Update - We are continuing to investigate this issue.
Mar 24, 2026 - 18:07 UTC
Investigating - Dear client,

We are currently experiencing a service disruption impacting parts of the Sinch Engage platform in the EMEA region, specifically affecting integrations with Salesforce, HubSpot, and Zoho CRM.

Impact: Some customers may experience issues sending SMS via these integrations
Our teams are actively investigating and working to restore full service as quickly as possible.

Incident Start Time: 2026-03-24 13:01 UTC

Our teams are actively investigating and working to restore full service as quickly as possible.

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.

Mar 24, 2026 - 16:51 UTC
Investigating - Dear Client,

We are currently investigating an issue affecting message delivery for US Test Short Code 10907. If you are experiencing impact, please be assured that our team is actively working to resolve the issue and restore normal service as quickly as possible.

Incident Start Time: 2026-03-23 23:29 UTC
Impact: Failed MT and MO messages associated with Short Code 10907

We will provide updates as additional information becomes available.
If you have any questions, please contact our support team at support@sinch.com

Sincerely,
Sinch Support Team

Mar 24, 2026 - 17:01 UTC
External Connectivity Degraded Performance
SMS - APAC Operational
SMS - EMEA Operational
SMS - LATAM Operational
SMS - CA - ShortCode Operational
SMS - CA - Toll Free Operational
SMS - US - ShortCode Degraded Performance
SMS - US - Toll Free Operational
SMS - US - 10DLC Operational
MMS - US Operational
MMS - US - Toll Free Operational
MMS - US - 10DLC Operational
MMS - AU Operational
MMS - APAC Operational
Voice Operational
Data Calling Operational
Phone Calling (PSTN) Operational
Video Calling Operational
SIP Trunk Operational
Conversation API Operational
Core Operational
WhatsApp Operational
SMS Operational
RCS Operational
MMS Operational
Messenger Operational
Instagram Operational
Viber Bot Operational
Viber Messaging Operational
Telegram Operational
Kakaotalk Operational
Line Operational
WeChat Operational
Apple Messages Operational
Omnichannel Connector Operational
Batch API Operational
Sinch Push Operational
Sinch Chat Operational
Template Management API Operational
Smart Conversations Operational
Verification Operational
Flash Call Verification Operational
SMS Verification Operational
Verification Text to Speech Operational
Messaging APIs Operational
SMPP - US Operational
SMPP - EU Operational
SMPP - AU Operational
SMPP - CA Operational
SMPP - BR Operational
HTTP - US Operational
HTTP - EU Operational
HTTP - AU Operational
HTTP - CA Operational
HTTP - BR Operational
REST - US Operational
REST - EU Operational
REST - AU Operational
REST - CA Operational
REST - BR Operational
MMS - US Operational
MMS - AU Operational
MMS - CA Operational
RCS - US Operational
RCS - EU Operational
SPAN - US Operational
SMS Template Management API - US Operational
US Disconnect File Service - US Operational
🔗 EXTERNAL - Campaign Registry status - US Operational
sFTP2SMS - BR Operational
SMS Template Management API - EU Operational
Provisioning API Operational
Provisioning API Core Operational
WhatsApp Provisioning API Operational
Webhook Provisioning API Operational
Bundles Provisioning API Operational
KakaoTalk Provisioning API Operational
RCS Provisioning API Operational
Sinch DI Services Operational
MM4 (MMS 365) Operational
MM7 (MMS 365) Operational
Message Manager Operational
E-mail 365 Operational
SMS 365 Operator RoW Operational
SMS 365 Operator US Operational
International SMS 365 Operational
Lookup API Endpoints Operational
ENUM AU Operational
HTTP AU Operational
ENUM EU Operational
HTTP EU Operational
ENUM US Operational
HTTP US Operational
ENUM CA Operational
HTTP CA Operational
HTTP BR Operational
Contact Pro Operational
Contact Pro - AF (South Africa) Operational
Contact Pro - AU (Australia) Operational
Contact Pro - EU (Europe) Operational
Contact Pro - NA (North America) Operational
Migrated APIs Operational
Redhot XML (mBlox) Operational
E3 (Dialogue) Operational
SMS (Legacy Sinch) Operational
HTTP API (TWW) Operational
Numbers API Operational
Dashboard.sinch.com Operational
Payment Operational
SMS Administration Operational
Numbers Administration Operational
Analytics Operational
Customer Support Operational
2FA Operational
US Campaigns Operational
Login/Sign up Operational
Campaigns Operational
Campaigns (France 🇫🇷) Operational
Campaigns API (France 🇫🇷) Operational
sFTP Connectors (France 🇫🇷) Operational
Campaigns (Europe 🇪🇺) Operational
Campaigns API (Europe 🇪🇺) Operational
sFTP Connectors (Europe 🇪🇺) Operational
Campaigns (North America 🇺🇸 / 🇨🇦) Operational
Campaigns API (North America 🇺🇸 / 🇨🇦) Operational
sFTP Connectors (North America 🇺🇸 / 🇨🇦) Operational
Elastic SIP Trunking Operational
API Operational
Inbound Calling Operational
Outbound Calling Operational
International Calling Operational
9-1-1 / Emergency Services Operational
User Interface Operational
Fax API Operational
API Operational
Inbound Faxing Operational
Outbound Faxing Operational
Notifications Operational
Fax to Email Operational
User Interface Operational
Sinch Engage Operational
The Hub Operational
Rest API Operational
Webhooks Operational
SMPP Operational
Sinch Engage (Legacy) Operational
Sinch Engage Integrations Degraded Performance
Shopify Operational
Hubspot Degraded Performance
Netsuite Operational
Zoho CRM Degraded Performance
Big Commerce Operational
Salesforce Degraded Performance
Active Campaign Operational
Microsoft Dynamics Operational
Number Lookup API v2 Operational
API Operational
User Interface Operational
Chatlayer Operational
Chatlayer Bot Engine - US Operational
Chatlayer Voice Engine - US Operational
Chatlayer App Integrations - US Operational
Chatlayer Bot Engine - EMEA Operational
Chatlayer Voice Engine - EMEA Operational
Chatlayer App Integrations - EMEA Operational
Chatlayer Bot Engine - South America Operational
Chatlayer Voice Engine - South America Operational
Chatlayer App Integrations - South America Operational
Chatlayer Bot Engine - India Operational
Chatlayer App Integrations - India Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Sinch Maintenance - Conversation API Mar 25, 2026 08:00-10:00 UTC

