> For the complete documentation index, see [llms.txt](https://docs.peakcommerce.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.peakcommerce.com/product/using-peakcommerce/authentication-and-security/session-management.md).

# Session Management

A **session** represents an authenticated user's connection to PeakCommerce. While a session is active, the user moves through the app without signing in again. Sessions end when the user logs out or a session lifetime limit is reached; resetting a user's password or email also ends their PeakCommerce session.

## How sessions work

PeakCommerce delegates authentication to **Auth0**. When a user signs in, Auth0 establishes a login session on its authorization server, and the application keeps a local session so it can tell, on each request, whether the user is authenticated.

Signing in with a social or enterprise identity provider (for example Google or an OIDC IdP) adds that provider's session as well — which is what enables a seamless **single sign-on** experience: a user already signed in to Auth0 (or to a linked provider) can be signed into PeakCommerce without re-entering credentials.

## When a session ends

* The user signs out.
* The session reaches its lifetime limit.
* The user's password or email is reset.

To configure SSO across sites, see [Single Sign-On for PeakCommerce Sites](/product/using-peakcommerce/authentication-and-security/single-sign-on-for-peakcommerce-sites.md).


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