Stamps.com incident
Issues Generating Rates for Some Services Through Windows Clients
Resolved after 2 hours 39 minutes, affecting Stamps.com Software (Printing Postage Using our Windows Application), on September 22, 2026.
Stamps.com Engineers have fixed the technical issue and all systems are functioning normally. Thank you for your patience.
Affected components
Update timeline
- investigating Sep 22, 2026, 08:29 PM UTC
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.
- resolved Sep 22, 2026, 11:09 PM UTC
Stamps.com Engineers have fixed the technical issue and all systems are functioning normally. Thank you for your patience.
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