> For the complete documentation index, see [llms.txt](https://docs.1kosmos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.1kosmos.com/integrations/authentication/custom-integrations.md).

# Custom Integrations

1Kosmos has a broad library of prebuilt integrations but not every use case fits a prebuilt mold. For integrations that are not available out of the box, 1Kosmos provides support via custom integrations. Using **Applications**, you can create your own integrations using OIDC, SAML, or WS-Federation, connecting 1Kosmos to any application your organization relies on.

### Supported federation protocols

| Protocol     | Description                                                              |
| ------------ | ------------------------------------------------------------------------ |
| **OIDC**     | OpenID Connect, built on top of OAuth 2.0. Used for modern web apps.     |
| **SAML 2.0** | Security Assertion Markup Language. Widely supported by enterprise SaaS. |
| **WS-Fed**   | Web Services Federation. Used by Microsoft applications including Azure. |


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