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.

UPS Updates for US & CA International Shipments
Monitoring - Dimensional weight (International) – effective 11 January 2026: Package dimensions will be rounded up to the nearest whole centimeter or inch.
Jan 09, 2026 - 15:14 PST
Stamps.com Online (Printing Postage Using a Web Browser) Operational
Stamps.com Software (Printing Postage Using our Windows Application) Operational
Stamps.com API (SWS/Web Services) Operational
Stamps.com Reporting Tools (Postage History, Refunds & SCAN Forms) Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Jan 15, 2026

No incidents reported today.

Jan 14, 2026

No incidents reported.

Jan 13, 2026

No incidents reported.

Jan 12, 2026

No incidents reported.

Jan 11, 2026

No incidents reported.

Jan 10, 2026

No incidents reported.

Jan 9, 2026

Unresolved incident: UPS Updates for US & CA International Shipments.

Jan 8, 2026

No incidents reported.

Jan 7, 2026

No incidents reported.

Jan 6, 2026
Issues Printing Postage
Resolved - Stamps.com Engineers have fixed the postage printing issue. We apologize for the inconvenience and thank you for your patience. If you are still having issues, please contact us.
Jan 6, 17:19 PST
Investigating - Stamps.com Engineers have identified an issue that may temporarily affect some of our customers' ability to print postage and shipping labels. We are working to quickly resolve this issue and will provide an update when it is available. We apologize for the inconvenience.
Jan 6, 16:51 PST
Jan 5, 2026

No incidents reported.

Jan 4, 2026

No incidents reported.

Jan 3, 2026

No incidents reported.

Jan 2, 2026

No incidents reported.

Jan 1, 2026

No incidents reported.

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