We will be performing a planned maintenance on our Conversation API platform to strengthen our infrastructure. This will change the IPs associated with the Base URL of our regional endpoints.

Type: Planned Maintenance
Start Time: 2026-03-25 08:00 UTC
End Time: 2026-03-25 10:00 UTC

For EU1 environment and "eu.conversation.api.sinch.com" FQDN IPs will change
from OLD:
- 34.246.12.78
- 52.18.1.217
- 52.50.172.104
to NEW:
- 34.247.10.251
- 34.243.80.241
- 63.33.21.26

For BR1 environment and "br.conversation.api.sinch.com " FQDN IPs will change
from OLD:
- 177.71.243.105
- 18.228.234.250
- 18.229.82.177
to NEW:
- 18.229.217.42
- 18.230.233.81
- 54.94.159.24

For US1 environment and "us.conversation.api.sinch.com " FQDN IPs will change
from OLD:
- 44.196.133.251
- 52.201.9.233
- 54.243.120.247
to NEW:
- 52.22.60.183
- 52.71.26.226
- 44.221.23.197

IMPORTANT!
If you have implemented IP whitelisting (allowlisting) rules on your network or firewalls that restrict outbound traffic to specific Sinch IP addresses, you must update your firewall rules and/or connection configuration to include the new IP addresses before the above mentioned window.

If you have any questions please do not hesitate to reach out to support@sinch.com

Posted on Mar 05, 2026 - 16:06 UTC

Sinch Maintenance - Token Service (auth.sinch.com) Mar 26, 2026 09:00-10:30 UTC

We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on our Token Service (auth.sinch.com) at the times specified below.

Type: Planned Maintenance
Start Time: 2026-03-26 09:00 UTC
End Time: 2026-03-26 10:30 UTC

Impact: Customers may experience 2 periods of ~2-3 minutes of intermittent HTTP 500 responses when attempting to generate new tokens during this maintenance, already existing tokens will not be impacted.

For any questions please reach out to support@sinch.com

Posted on Mar 12, 2026 - 15:33 UTC

Planned Maintenance - MMS Mar 30, 2026 08:00-10:00 UTC

We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on our MMS platform at the times specified below.

Type: Maintenance - MMS
Start Time: 2026-03-30 08:00 UTC
End Time: 2026-03-30 10:00 UTC

Impact MMS: MMS US, MMS AU, MMS CA.
Messages will be queued and are processed post upgrade. We expect intermittent delays during the maintenance window.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly.

