> 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/harvest.md).

# Harvest credentials

You can use these credentials to authenticate the following nodes:

* [Harvest](/integrations/builtin/app-nodes/n8n-nodes-base.harvest.md)

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

Create a [Harvest](https://www.getharvest.com/) account.

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

* API access token
* OAuth2

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

Refer to [Harvest's API documentation](https://help.getharvest.com/api-v2/) for more information about the service.

## Using API Access Token <a href="#using-api-access-token" id="using-api-access-token"></a>

To configure this credential, you'll need:

* A Personal **Access Token**: Refer to the [Harvest Personal Access Token Authentication documentation](https://help.getharvest.com/api-v2/authentication-api/authentication/authentication/#personal-access-tokens) for instructions on creating a personal access token.

## Using OAuth2 <a href="#using-oauth2" id="using-oauth2"></a>

{% hint style="info" %}
**Note for n8n Cloud users**

Cloud users don't need to provide connection details. Select **Connect my account** to connect through your browser.
{% endhint %}

If you need to configure OAuth2 from scratch or need more detail on what's happening in the OAuth web flow, refer to the instructions in the [Harvest OAuth2 documentation](https://help.getharvest.com/api-v2/authentication-api/authentication/authentication/#oauth2-application) to set up OAuth.