# Authenticating and Re-authenticating Formula Pro

You may need to authenticate (or re-authenticate) Formula Pro when using the app for the first time, or after automation ownership has been transferred. In these cases, you'll receive an error notification prompting you to re-authenticate:

<figure><img src="/files/Wol4Xs41sVLuoyelbgsx" alt=""><figcaption></figcaption></figure>

The video below walks you through the re-authentication steps:

{% embed url="<https://vimeo.com/1078501557?fe=sh&fl=pl>" %}

If you continue to see the error after re-authenticating, please contact support at <hello@shadebridge.com>.


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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://formulapro.shadebridge.com/formula-pro/getting-started/authenticating-and-re-authenticating-formula-pro.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.