Please contact support@sinch.com should you require further information or assistance.

Posted on Mar 12, 2026 - 16:36 UTC

External Maintenance - Ireland - 3 Mar 30, 2026 21:00 - Mar 31, 2026 06:00 UTC

3 - Ireland has scheduled a maintenance.
Impact: Clients may experience delayed or failed MT/MO traffic towards 3 Ireland.

Maintenance start time: 2026-03-30 21:00 UTC
Maintenance end time: 2026-03-31 06:00 UTC

Posted on Mar 20, 2026 - 18:35 UTC

Singapore Regulatory Compliance Maintenance - A2P SMS APIs - TLS 1.3 Requirement Apr 1, 2026 00:00-01:00 UTC

Update - The Infocomm Media Development Authority (IMDA) of Singapore has mandated the use of TLS (Transport Layer Security) 1.3 for all API connections handling A2P SMS traffic, effective April 1, 2026.

To ensure compliance and prevent any possible service disruption, all customers sending SMS traffic to Singapore must update their systems to support TLS 1.3 before this deadline.

Sinch Platform Readiness:
Our commitment is to provide a secure and resilient infrastructure.
We have already enabled full TLS 1.3 support across our global A2P SMSC infrastructure.
The final site, EU3 (IP 93.158.78.4) is now fully complaint to TLS 1.3 since March 17th, 2026.

Required Customer Action:
Verify Your Configuration: We strongly urge you to begin transitioning your systems to use TLS 1.3 for connections to Sinch immediately.

Compliance Deadline:
In accordance with IMDA requirements, connections using TLS 1.2 for traffic to Singapore should not be supported after April 1, 2026. To avoid any possible interruption of service to Singapore, you must complete your transition before this date.

Our team is ready to help ensure your transition is smooth and seamless.
Please do not hesitate to contact our customer support or account manager if you have any questions or require assistance.

Mar 18, 2026 - 08:49 UTC
Scheduled - The Infocomm Media Development Authority (IMDA) of Singapore has mandated the use of TLS (Transport Layer Security) 1.3 for all API connections handling A2P SMS traffic, effective April 1, 2026.

To ensure compliance and prevent any possible service disruption, all customers sending SMS traffic to Singapore must update their systems to support TLS 1.3 before this deadline.

Sinch Platform Readiness:
Our commitment is to provide a secure and resilient infrastructure.
We have already enabled full TLS 1.3 support across our global A2P SMSC infrastructure. The final site, EU3 (IP 93.158.78.4), will be fully compliant to TLS 1.3 by end of February 2026, well ahead of the deadline.

Required Customer Action:
Verify Your Configuration: We strongly urge you to begin transitioning your systems to use TLS 1.3 for connections to Sinch immediately.

Compliance Deadline:
In accordance with IMDA requirements, connections using TLS 1.2 for traffic to Singapore should not be supported after April 1, 2026. To avoid any possible interruption of service to Singapore, you must complete your transition before this date.

Our team is ready to help ensure your transition is smooth and seamless.
Please do not hesitate to contact our customer support or account manager if you have any questions or require assistance.

Nov 04, 2025 - 12:48 UTC

Sinch Internal Maintenance - MMS Apr 2, 2026 08:00-11:00 UTC

We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on MMS platform at the times specified below.

Type: Maintenance - MMS
Start Time: 2026-04-02 08:00 UTC
End Time: 2026-04-02 11:00 UTC

Impact MMS: MMS US, MMS AU, MMS CA. Messages will be Queued and will be processed post upgrade. We expect intermittent delays during the maintenance window.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly.

Please contact support@sinch.com should you require further information or assistance.

Posted on Mar 19, 2026 - 15:48 UTC

External Maintenance - United States - Verizon Apr 3, 2026 08:00-14:00 UTC

United States - Verizon has scheduled a maintenance.
Impact: SMS Long Code, SMS Short Code & SMS Toll-Free.

Maintenance start time: 2026-04-03 08:00 UTC
Maintenance end time: 2026-04-03 14:00 UTC

Posted on Mar 18, 2026 - 13:26 UTC

Sinch Internal Maintenance - SSL Certificate Update Apr 7, 2026 01:00-03:00 UTC

Dear Client,

Sinch will be performing a scheduled maintenance to renew the SSL certificate for the callback.sinch.com Certificate

Type: Scheduled Maintenance
Maintenance: SSL Certificate Updates
Start Time: 01:00 UTC
End Time: 03:00 UTC
Impact: Customers using callback.sinch.com for mTLS

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.

