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15.2%of 46 verified observed days had no reported provider issue
90-Day Trend
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 23Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Service Degradation - Conversation API WhatsApp - BR
A fix has been implemented and we are monitoring the results.
investigating
We are experiencing a service degradation impacting the Conversation API WhatsApp Message Delivery in the BR region.
Impact: Clients may experience no delivery on WhatsApp
Incident Start Time: 2026-09-03 20:00 UTC
We are actively investigating and will provide further updates as more information becomes available.
We are currently experiencing intermittent api request timeouts on the Send fax endpoint. Engineering is engaged and reviewing.
Affected endpoint: fax.api.sinch.com
We appreciate your patience and apologize for any inconvenience.
We are continuing to investigate this issue and will provide further updates as more information becomes available.
investigating
We are writing to inform you that we are experiencing a degradation impacting the bulk messaging service for Engage customers.
Impact: Customers may experience delayed messages via the bulk messaging service.
Incident Start Time: 2026-09-02 09:45 UTC
We are actively investigating and will provide further updates as more information becomes available.
We are currently observing delivery issues in Spain
Incident Start Time: 2026-09-02 08:40 UTC
Impact: Delayed MO's/Missing MO's
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
We are currently observing delivery issues in United Kingdom - Lycamobile
Incident Start Time: 2026-08-28 19:40 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.
We are currently observing delivery issues in Kuwait - Ooredoo
Incident Start Time: 2026-08-28 19:18 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.
We are currently observing delivery issues in Djibouti - Evatis
Incident Start Time: 2026-08-27 20:50 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 - Verification - Okta integration
We are currently observing issues with our Verification services for clients using Okta integrations.
Incident Start Time: 2026-08-27 00:20 UTC
Impact: Clients will experience failed attempts when submitting verification requests via the Okta endpoint.
We sincerely apologize for any inconvenience this may cause and appreciate your understanding while we work to resolve the issue.
For further information or assistance, please contact us at support@sinch.com.
We are currently facing a service degradation on the customer dashboard, Dashboard.sinch.com.
Impact: Analytics is currently degraded in the US region.
Our engineering team is working to restore full functionality as soon as possible.
For any inquiries, 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
minorSource 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
minorSource 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
minorSource 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
minorSource 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
minorSource 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
minorSource 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
criticalSource 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
minorSource 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
minorSource 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
minorSource 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.
