Sinch experienced a minor incident on March 18, 2026 affecting SMPP - US and ENUM US and 1 more component, lasting 15h 34m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 18, 2026, 09:52 PM UTC
Dear Client, We are currently experiencing a performance degradation on our US7 site. To minimize impact, clients are advised to temporarily connect to the designated redundant site US1 for the duration of this issue. Affected Site: US7 Recommended Redundant Site: US1 Alternative Endpoints: us1.smpp.api.sinch.com us1.httpsms.api.sinch.com us1.httplookup.api.sinch.com Our teams are actively investigating and working to resolve the issue as quickly as possible. If you have any questions, please contact [email protected].
- monitoring Mar 19, 2026, 02:46 AM UTC
A fix has been implemented and we are monitoring the results.
- monitoring Mar 19, 2026, 05:07 AM UTC
We are continuing to monitor for any further issues.
- resolved Mar 19, 2026, 01:27 PM UTC
This incident has been resolved. Incident Start Time: 2026-03-18 16:30 UTC Incident End Time: 2026-03-19 12:40 UTC