> 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/sendgrid.md).

# SendGrid credentials

You can use these credentials to authenticate the following nodes:

* [SendGrid](/integrations/builtin/app-nodes/n8n-nodes-base.sendgrid.md)

## 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 [SendGrid's API documentation](https://www.twilio.com/docs/sendgrid/api-reference) 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 a [SendGrid](https://sendgrid.com) account and:

* An **API Key**

To create an API key:

1. In the Twilio SendGrid app, go to **Settings >** [**API Keys**](https://app.sendgrid.com/settings/api_keys).
2. Select **Create API Key**.
3. Enter a **Name** for your API key, like `n8n integration`.
4. Select **Full Access**.
5. Select **Create & View**.
6. Copy the key and enter it in your n8n credential.

Refer to [Create API Keys](https://www.twilio.com/docs/sendgrid/api-reference/api-keys/create-api-keys) for more information.