Download the certificate files here for callback.sinch.com
https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgDu5APEHt5UTJw8PjBgpvvXAcJ6hJaffaMmPjlvvKOJrzk

Please contact support@sinch.com should you require further information or assistance.

Sincerely,
Sinch

Posted on Feb 18, 2026 - 20:27 UTC

Sinch Maintenance - US 10DLC Apr 7, 2026 10:00-11:00 UTC

Dear Client,

Sinch will be performing a scheduled maintenance on our 10DLC Product at the times specified below.

As part of this update, clients may see a delays or failures during delivery from 10DLC Numbers sending to US Devices.

Start Time: 2026-04-07 10:00 UTC
End Time: 2026-04-07 11:00 UTC

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.

Posted on Mar 19, 2026 - 15:43 UTC

Sinch Maintenance - Singapore MO migration Apr 7, 2026 14:00-14:30 UTC

Dear Client,

We are reaching out to inform you that we will perform a planned maintenance on our MO back-end, as part of our continuous efforts to create better resilience and future proof our systems.

Start Time: 2026-04-07 14:00
End Time: 2026-04-07 14:30

Impact: Clients may experience slight delays up to 5 minutes for MOs from Singapore numbers

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact support@sinch.com should you require further information or assistance.

Posted on Mar 23, 2026 - 14:31 UTC

External Maintenance - SMS and MMS Apr 13, 2026 04:00-10:00 UTC

An external supplier has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada

Impact MMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States

Maintenance Start Time: 2026-04-13 04:00 UTC
Maintenance End Time: 2026-04-13 10:00 UTC

Posted on Mar 23, 2026 - 21:07 UTC
Mar 24, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-24 12:11 UTC
Incident End Time: 2026-03-24 13:20 UTC

Mar 24, 14:04 UTC
Investigating - We are currently observing delivery issues in Philippines - Globe Telecom

Incident Start Time: 2026-03-24 12:11 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.

Mar 24, 12:29 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-24 09:05 UTC
Incident End Time: 2026-03-24 09:28 UTC

Mar 24, 10:10 UTC
Monitoring - We can observe that performance is restored.

Incident Restoration Time: 2026-03-24 09:28 UTC

We will continue to monitor for any further disturbances.

Mar 24, 09:32 UTC
Investigating - We are currently observing delivery issues in US & CA - Minor networks.

Incident Start Time: 2026-03-24 09:05 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.

Mar 24, 09:18 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-24 06:13 UTC
Incident End Time: 2026-03-24 07:43 UTC

Mar 24, 09:35 UTC
Monitoring - We can observe that performance is restored.

Incident Restoration Time: 2026-03-24 07:43 UTC

We will continue to monitor for any further disturbances.

Mar 24, 08:10 UTC
Investigating - We are currently observing delivery issues in Canada - Sasktel

Incident Start Time: 2026-03-24 06:13 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.

Mar 24, 06:42 UTC
Completed - The scheduled maintenance has been completed.
Mar 24, 06:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 23, 22:00 UTC
Scheduled - 3 - Ireland has scheduled a maintenance.
Impact: Clients may experience delayed or failed MT/MO traffic towards 3 Ireland.

Maintenance start time: 2026-03-23 22.00 UTC
Maintenance end time: 2026-03-24 06.00 UTC

Mar 11, 12:58 UTC
Completed - The scheduled maintenance has been completed.
Mar 24, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 24, 02:00 UTC
Scheduled - Dear Client,

We are reaching out to inform you that as part of our continuous efforts to improve the performance and reliability of our services, we will be performing maintenance at our EU4 site on the schedule below.

Type: Network Maintenance

Start Time: March 24th, 2026 02:00 UTC
End Time: March 24th, 2026 05:00 UTC

Affected Site: EU4
Impact: Clients may experience delays for MT and MO to and from the following operators for up to 15 minutes during the maintenance window.

Orange France
Eir Ireland
Plus Poland

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact support@sinch.com should you require further information or assistance.

