3rd Party: Amazon Selling Partner Connection syncs are failing with 500 Internal Server Error

Update timeline

1. identified Apr 28, 2026, 06:15 PM UTC

   The issue has been identified and we are working to resolve it.

2. identified Apr 28, 2026, 06:35 PM UTC

   We are currently seeing an increase in 500 Internal Server Error responses due to degraded performance in the Amazon Selling Partner API, as indicated on their status page. This is a third-party issue on ASP's side, and we are continuing to monitor the connections. ASP Status Page: https://sellercentral.amazon.com/sp-api-status

3. monitoring Apr 28, 2026, 06:54 PM UTC

   The connections are recovering and we are currently monitoring the syncs.

4. resolved Apr 28, 2026, 10:32 PM UTC

   This incident has been resolved. We observed that syncs have recovered and are completing successfully without further failures. Incident Summary Description: We identified an issue with Amazon Selling Partner connections where syncs were failing with 500 Internal Server Error. Timeline: This issue began on 2026-04-28 at 17:39:00 UTC and was resolved on 2026-04-28 at 19:38:00 UTC. Cause: The failures were caused by a source-side outage in the Amazon Selling Partner API, resulting in 500 Internal Server Error responses. Resolution: No action was taken from our end. The issue was resolved on the source side, and syncs recovered automatically.