request, user, email_address)Sent when a new email address has been added.
allauth.account.signals.email_removed(request, user, email_address)Sent when an email address has been deleted.
allauth.socialaccount.signals.pre_social_login(request, sociallogin)Sent after a user successfully authenticates via a social provider, but before the login is fully processed. This signal is emitted as part of the social login and/or signup process, as well as when connecting additional social accounts to an existing account. Access tokens and profile information, if applicable for the provider, is provided.
allauth.socialaccount.signals.social_account_added(request, sociallogin)Sent after a user connects a social account to a their local account.
allauth.socialaccount.signals.social_account_updated(request, sociallogin)Sent after a social account has been updated. This happens when a user logs in using an already connected social account, or completes a connect flow for an already connected social account. Useful if you need to unpack extra data for social accounts as they are updated.
allauth.socialaccount.signals.social_account_removed(request, socialaccount)Sent after a user disconnects a social account from their local account.