Resolved after 3 days 16 hours, affecting Shipping, on August 14, 2026.
We are aware that some sellers experienced USPS rejecting Mercari prepaid shipping labels as "unpaid postage" earlier today (August 14). This is a USPS-side issue. USPS has applied a temporary fix, if your label wasrejected, please try dropping off your package again. It should now be accepted. We are continuing to monitor the situation and will update this page as we learn more.
Affected components
Update timeline
- monitoring Aug 14, 2026, 11:55 PM UTC
We are aware that some sellers experienced USPS rejecting Mercari prepaid shipping labels as "unpaid postage" earlier today (August 14). This is a USPS-side issue. USPS has applied a temporary fix, if your label wasrejected, please try dropping off your package again. It should now be accepted. We are continuing to monitor the situation and will update this page as we learn more.
- resolved Aug 18, 2026, 04:37 PM UTC
This incident has been resolved.
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