USPS Dimension Requirements
Monitoring - To comply with USPS standards and avoid label errors or future USPS non-compliance fees, please be sure to enter all package dimensions (L x W x H) when creating your label.

As you may know, USPS is introducing a non-compliance fee for missing or inaccurate package dimensions (L x W x H) starting in early 2027. For more info please see USPS Dimension Compliance
Sep 30, 2026 - 17:18 CDT
Uptime over the past 90 days. View historical uptime.
ShipStation Operational
Order Managment API Operational
Marketplace Integrations Operational
Carrier Integrations Operational
Support Services Operational
Chat Support Operational
Phone Support Operational
Carriers Operational
Stamps.com Operational
FedEx Operational
UPS Operational
DHL Express Operational
DHL eCommerce Operational
Canada Post Operational
Australia Post Operational
Royal Mail Operational
Endicia Operational
Amazon Buy Shipping API Operational
Express 1 Operational
Purolator Operational
Parcelforce Worldwide Operational
DPD Operational
Evri Operational
Marketplaces Operational
Amazon US Operational
Shopify Operational
BigCommerce Operational
Walmart Operational
Squarespace Operational
TradeGecko Operational
ChannelAdvisor Operational
eBay Operational
Integrations Operational
Shipsurance Operational
ShipStation Companion API Operational
Companion API V1 Operational
Companion API V2 Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 1, 2026

No incidents reported today.

Sep 30, 2026

Sep 29, 2026

No incidents reported.

Sep 28, 2026

No incidents reported.

Sep 27, 2026

No incidents reported.

Sep 26, 2026

No incidents reported.

Sep 25, 2026

Evri - Unable to create labels
Resolved - This incident has been resolved.
Sep 25, 07:31 CDT
Monitoring - Evri made the optimizations on their side, and now we can see the requests are succeeding.
Sep 25, 07:11 CDT
Identified - The carrier identified the root cause and is implementing the optimization.
Sep 25, 06:17 CDT
Update - The carrier made some changes on their side, but the errors are still occurring. We are continuing the investigation with Evri.
Sep 25, 04:52 CDT
Investigating - Our system is receiving errors when calling Evri's API. We are in contact with the carrier to clarify and resolve the issue as soon as possible.
Sep 25, 02:57 CDT
Identified - The issue has been identified and a fix is being implemented.
Sep 24, 02:26 CDT

Sep 24, 2026

Sep 23, 2026

Inaccurate Cubic Rates Issue
Resolved - This incident has been resolved.
Sep 23, 11:39 CDT
Investigating - We are aware of reports of inaccurate rates for some USPS mailing services through ShipStation. Our engineering team is actively investigating, and we will post another update as soon as more information is available.
Sep 21, 15:46 CDT

Sep 22, 2026

No incidents reported.

Sep 21, 2026

Sep 20, 2026

No incidents reported.

Sep 19, 2026

No incidents reported.

Sep 18, 2026

No incidents reported.

Sep 17, 2026

9/17/26 ShipStation Connect degraded performance
Resolved - This incident has been resolved.
Sep 17, 16:04 CDT
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 17, 15:06 CDT
Investigating - We are currently investigating reports regarding ShipStation Connect disconnecting and reconnecting.
Sep 17, 12:08 CDT
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