Companies/Sinch/Incidents

Sinch: US1 - Site Degradation

Affected components: Messaging APIs - SMPP - USSMPP - USENUM USLookup API Endpoints - ENUM USMigrated APIs - Redhot XML (mBlox)Redhot XML (mBlox)HTTP - USMessaging APIs - HTTP - USHTTP USLookup API Endpoints - HTTP USMigrated APIs - SMS (Legacy Sinch)SMS (Legacy Sinch)Messaging APIs - REST - USREST - USMessaging APIs - SMPP - CASMPP - CA

Timeline of updates

1. investigating2026-09-09 04:47 UTC

   Dear Client, We are currently experiencing a performance degradation on our US1 site. To minimize impact, clients are advised to temporarily connect to the designated redundant site US7 for the duration of this issue. Affected Site: US1 Recommended Redundant Site: US7 Incident Start Time: 2026-09-09 04:13 UTC Our engineers are currently investigating and additional information will follow as it becomes available.

2. identified2026-09-09 06:36 UTC

   The issue has been identified and a fix is being implemented.

3. resolved2026-09-09 07:22 UTC

   This incident has been resolved. Incident Start Time: 2026-09-09 04:13 UTC Incident End Time: 2026-09-09 07:14 UTC

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

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