Regarding the Retail Express Shopify Integration, a user can Disable the integration.
In Addition, the integration can be fully deleted by navigating to Settings - Integration - Shopify and then clicking on the Bin icon to the far right in line of the Shopify Domain name.
You should remove the Shopify integration to remove any risk of these transactions exceeding your limits.

Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article