Mar 9, 15:38 UTC
Mar 23, 2026
Completed - The scheduled maintenance has been completed.
Mar 23, 11:10 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 23, 10:40 UTC
Scheduled - This release prevent creating MMS, WhatsApp and RCS campaigns on external channel.
Mar 23, 10:31 UTC
Completed - The scheduled maintenance has been completed.
Mar 23, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 23, 03:00 UTC
Scheduled - T-Mobile - US has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-03-23 03:00 UTC
Maintenance end time: 2026-03-23 11:00 UTC

Mar 20, 02:46 UTC
Mar 22, 2026

No incidents reported.

Mar 21, 2026

No incidents reported.

Mar 20, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-19 06:35 UTC
Incident End Time: 2026-03-20 02:00 UTC

Mar 20, 03:17 UTC
Update - We are continuing to investigate this issue.
Mar 19, 23:00 UTC
Update - We are continuing to investigate this issue.
Mar 19, 19:11 UTC
Investigating - We are currently observing delivery issues in Colombia - Telefonica

Incident Start Time: 2026-03-19 06:35 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.

Mar 19, 17:01 UTC
Mar 19, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-18 16:30 UTC
Incident End Time: 2026-03-19 12:40 UTC

Mar 19, 13:27 UTC
Update - We are continuing to monitor for any further issues.
Mar 19, 05:07 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 19, 02:46 UTC
Investigating - Dear Client,

We are currently experiencing a performance degradation on our US7 site.

To minimize impact, clients are advised to temporarily connect to the designated redundant site US1 for the duration of this issue.

Affected Site: US7

Recommended Redundant Site: US1

Alternative Endpoints:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com

Our teams are actively investigating and working to resolve the issue as quickly as possible. If you have any questions, please contact support@sinch.com.

Mar 18, 21:52 UTC
Completed - The scheduled maintenance has been completed.
Mar 19, 11:31 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 19, 11:01 UTC
Scheduled - Improve data cleaning
Mar 19, 10:54 UTC
Completed - The scheduled maintenance has been completed.
Mar 19, 09:15 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 19, 09:00 UTC
Scheduled - We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on MMS platform at the times specified below. 

Type: Maintenance - MMS 
Start Time: 2026-03-19 09:00 UTC 
End Time: 2026-03-19 09:15 UTC

Impact MMS: MMS US, MMS AU, MMS CA. Messages will be Queued and will be processed post upgrade. We expect intermittent delays during the maintenance window.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly.

Please contact support@sinch.com should you require further information or assistance.

Mar 5, 15:47 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-19 05:00 UTC
Incident End Time: 2026-03-19 07:13 UTC

Mar 19, 08:34 UTC
Investigating - We are currently observing delivery issues in France - Bouygues Telecom.

Incident Start Time: 2026-03-19 05:00 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 19, 07:03 UTC
Mar 18, 2026
Completed - The scheduled maintenance has been completed.
Mar 18, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 17, 21:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Mar 10, 13:10 UTC
Scheduled - United Kingdom 3 UK has scheduled a maintenance.
Impact: Clients may experience delayed or failed MT/MO traffic towards the United Kingdom 3 UK.

Maintenance start time: 2026-03-17 21.00 UTC
Maintenance end time: 2026-03-18 05.00 UTC

Mar 18, 13:09 UTC
Mar 17, 2026
Completed - The scheduled maintenance has been completed.
Mar 17, 10:31 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 17, 10:01 UTC
Scheduled - Adding new features for marketing campaigns schedule.
Mar 17, 09:14 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-17 08:17 UTC
Incident End Time: 2026-03-17 09:06 UTC

Mar 17, 09:44 UTC
Investigating - We are currently observing delivery issues in USA - Minor Networks.

Incident Start Time: 2026-03-17 08:17 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 17, 08:35 UTC
Completed - The scheduled maintenance has been completed.
Mar 17, 03:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 16, 21:00 UTC
Scheduled - We will perform an emergency network maintenance on our EU3 Site during the below window.

Type: Emergency Maintenance
Start Time: 2026-03-16 21:00
End Time: 2026-03-17 03:00

Impact: Customers may experience multiple brief connectivity issues but will be able to reconnect immediately towards the impacted endpoints listed below.

Impacted endpoints:
eu3.smpp.api.sinch.com
eu3.httpsms.api.sinch.com
eu3.httplookup.api.sinch.com

To avoid connectivity issues we recommend connecting to the below endpoints during the duration of this maintenance.

Available endpoints:
eu1.smpp.api.sinch.com
eu1.httpsms.api.sinch.com
eu1.httplookup.api.sinch.com

We appreciate your patience and apologize for any inconvenience cause during this period.

