Looking for an update now? Check the current status, or follow Sinch for future changes.
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.
April 2026
Delivery Issue United States - AT&T
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 United States - AT&T
Incident Start Time: 2026-04-18 01:25 UTC
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Delivery Issue Cuba - Cubacel
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 continuing to investigate this issue.
investigating
We are currently observing delivery issues in Cuba - Cubacel
Incident Start Time: 2026-04-18 00:23 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 Disruption - Sinch Engage - Social Campaigns Creation Failure
minorSource 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 investigating an issue affecting Sinch Engage Social Campaigns where users may be unable to create new campaigns from the Social Messaging - All Campaigns section.
Impact: Clicking the Create button may result in no action, and campaign creation is currently impacted.
We will provide further updates as more information becomes available.
Delivery Issue Angola - Africell
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Angola - Africell
Incident Start Time: 2026-04-17 08:12 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Site US7 - Network Disturbance
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We are continuing to monitor for any further issues.
monitoring
We are continuing to monitor for any further issues.
monitoring
A fix has been implemented and we are monitoring the results.
investigating
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 up...
Service Disruption - Sinch Engage Legacy
minorSource not attested
Last archived state: resolved
View archived record details
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue with creating message templates in Sinch Engage Legacy.
Incident Start Time: 2026-04-15 12:10 UTC
Impact: Clients may experience errors when attempting to create new message templates via the “Create a template” option. This issue is affecting multiple accounts and preventing template creation.
We will provide further updates as more information becomes available.
Delivery Issue Costa Rica - Telefonica Costa Rica
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 Costa Rica - Telefonica Costa Rica
Incident Start Time: 2026-04-12 01:55 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 Colombia - Tigo
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Colombia - Tigo
Incident Start Time: 2026-04-11 18:07 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 Brazil - Algar Telecom
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 towards Brazil - Algar Telecom
Incident Start Time: 2026-04-10 04:00 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR | TT#MNOC-63843
Source not attested
Last archived state: resolved
View archived record details
investigating
Ticket Number :: MNOC-63843
Services:: DI SMS 365 (iSMS)
Description ::
Our internal monitoring has alerted to an incident. Few of our customers connected to iSMS platform may observe potential delay in delivery of messages.
Impact ::
Mobile Terminating (MT) Traffic: Potential Delay in delivery
Mobile Originated (MO) Traffic: Potential Delay in delivery
DR Notification : Potential Delay in delivery
Report Manager Access : Not Impacted
Report Manager Statistics : Not Impacted
Incident St...
