Stamps does not have a dedicated notification for postage refunds. However, you can review your transaction history to see what postage refunds, if any, have been processed.
To check your postage refund history in Stamps:
- Log in to your Stamps.com account:
- Click on the History tab from the top toolbar.
- From the left hand side, click on the filter Status.
- Then click Refund Pending or Refunded to see any postage refund transactions being handled by Stamps.