Please contact support@sinch.com if you have any questions or concerns

Mar 10, 13:01 UTC
Mar 16, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-16 04:00 UTC
Incident End Time: 2026-03-16 18:47 UTC

Mar 16, 21:54 UTC
Update - We are continuing to investigate this issue.
Mar 16, 14:42 UTC
Update - We are continuing to investigate this issue.
Mar 16, 10:01 UTC
Update - We are continuing to investigate this issue.
Mar 16, 07:00 UTC
Investigating - We are currently observing delivery issues in Brazil - Algar Telecom.

Incident Start Time: 2026-03-16 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.

Mar 16, 05:39 UTC
Resolved - Dear All,

This incident has been resolved.
We have monitored the results and we confirm that the messages are getting processed without any delay.

Incident Start Date & Time (GMT) : 07th Mar 2026, 18:56 hrs
Incident End Date & Time (GMT) : 11th Mar 2026, 1:06 hrs

We appreciate your patience and understanding.

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.

Mar 16, 21:51 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 8, 01:07 UTC
Update - We are still continuing to investigate this issue. We will provide update as more information becomes available.
Mar 7, 22:32 UTC
Update - We are continuing to investigate this issue.
Mar 7, 20:20 UTC
Update - 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 becomes available.
Mar 7, 20:09 UTC
Investigating - Ticket Number :: MNOC-63424
Services:: DI MMS 365 - SMSx

Description :: Monitoring NOC is observing potential delay in delivery of messages. 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 DR
Notification : Potential delay in delivery

Incident Start Date & Time (GMT) : 07th Mar 2026, 18:56 hrs

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.

Mar 7, 19:14 UTC
Completed - The scheduled maintenance has been completed.
Mar 16, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 16, 03:00 UTC
Scheduled - T-Mobile United States has scheduled a maintenance.

Impact SMS & MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-03-16 03:00 UTC
Maintenance end time: 2026-03-16 11:00 UTC

Mar 12, 19:12 UTC
Completed - The scheduled maintenance has been completed.
Mar 16, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 16, 06:00 UTC
Scheduled - Services :: DI MMS 365 (MM7)
PCR Number:: PCRSDI-12124

Start Date and Time (GMT) :: Mar 16, 2026, 6:00 AM
End Date and Time (GMT) :: Mar 16, 2026, 10:00 AM

Impact
Mobile Terminating (MT) Traffic: Potential latency
Mobile Originated (MO) Traffic: Potential latency
DR Notification: Potential latency

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal applications and database.

If you experience any issues during this maintenance , please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect and then option 1) and reference this notification.

Mar 12, 22:41 UTC
Mar 15, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-15 14:17 UTC
Incident End Time: 2026-03-15 15:45 UTC

Mar 15, 15:48 UTC
Investigating - We are currently observing delivery issues in Netherlands - Odido.

Incident Start Time: 2026-03-15 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.

Mar 15, 15:04 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-15 08:00 UTC
Incident End Time: 2026-03-15 13:46 UTC

Mar 15, 14:54 UTC
Monitoring - A fix has been implemented and we are monitoring the results.

Restoration Time: 2026-03-15 13:00 UTC

Mar 15, 13:09 UTC
Update - We are continuing to investigate this issue.
Mar 15, 12:33 UTC
Investigating - We are currently experiencing a service disruption where old messages are regenerated without end user interaction.
We are actively working on resolving this issue and further updates will be provided as soon as we have more information to share.

Incident Start Time: 2026-03-15 8:00 UTC
Impact: Old conversations appearing as new in the History panel

Mar 15, 12:25 UTC
Completed - The scheduled maintenance has been completed.
Mar 15, 04:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 15, 02:00 UTC
Scheduled - Services :: DI E-Mail 365
PCR Number :: PCRSDI-12129

Start Date and Time (GMT):: 15th Mar 2026 02:00 UTC.
End Date and Time (GMT):: 15th Mar 2026 04:00 UTC.

Description:
Email365 – crowdstrike sensor updates for multiple email modules .
This update is to upgrade crowdstrike sensors on host servers .
Zero/No impact on traffic .

Impact:
No impact .

If you experience any issues during this maintenance , please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select 'support' from the menu, option 2 for Digital Interconnect and then option 1) and reference this notification.

Mar 3, 16:47 UTC
Mar 14, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-13 19:16 UTC
Incident Start End: 2026-03-13 22:12 UTC

Mar 14, 00:24 UTC
Update - We are continuing to investigate this issue.
Mar 13, 21:33 UTC
Investigating - We are currently observing delivery issues in Philippines - Globe Telecom.

