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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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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

October 2026
Delivery Issue USA - AT&T
minor Observed active window 4h 24m

View incident details and source

Started:

SMS - US - ShortCode SMS - US - 10DLC MMS - US
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in USA - AT&T. Incident Start Time: 2026-10-07 05:18 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 Belgium - Mobistar
minor Observed active window 2h 36m

View incident details and source

Started:

SMS - EMEA
investigating
We are currently observing delivery issues in Belgium - Mobistar Incident Start Time: 2026-10-07 03:32 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.
Delivery Issue Panama - Tigo
minor Observed active window 1h 17m

View incident details and source

Started:

SMS - LATAM
investigating
We are currently observing delivery issues in Panama - Tigo Incident Start Time: 2026-10-06 17:37 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 Nicaragua - Tigo
minor Observed active window 1h 18m

View incident details and source

Started:

SMS - LATAM
investigating
We are currently observing delivery issues in Nicaragua - Tigo Incident Start Time: 2026-10-06 17:37 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 New Zealand - OneNZ
minor Observed active window 3h 22m

View incident details and source

Started:

SMS - APAC
investigating
We are currently observing delivery issues New Zealand - OneNZ Incident Start Time: 2026-10-04 11:06 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 - Vivo
minor Observed active window 6h 10m

View incident details and source

Started:

SMS - LATAM
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Brazil - Vivo Incident Start Time: 2026-10-04 04:10 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.
Service Degradation - 10DLC Campaign Provisioning
minor Observed active window 2h 18m

View incident details and source

Started:

Numbers Administration US Campaigns
investigating
We are currently experiencing a service degradation affecting 10DLC campaign provisioning. Impact: Clients may experience intermittent issues, including delays or failures, when provisioning 10DLC campaigns. Incident Start Time: 2026-10-01 14:29 UTC We are actively investigating and will provide further updates as more information becomes available. For any inquiries, please contact us at support@sinch.com.
September 2026
Delivery Issue Guatemala - Tigo
minor Observed active window 3h 12m

View incident details and source

Started:

SMS - LATAM
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing delivery issues in Guatemala - Tigo Incident Start Time: 2026-09-30 20:59 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 Guatemala - Tigo
minor Observed active window 12h 44m

View incident details and source

Started:

SMS - LATAM
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 currently observing delivery issues in Guatemala - Tigo Incident Start Time: 2026-09-29 23:27 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 Qatar - Ooredoo Qatar
minor Observed active window 1h 13m

View incident details and source

Started:

SMS - EMEA
monitoring
We are observing a service restoration and are monitoring traffic performance.
investigating
We are currently observing delivery issues in Qatar - Ooredoo Qatar. Incident Start Time: 2026-09-28 21:43 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.

April 2026
Delivery Issue O2 - UK
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues O2 - UK Incident Start Time: 2026-04-23 11:16 UTC. Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.
Degradation - EU3 Endpoint
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 a performance degradation issues on our EU3 endpoint. To minimize impact, clients are advised to temporarily connect to the designated redundant EU1 endpoint for the duration of this issue. Clients can connect to our EU1 SMSC with the below FQDNs. Alternative Endpoints: eu1.smpp.api.sinch.com eu1.httpsms.api.sinch.com eu1.httplookup.api.sinch.com Our teams are actively investigating and working to resolve the issue as quickly as possible. If you have any ...
Conversation API SMS Channel - US region outage
major 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 issues with Conversation API SMS channel in the US region. Incident Start Time: 2026-04-22 13:20 UTC Impact: SMS requests routed via the conversation API in the US region might be rejected or throttled.
Chatlayer - US region outage
critical Source not attested
Last archived state: resolved
View archived record details
monitoring
Services are now restored and we continue doing sanity checks to make sure everything is working as expected. Incident Restoration Time: 2025-04-22 19:10 UTC
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently experiencing issues with Chatlayer in the US region. Incident Start Time: 2026-04-22 13:49 UTC Impact: Channels, Bot Engine and the Web User Interface in the US region.
Delivery Issue Sweden - Telia
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 observing delivery issues Sweden - Telia Incident Start Time: 2026-04-22 07:59 UTC. Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.
Potential latencies on SMS Delivery Stats
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
Due to high traffic, the display and downloading and of statistics may experience temporary delays. Thank you for your understanding.
Delivery Issue Sweden - Telia
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Sweden - Telia Incident Start Time: 2026-04-21 15:00 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.
Customer Support - Ticketing System
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently experiencing an issue with our ticketing system related to the following emails: support@sinch.com Impact: Customers may experience delayed responses from support. As an alternative in the meantime, please raise all tickets via our ticketing portal at support.sinch.com.
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR || MNOC-63913
Source not attested
Last archived state: resolved
View archived record details
investigating
Ticket Number :: MNOC-63913 Services:: DI SMS 365 (iSMS) Description :: Our internal monitoring systems have detected an issue that may be causing delays in the delivery of MO (Mobile Originated), MT (Mobile Terminated), and DLR (Delivery Report) traffic. We are currently investigating it with the highest priority. Our technical teams are actively working to identify the root cause and implement a resolution as quickly as possible. We will continue to provide updates as more information b...
WhatsApps sending through API
major Source not attested
Last archived state: resolved
View archived record details
identified
We are continuing to work ona fix to this issue, it'll be deployed this afternoon.
identified
The issue has been identified and a fix is being implemented.
investigating
WhatsApps sendings through web application is working.
investigating
Sending WhatsApps messages through API is not working since we do not provide requirement fields to identify WhatsApps Template.