App connection error: "Not authenticated" or "Unauthorized"

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Updated at August 20th, 2025

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Causes How to fix it

When setting up a Zap or reviewing Zap run details in your Zap history, you might encounter app connection errors such as the messages “Not authenticated” or “Unauthorized”.

Causes

This can happen when:

You do not have the right user permissions in your app.
Your app requires you to have a paid or specific plan on their platform.
There was an error connecting your app account to Zapier.

How to fix it

To fix this:

Check your user permissions in your app to ensure you have the right privileges.
Check your app plan to ensure you have the right plan level.
Reconnect your app account.

You can try searching the Help Center and Zapier Community for more information. If you need additional help after troubleshooting this error, contact Zapier support.

App connection error: "Not authenticated" or "Unauthorized"

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Causes

How to fix it

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