> 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/opencti.md).

# OpenCTI credentials

You can use these credentials to authenticate when using the [HTTP Request node](/integrations/builtin/core-nodes/n8n-nodes-base.httprequest.md) to make a [Custom API call](/integrations/builtin/custom-api-actions-for-existing-nodes.md).

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

Create an [OpenCTI](https://filigran.io/solutions/open-cti/) developer account.

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

* API key

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

Refer to [OpenCTI's documentation](https://docs.opencti.io/latest/) for more information about the service.

This is a credential-only node. Refer to [Custom API operations](/integrations/builtin/custom-api-actions-for-existing-nodes.md) to learn more. View [example workflows and related content](https://n8n.io/integrations/opencti/) on n8n's website.

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

To configure this credential, you'll need:

* An **API Key**: To get your API key, go to your **Profile > API access**. Refer to the OpenCTI [Integrations Authentication documentation](https://docs.opencti.io/latest/deployment/integrations/#authentication) for more information.