> 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/single-sign-on-for-peakcommerce-sites.md).

# Single Sign-On for PeakCommerce Sites

PeakCommerce supports **single sign-on (SSO)** through Auth0, so users authenticate once and reach PeakCommerce without signing in again.

## Options

* **Social logins** — users sign in with providers such as Google.
* **Enterprise / OIDC SSO** — connect your own identity provider so users sign in with their corporate credentials.
* **Bring your own IdP** — when you use your own IdP, you also keep control of password and MFA policy within it.

## OIDC setup

To connect an OpenID Connect provider, PeakCommerce needs your provider's **Issuer URL** (for the discovery document) and your **Client ID**; you configure the provider with the callback URL `https://<subdomain>.auth0.com/login/callback`. See [What your web team needs for SSO](/product/using-peakcommerce/authentication-and-security/what-will-our-web-team-need-to-do-over-and-above-the-sso-setup.md).

SSO is set up with your PeakCommerce implementation team — contact your account team to enable it.


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