Issues Rating and Printing UPS Postage
Incident Lifecycle
Incident Timeline
Investigating
Stamps.com Engineers have identified an issue that may temporarily affect some of our customers' ability to rate and print UPS shipping labels through our classic Windows client application. We are working to quickly resolve this issue and will provide an update when it is available. We apologize for the inconvenience.
Apr 20, 2026 at 10:44 PM UTC
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