> 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/deepseek.md).

# DeepSeek credentials

You can use these credentials to authenticate the following nodes:

* [Chat DeepSeek](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatdeepseek.md)

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

Create a [DeepSeek](https://platform.deepseek.com/sign_up) account.

## 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 [DeepSeek's API documentation](https://api-docs.deepseek.com/api/deepseek-api) 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**

To generate your API Key:

1. Login to your DeepSeek account or [create](https://platform.deepseek.com/sign_up) an account.
2. Open your [API keys](https://platform.deepseek.com/api_keys) page.
3. Select **Create new secret key** to create an API key, optionally naming the key.
4. Copy your key and add it as the **API Key** in n8n.

Refer to the [Your First API Call](https://api-docs.deepseek.com/) page for more information.