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

Feb 5, 2026

No incidents reported today.

Feb 4, 2026

No incidents reported.

Feb 3, 2026

No incidents reported.

Feb 2, 2026

No incidents reported.

Feb 1, 2026

No incidents reported.

Jan 31, 2026

No incidents reported.

Jan 30, 2026

No incidents reported.

Jan 29, 2026

No incidents reported.

Jan 28, 2026

No incidents reported.

Jan 27, 2026

No incidents reported.

Jan 26, 2026

No incidents reported.

Jan 25, 2026

No incidents reported.

Jan 24, 2026

No incidents reported.

Jan 23, 2026

No incidents reported.

Jan 22, 2026

No incidents reported.