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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14.9%of 47 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 24Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
We are currently observing delivery issues in Romania.
Incident Start Time: 2026-09-07 14:17 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 - 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.
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
minorSource 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
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 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
majorSource 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
criticalSource 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
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 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
minorSource 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
minorSource 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
minorSource 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
majorSource 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.
