> 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/integrations/builtin/credentials/cortex.md).

# Cortex credentials

You can use these credentials to authenticate the following nodes:

* [Cortex](/integrations/builtin/app-nodes/n8n-nodes-base.cortex.md)

## Prerequisites <a href="#prerequisites" id="prerequisites"></a>

Install [Cortex](https://docs.strangebee.com/cortex/installation-and-configuration/) on your server.

## Supported authentication methods <a href="#supported-authentication-methods" id="supported-authentication-methods"></a>

* API key

## Related resources <a href="#related-resources" id="related-resources"></a>

Refer to [Cortex's API documentation](https://docs.strangebee.com/cortex/api/api-guide/) for more information about the service.

## Using API key <a href="#using-api-key" id="using-api-key"></a>

To configure this credential, you'll need:

* An **API Key**: Refer to the [Cortex API Authentication documentation](https://docs.strangebee.com/cortex/api/api-guide/#authentication) for detailed instructions on generating API keys.
* The URL/Server Address for your **Cortex Instance** (defaults to `http://<your_server_address>:9001/`)