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Sinch Outage History

Daily provider-status observations and published incident history for Sinch.

Component incident

Sinch has an active component incident; no global outage is indicated. Verified . Official provider source.

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15.2% of 46 verified observed days had no reported provider issue

90-Day Trend

Jul 24Oct 21

Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.

Monthly Status Summary

Month Issue-free days Days Tracked Days with issues
September 2026 16% 25 21

This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.

Recorded Daily Status (Last 91 Days)

Jul 23 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

August 2026
Sinch Engage - WhatsApp Campaigns - Degradation
minor Observed active window 1h 39m

View incident details and source

Started:

Web Portal
investigating
We are continuing to investigate this issue.
investigating
We are observing an intermittent issue affecting WhatsApp Campaigns. Incident Start Time: 2026-08-26 12:10 UTC Impact: Customers may be unable to select contacts when creating campaigns, or experience issues with campaigns being processed and sent. Our teams are actively working to resolve the issue and will provide further updates as they become available.
Delivery Issue Germany - 1&1
minor Observed active window 3h 34m

View incident details and source

Started:

SMS - EMEA
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Germany - 1&1. Incident Start Time: 2026-08-25 18:49 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
Delivery Issue Canada - ICE Wireles
minor Observed active window 310h 31m

View incident details and source

Started:

SMS - CA - ShortCode
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Canada - ICE Wireless. Incident Start Time: 2026-08-20 02:44 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.

Legacy Incident Archive

218 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.

August 2026
Delivery Issue Costa Rica - Telefonica
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Costa Rica - Telefonica Incident Start Time: 2026-08-02 22:42 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
July 2026
Delivery Issue Angola - Unitel
minor Source not attested
Last archived state: resolved
View archived record details
identified
The operator is continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
The operator is continuing to work on a fix for this issue.
identified
We are currently observing delivery issues in Angola - Unitel Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts The issue has been identified, the operator has confirmed an ongoing outage and is working to remediate the issue. We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
Sinch Engage - Inbox Degradation
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We have identified an issue affecting multiple accounts where incoming SMS, MMS and WhatsApp messages are received successfully but are not appearing in the Inbox. Messages remain visible in Detailed Reports (Received/Inbound). Our team is actively investigating the issue.
Delivery Issue Angola - Africell
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Angola - Africell Incident Start Time: 2026-07-30 17:59 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
Delivery Issue Angola - Africell
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Angola - Africell Incident Start Time: 2026-07-29 19:10 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
Delivery Issue Italy - Fastweb
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Italy - Fastweb Incident Start Time: 2026-07-29 13:04 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
Service Outage - Chatlayer Voice Engine - US, EMEA
critical Source not attested
Last archived state: resolved
View archived record details
monitoring
The fix has now been implemented, The Chatlayer Voice service errors observed are no longer visible and we will continue to monitor the results. Incident Restored Time: 2026-07-29 13:35 UTC
investigating
Our engineers are working on a potential fix for the issue. We will provide an update once the potential fix has been implemented.
investigating
We are continuing to investigate this issue. We have been able to isolate the start time to 2026-07-29 11:14 UTC Our engineers are hard at work trying to resolve the issue, Further updates will be provided as soon as they are available.
investigating
We are currently investigating an issue on the Chatlayer Voice Engine in the EMEA and US regions. Impact: Customers will experience issues with incoming and outgoing calls via the Chatlayer services
Delivery Issue Mexico - AT&T
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We can observe that performance is restored. Incident Restoration Time: 2026-07-28 09:00 UTC We will continue to monitor for any further disturbances.
investigating
We are currently observing delivery issues in Mexico - AT&T. Incident Start Time: 2026-07-28 06:22 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.
Delivery Issue Brazil - Claro
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Brazil - Claro. Incident Start Time: 2026-07-25 01:46 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.
Delivery Issue Hungary - Telenor
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Hungary - Telenor Incident Start Time: 2026-07-24 16:05 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.