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

Past Incidents

Mar 4, 2026

No incidents reported today.

Mar 3, 2026

No incidents reported.

Mar 2, 2026

No incidents reported.

Mar 1, 2026

No incidents reported.

Feb 28, 2026

No incidents reported.

Feb 27, 2026

No incidents reported.

Feb 26, 2026

No incidents reported.

Feb 25, 2026

No incidents reported.

Feb 24, 2026

No incidents reported.

Feb 23, 2026

No incidents reported.

Feb 22, 2026

No incidents reported.

Feb 21, 2026

No incidents reported.

Feb 20, 2026

No incidents reported.

Feb 19, 2026

No incidents reported.

Feb 18, 2026

No incidents reported.