> ## Documentation Index
> Fetch the complete documentation index at: https://docs-staging-quickstart-revamp.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

> Learn about enterprise identity providers supported by Auth0.

# Enterprise Identity Providers

Auth0 supports the following enterprise providers out of the box:

* [Active Directory/LDAP](/docs/authenticate/identity-providers/enterprise-identity-providers/active-directory-ldap)
* [ADFS](/docs/authenticate/identity-providers/enterprise-identity-providers/adfs)
* [Azure Active Directory Native](/docs/authenticate/identity-providers/enterprise-identity-providers/azure-active-directory-native)
* [Google Workspace](/docs/authenticate/identity-providers/enterprise-identity-providers/google-apps)
* [OpenID Connect](/docs/authenticate/identity-providers/enterprise-identity-providers/oidc)
* [Okta](/docs/authenticate/identity-providers/enterprise-identity-providers/okta)
* [PingFederate](/docs/authenticate/identity-providers/enterprise-identity-providers/ping-federate)
* [SAML](/docs/authenticate/identity-providers/enterprise-identity-providers/saml)
* [Azure Active Directory](/docs/authenticate/identity-providers/enterprise-identity-providers/azure-active-directory/v2)

<Callout icon="file-lines" color="#0EA5E9" iconType="regular">
  Auth0's B2B and Enterprise plans allow unlimited [Okta Enterprise Connections](/docs/authenticate/identity-providers/enterprise-identity-providers/okta). To learn more, see [Auth0's Pricing Page](https://auth0.com/pricing).
</Callout>

You can also explore partner-supported enterprise connections on the [Auth0 Marketplace](https://marketplace.auth0.com/features/enterprise-connections).

## OpenID Connect (OIDC) protocol

Enterprise connections using <Tooltip tip="OpenID: Open standard for authentication that allows applications to verify users' identities without collecting and storing login information." cta="View Glossary" href="/docs/glossary?term=OpenID">OpenID</Tooltip> Connect or Okta Workforce as the <Tooltip tip="OpenID: Open standard for authentication that allows applications to verify users' identities without collecting and storing login information." cta="View Glossary" href="/docs/glossary?term=identity+provider">identity provider</Tooltip> can support the following:

* Proof Key for Code Exchange (PKCE)

  * For more information on PKCE, review [Protecting Apps with PKCE](https://www.oauth.com/oauth2-servers/pkce/).
* Attribute claims and <Tooltip tip="Access Token: Authorization credential, in the form of an opaque string or JWT, used to access an API." cta="View Glossary" href="/docs/glossary?term=access+token">access token</Tooltip> mapping
* UserInfo integration

You can currently implement these features for [OpenID Connect](/docs/authenticate/identity-providers/enterprise-identity-providers/oidc) or [Okta Workforce](/docs/authenticate/identity-providers/enterprise-identity-providers/okta) connections. To learn more, review [Configure PKCE and Claim Mapping for OIDC Connections](/docs/authenticate/identity-providers/enterprise-identity-providers/configure-pkce-claim-mapping-for-oidc).