Outage in Stamps.com

Issues Printing Postage

Resolved Minor
October 07, 2025 - Started about 2 months ago - Lasted about 14 hours
Official incident page

Incident Report

Stamps.com Engineers have identified an issue that may temporarily affect some of our customers' ability to print postage and shipping labels. An error message of "Conversation-out-of-sync" intermittently appears when attempting to print. NOTE: Attempting to print again will allow you to continue printing, however, you may intermittently see the error message appear. We are working to quickly resolve this issue and will provide an update when it is available. We apologize for the inconvenience.

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Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 10/08/2025 03:07PM

This incident has been resolved.

INVESTIGATING about 2 months ago - at 10/08/2025 01:11AM

Stamps.com Engineers have identified an issue that may temporarily affect some of our customers' ability to print postage and shipping labels. An error message of "Conversation-out-of-sync" intermittently appears when attempting to print. NOTE: Attempting to print again will allow you to continue printing, however, you may intermittently see the error message appear. We are working to quickly resolve this issue and will provide an update when it is available. We apologize for the inconvenience.

Latest Stamps.com outages

Login Issues - 20 days ago
Stamps/AWS Service Disruption - about 1 month ago
Transaction Print History Delays - about 2 months ago

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