If you need to regenerate an API key for any reason (whether it be for security reasons or staff changes etc.) it is quite easy!
To get started, navigate to Dashboard and click on the Application at the bottom of the page.
Next, click the application key for which you want to regenerate, and click Regenerate key on the following screen.
Lastly, click Regenerate again to confirm the action on the following screen.
Once a key is regenerated, the old one will be permanently disabled.
After confirming, your old API key will be replaced with a new one that can be used immediately.