Incident Start Time: 2026-03-13 19:16 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 13, 20:02 UTC
Mar 13, 2026
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-13 10:50 UTC
Incident End Time: 2026-03-13 14:00 UTC

Mar 13, 14:08 UTC
Investigating - We are currently facing a service degradation on the customer dashboard, Dashboard.sinch.com.

Impact: Customer may experience missing recent data when performing searches with the Message Search tool on dashboard.sinch.com

Our engineering team is working to restore full functionality as soon as possible.

Incident Start Time: 2026-03-13 10:50 UTC

For any inquiries, please contact support@sinch.com.

Mar 13, 12:30 UTC
Completed - The scheduled maintenance has been completed.
Mar 13, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 13, 04:00 UTC
Scheduled - An external supplier has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada

Impact MMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States

Maintenance Start Time: 2026-03-13 04:00 UTC
Maintenance End Time: 2026-03-13 10:00 UTC

Mar 3, 11:59 UTC
Mar 12, 2026
Resolved - Dear Client,

We are retroactively writing to inform you of an incident affecting number purchases on our customer dashboard, Dashboard.sinch.com.

Incident Start Time: 2026-03-12 13:47 UTC
Incident Start Time: 2026-03-12 16:56 UTC

The functionality has been restored and there should be no further issues.

We appreciate your patience and apologize for any inconveniences during this time.

Mar 12, 17:40 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-10 15:19 UTC
Incident End Time: 2026-03-12 14:15 UTC

Mar 12, 16:41 UTC
Investigating - We are currently observing delivery issues in Isle of Man - Manx Telecom.

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 12, 12:17 UTC
Resolved - Dear Client,

We are writing to retroactively inform you of an incident affecting Sinch Engage messaging and social channel functionality across the APAC and EU regions.

Incident Start Time: 2026-03-12 14:55 UTC
Incident End Time: 2026-03-12 16:00 UTC

Clients using the service on the affected regions may have experienced:
- Slow loading of the Social Channels page
- WhatsApp senders not appearing in the sender configuration
- Delays or intermittent issues with messaging services

Functionality has been restored and no further issues should be observed.

We appreciate your patience and apologize for any inconveniences experienced as a result of this issue.

Mar 12, 16:32 UTC
Completed - The scheduled maintenance has been completed.
Mar 12, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 12, 15:00 UTC
Scheduled - Dear Client,

Sinch will be performing a scheduled maintenance on our 10DLC Product at the times specified below.

As part of this update, clients may see a brief delay during delivery for 10DLC Numbers sending to AT&T US Devices.

Start Time: 2026-03-12 15:00 UTC
End Time: 2026-03-12 16:00 UTC

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.

Feb 26, 16:55 UTC
Resolved - Dear Clients,

We are pleased to inform you that the issue with the SMSx platform has been resolved.
We have monitored the results and we confirm that the messages are getting processed without any delay.

Incident Start Date & Time (GMT) : 12th Mar 2026, 12:22 hrs
Incident End Date & Time (GMT) : 12th Mar 2026, 13:28 hrs

We appreciate your patience and understanding.

Mar 12, 14:30 UTC
Monitoring - Dear Clients,

We are writing to inform you that queues have been cleared and traffic is back to normal.

We will continue to monitor and update on further improvements.

Mar 12, 13:55 UTC
Investigating - Ticket Number :: MNOC-63473
Services:: DI SMS 365 - SMSx

Description :: Monitoring NOC is observing potential delay in delivery of messages. 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 DR
Notification : Potential delay in delivery

Incident Start Date & Time (GMT) : 12th Mar 2026, 12:22 hrs

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.

Mar 12, 13:10 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-12 10:50 UTC

Incident End Time: 2026-03-12 12:50 UTC

Mar 12, 13:21 UTC
Investigating - We are currently observing delivery issues in Italy - Plintron.

Incident Start Time: 2026-03-12 10:50 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 12, 11:25 UTC
Completed - The scheduled maintenance has been completed.
Mar 12, 09:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 12, 08:00 UTC
Scheduled - Keep your clients in the conversation flow using RCS's webview! Set half, tall, or fullscreen for the best experience
Mar 11, 16:35 UTC
Mar 11, 2026
Completed - The scheduled maintenance has been completed.
Mar 11, 15:46 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 11, 15:16 UTC
Scheduled - Improve operational processes. For account deletion.
Mar 11, 15:03 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-11 04:57 UTC
Incident End Time: 2026-03-11 07:05 UTC

Mar 11, 08:11 UTC
Update - We are continuing to investigate this issue.
Mar 11, 06:27 UTC
Investigating - We are currently observing delivery issues in Djibouti - Evatis.

