Sinch experienced performance degradation on their US7 site affecting SMPP, ENUM, and HTTP services for 15.6 hours. Clients were advised to temporarily use the US1 redundant site and alternative endpoints to minimize impact during the outage. The incident was resolved after implementing a fix and monitoring period.
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This incident has been resolved.
Incident Start Time: 2026-03-18 16:30 UTC
Incident End Time: 2026-03-19 12:40 UTC
We are continuing to monitor for any further issues.
A fix has been implemented and we are monitoring the results.
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 support@sinch.com.
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