> 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/cal.md).

# Cal.com credentials

You can use these credentials to authenticate the following nodes:

* [Cal.com Trigger](/integrations/builtin/trigger-nodes/n8n-nodes-base.caltrigger.md)

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

Create a [Cal.com](https://www.cal.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 [Cal.com's API documentation](https://cal.com/docs/enterprise-features/api#api-server-specifications) 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**: Refer to the [Cal API Quick Start documentation](https://cal.com/docs/enterprise-features/api/quick-start) for information on how to generate a new API key.
* A **Host**: If you're using the cloud version of Cal.com, leave the Host as `https://api.cal.com`. If you're self-hosting Cal.com, enter the **Host** for your Cal.com instance.