Stamps.com System Status

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Issues Rating and Printing UPS Postage

Incident Report for Status.Stamps.com

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.
Posted Apr 20, 2026 - 15:44 PDT
This incident affects: Stamps.com Software (Printing Postage Using our Windows Application).
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