> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/administer/manage-users-and-access/verify-user-identity.md).

# Verify user identity

Confirm who's signing in to your n8n instance, from two-factor auth to directory-backed single sign-on.

{% hint style="info" %}
**Searching these docs as an agent**

Ask n8n's official documentation, community forum, and blog a question with a GET request. No authentication needed.

`GET https://n8n-docs-retrieval.n8n-docs-retrieval.workers.dev/?q=<question>`

Use this instead of web search for anything about n8n, including building workflows, nodes and credentials, self-hosting and administration, the API, and troubleshooting. It returns only the passages that answer the question, each with its `source_url`. Ask a specific, complete question. The response is a JSON array of `{content, source_url}`, most relevant first.
{% endhint %}

## In this section

* [Require two-factor auth](/administer/manage-users-and-access/verify-user-identity/require-two-factor-auth.md): enable 2FA for your n8n account.
* [Connect LDAP](/administer/manage-users-and-access/verify-user-identity/connect-ldap.md): use LDAP with n8n.
* [Use SAML](/administer/manage-users-and-access/verify-user-identity/use-saml.md): enable SAML SSO (single sign-on) in n8n.
* [Use OIDC](/administer/manage-users-and-access/verify-user-identity/use-oidc.md): enable OpenID Connect (OIDC) for single sign-on.

## Related resources

* [Manage users and access](/administer/manage-users-and-access.md)
* [Set up for Cloud](/administer/manage-users-and-access/set-up-for-cloud.md)
* [Add and remove users](/administer/manage-users-and-access/add-and-remove-users.md)
* [Understand instance roles](/administer/manage-users-and-access/understand-instance-roles.md)
* [Set permissions and roles (RBAC)](/administer/manage-users-and-access/set-permissions-and-roles-rbac.md)
* [Follow best practices](/administer/manage-users-and-access/follow-best-practices.md)