Incident Start Time: 2026-03-11 04:57 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 11, 05:13 UTC
Mar 10, 2026
Completed - The scheduled maintenance has been completed.
Mar 10, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 15:00 UTC
Scheduled - Application maintenance
Mar 10, 14:44 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-10 13:34 UTC
Incident End Time: 2026-03-10 14:34 UTC

Mar 10, 15:24 UTC
Investigating - We are currently observing delivery issues in Germany - O2.

Incident Start Time: 2026-03-10 13:34 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 10, 14:00 UTC
Completed - The scheduled maintenance has been completed.
Mar 10, 14:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 13:01 UTC
Scheduled - Application maintenance
Mar 10, 12:55 UTC
Resolved - This incident has been resolved.
Mar 10, 13:06 UTC
Investigating - We are currently investigating an issue affecting Sinch Contact Pro. Customers may experience service disruption or degraded performance.

Our operations team is actively working to identify the root cause.
Incident Start time: 08:00 UTC

Thank you for your patience.
Sinch Contact Pro Team

Mar 10, 12:02 UTC
Completed - The scheduled maintenance has been completed.
Mar 10, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 06:00 UTC
Scheduled - An external supplier has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada

Maintenance Start Time: 2026-03-10 06:00 UTC
Maintenance End Time: 2026-03-10 13:00 UTC

We appreciate your patience and apologise for any inconvenience experienced during this maintenance period.
If for any reason the maintenance is extended or cancelled, we will advise you accordingly.

Mar 4, 13:07 UTC
Completed - The scheduled maintenance has been completed.
Mar 10, 11:20 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 10:45 UTC
Scheduled - Technical maintenance
Mar 10, 10:20 UTC
Completed - The scheduled maintenance has been completed.
Mar 10, 10:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 05:30 UTC
Scheduled - Services: DI SMS 365 (iSMS)
PCR Number: PCRSDI-12128

Start Date and Time (GMT) :: Mar 10, 2026, 5:30 Hrs
End Date and Time (GMT) :: Mar 10, 2026, 10:30 Hrs

Impact
Mobile Terminating (MT) Traffic: Potential latency
Mobile Originated (MO) Traffic: Potential latency
DR Notification: Potential latency

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal applications.

If you experience any issues during this maintenance, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect and then option 1) and reference this notification.

Mar 5, 21:27 UTC
Completed - The scheduled maintenance has been completed.
Mar 10, 08:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 10, 06:01 UTC
Scheduled - Services :: DI MMS 365 (MM7)
PCR Number:: PCRSDI-12131

Start Date and Time (GMT) :: Mar 10, 2026, 6:00 Hrs.
End Date and Time (GMT) :: Mar 10, 2026, 8:00 Hrs.

Impact
Mobile Terminating (MT) Traffic: Potential latency
Mobile Originated (MO) Traffic: Potential latency
DR Notification: Potential latency

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal applications.

If you experience any issues during this maintenance, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect and then option 1) and reference this notification.

Mar 5, 21:40 UTC
Resolved - This incident has been resolved.

Incident Start Time: 2026-03-09 20:11 UTC
Incident End Time: 2026-03-10 00:56 UTC

Mar 10, 02:18 UTC
Update - We are continuing to investigate this issue.
Mar 10, 00:02 UTC
Investigating - We are currently observing delivery issues in Evatis - Djibouti.

Incident Start Time: 2026-03-09 20:11 UTC.

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.

Mar 9, 22:37 UTC
Resolved - Please be informed that the traffic has been restored.
Mar 10, 01:14 UTC
Update - We are continuing to investigate this issue.
We will let you know on the update once more information is available.

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.

Mar 9, 22:43 UTC
Investigating - Ticket Number :: MNOC-63436
Services:: DI SMS 365 - iSMS

Description :: Monitoring NOC is observing potential delay in delivery of messages. 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 DR
Notification : Potential delay in delivery

Incident Start Date & Time (GMT) : 09th Mar 2026, 20:22 hrs

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.

Mar 9, 20:50 UTC