Stamps.com System Status

Welcome to Stamps.com’s home for real-time information on system status. If there are any interruptions in service, a note will be posted here.

Issues Generating Rates for Some Services Through Windows Clients

Incident Report for Status.Stamps.com

Investigating

Stamps.com Engineers have identified an issue that may temporarily affect some of our customers' ability to generate rates for Priority Mail and UPS services through our Windows Clients. The website is unaffected and should be used as a workaround for now. We are working to quickly resolve this issue and will provide an update when it is available. We apologize for the inconvenience.

Posted Sep 22, 2026 - 13:29 PDT

This incident affects: Stamps.com Software (Printing Postage Using our Windows Application).