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.

Monitoring - To comply with new customs regulations, carriers, including USPS and others, are now requiring six-digit Harmonized System (HS) codes on all international commercial shipments.

Effective September 1, 2025, shipments without these codes may be delayed or rejected by customs authorities.

Aug 25, 2025 - 14:51 PDT
Update - We are continuing to monitor for any further issues.
Aug 01, 2025 - 13:43 PDT
Monitoring - CUPW-represented employees to vote on Canada Post’s final offers between July 21 and August 1. Canada Post will keep customers informed about the results of the vote and remains committed to delivering reliable service as the trusted delivery partner.

Learn more: https://www.canadapost-postescanada.ca/cpc/en/our-company/news-and-media/corporate-news/negotiations-list.page

U.S. Carrier Update

Effective Sunday, May 18, 2025, UPS will implement a Surge Fee for Air and Ground for UPS shipments as follows: UPS Standard® to Canada: $0.49 USD /pkg, All Other Services to Canada: $0.49 USD/per pound.

If a Canada Post labour disruption does occur, the UPS Service Guarantee will be suspended for all services in Canada, and Same Day On-Call Pickup service for UPS Standard® will be suspended. Same Day On-Call Pickup will be available for all other services as well as for next or future-day requests.

May 15, 2025 - 16:00 PDT
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
Sep 17, 2025

No incidents reported today.

Sep 16, 2025

No incidents reported.

Sep 15, 2025

No incidents reported.

Sep 14, 2025

No incidents reported.

Sep 13, 2025

No incidents reported.

Sep 12, 2025

No incidents reported.

Sep 11, 2025

No incidents reported.

Sep 10, 2025

No incidents reported.

Sep 9, 2025

No incidents reported.

Sep 8, 2025

No incidents reported.

Sep 7, 2025

No incidents reported.

Sep 6, 2025

No incidents reported.

Sep 5, 2025

No incidents reported.

Sep 4, 2025

No incidents reported.

Sep 3, 2025

No incidents reported.