> ## Documentation Index
> Fetch the complete documentation index at: https://docs.phidata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Command line authentication

If you run `phi auth` and you get the error: `CLI authentication failed` or your CLI gets stuck on

```
Waiting for a response from browser...
```

It means that your CLI was not able to authenticate with your Phidata account on [phidata.app](https://phidata.app)

The quickest fix for this is to export your `PHI_API_KEY` environment variable. You can do this by running the following command:

```bash theme={null}
export PHI_API_KEY=<your_api_key>
```

Your API key can be found on [phidata.app](https://phidata.app) in the sidebar under `API Key`.

<img src="https://mintcdn.com/phidata/Sh-Zufd34Q4ws-t-/images/cli-faq.png?fit=max&auto=format&n=Sh-Zufd34Q4ws-t-&q=85&s=34625c4cee44ad013b0780427b50e27d" alt="phi-api-key" width="541" height="352" data-path="images/cli-faq.png" />

Reason for CLI authentication failure:

* Some browsers like Safari and Brave block connection to the localhost domain. Browsers like Chrome work great with `phi auth`.