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Sinch Outage History

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

Operational

Sinch is operational. Verified . Official provider source.

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17% of 47 verified observed days had no reported provider issue

90-Day Trend

Jul 25Oct 22

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 24 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.

May 2026
Delivery Issue Djibouti - Evatis
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 continuing to investigate this issue.
investigating
We are currently observing delivery issues in Djibouti - Evatis Incident Start Time: 2026-05-11 17:15 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 United States - AT&T
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues towards United States - AT&T Estimated Incident Start Time: 2026-05-06 14:00 UTC Impact: Delayed delivery for concatenated 10DLC MT messages submitted towards AT&T US. We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR | TT#MNOC-64100
Source not attested
Last archived state: resolved
View archived record details
investigating
Ticket Number :: MNOC-64100 Services:: DI SMS 365 (iSMS) Description :: Our internal monitoring has alerted to an incident. Few of our customers may observe delays in delivery for MO, MT and DR messages. Our support team is currently working on high priority to resolve this issue. Monitoring NOC will continue to follow-up and update you on the progress made. Impact :: Mobile Terminating (MT) Traffic: Potential Delay in delivery Mobile Originated (MO) Traffic: Potential Delay in delivery ...
Conversation & REST APIs - Delivery Receipt Issue
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently experiencing an issue with our Conversation and REST APIs. Incident Start Time: 2026-05-05 07:00 UTC Impact: A subset of Delivery Receipts for concatenated messages will receive an unknown state if submitted via the Conversation or REST APIs. We will provide ongoing updates on this page. For any inquiries, please contact us at support@sinch.com.
Delivery Issue Guatemala - Tigo
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Guatemala - Tigo Incident Start Time: 2026-05-06 09:20 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR | TT#MNOC-64082
Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
Ticket Number :: MNOC-64082 Services:: DI SMS 365 (iSMS) Description :: Our internal monitoring has alerted to an incident. Few of our customers may observe delays in delivery for MO, MT and DR messages. Our support team is currently working on high priority to resolve this issue. Monitoring NOC will continue to follow-up and update you on the progress made. Impact :: Mobile Terminating (MT) Traffic: Potential Delay in delivery Mobile Originated (MO) Traffic: Potential Delay in delivery ...
Delivery Issue Guatemala - Tigo
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Guatemala - Tigo Incident Start Time: 2026-05-05 22:20 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 Finland - Elisa and Telia
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Finland - Elisa and Telia. Incident Start Time: 2026-05-05 07:30 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 Mexico - AT&T
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Mexico - AT&T. Incident Start Time: 2026-05-05 00:09 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 issues Guatemala - Tigo
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 Guatemala - Tigo Incident Start Time: 2026-05-04 01:32 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.
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