> 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/marketstack.md).

# Marketstack credentials

You can use these credentials to authenticate the following nodes:

* [Marketstack](/integrations/builtin/app-nodes/n8n-nodes-base.marketstack.md)

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

Create a [Marketstack](https://marketstack.com/) 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 [Marketstack's API documentation](https://marketstack.com/documentation) 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**: View and generate API keys in your Marketstack [account dashboard](https://marketstack.com/dashboard).
* Select whether to **Use HTTPS**: Make this selection based on your Marketstack account plan level:
  * Free plan: Turn off **Use HTTPS**
  * All other plans: Turn on **Use HTTPS**