Sinch experienced a network disturbance at their US7 site that affected SMPP, HTTP SMS, and HTTP lookup API endpoints for 6 minutes. The incident impacted US-based SMPP, HTTP, and REST services, with clients advised to use corresponding US1 redundant endpoints to maintain service continuity. The issue was resolved after engineers investigated and restored normal operations.
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This incident has been resolved.
Incident Start Time: 2026-04-15 18:21 UTC
Incident End Time: 2026-04-16 05:16 UTC
We are continuing to monitor for any further issues.
We are continuing to monitor for any further issues.
A fix has been implemented and we are monitoring the results.
We are currently experiencing a network disturbance on our US7 site. Our engineers are currently investigating.
To maintain uninterrupted service, clients are advised to connect to the corresponding redundant site indicated below:
Impacted endpoints:
us7.smpp.api.sinch.com
us7.httpsms.api.sinch.com
us7.httplookup.api.sinch.com
Corresponding redundant endpoints are available:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com
We will provide ongoing updates on this page. For any inquiries, please contact us at support@sinch.com.
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