Update - We are continuing to investigate this issue.
Mar 28, 2026 - 19:02 UTC
Mar 28, 2026 - 19:02 UTC
Update - We are continuing to investigate this issue.
Mar 27, 2026 - 18:27 UTC
Mar 27, 2026 - 18:27 UTC
Update - We are continuing to investigate this issue.
Mar 26, 2026 - 17:35 UTC
Mar 26, 2026 - 17:35 UTC
Update - We are continuing to investigate this issue.
Mar 25, 2026 - 14:10 UTC
Mar 25, 2026 - 14:10 UTC
Update - We are continuing to investigate this issue.
Mar 25, 2026 - 05:11 UTC
Mar 25, 2026 - 05:11 UTC
Update - We are continuing to investigate this issue.
Mar 25, 2026 - 00:33 UTC
Mar 25, 2026 - 00:33 UTC
Update - We are continuing to investigate this issue.
Mar 24, 2026 - 21:58 UTC
Mar 24, 2026 - 21:58 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 [email protected]
Sincerely,
Sinch Support Team
Mar 24, 2026 - 17:01 UTC
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 [email protected]
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
Operational
Shopify
Operational
Hubspot
Operational
Netsuite
Operational
Zoho CRM
Operational
Big Commerce
Operational
Salesforce
Operational
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
External Maintenance - T-Mobile - United States Mar 30, 2026 03:00-12:00 UTC
T-Mobile United States 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: 2026-03-30 03:00 UTC
Maintenance end time: 2026-03-30 12:00 UTC
Posted on Mar 27, 2026 - 19:46 UTC
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: 2026-03-30 03:00 UTC
Maintenance end time: 2026-03-30 12:00 UTC
Posted on Mar 27, 2026 - 19:46 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 [email protected] should you require further information or assistance.
Posted on Mar 12, 2026 - 16:36 UTC
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 [email protected] 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
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
External Maintenance - T-Mobile - United States Mar 31, 2026 02:00-12:00 UTC
T-Mobile United States 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: 2026-03-31 02:00 UTC
Maintenance end time: 2026-03-31 12:00 UTC
Posted on Mar 27, 2026 - 19:46 UTC
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: 2026-03-31 02:00 UTC
Maintenance end time: 2026-03-31 12:00 UTC
Posted on Mar 27, 2026 - 19:46 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
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
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 [email protected] should you require further information or assistance.
Posted on Mar 19, 2026 - 15:48 UTC
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 [email protected] 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
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 [email protected] should you require further information or assistance.
Sincerely,
Sinch
Posted on Feb 18, 2026 - 20:27 UTC
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 [email protected] 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 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 [email protected] should you require further information or assistance.
Posted on Mar 23, 2026 - 14:31 UTC
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 [email protected] 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
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
Sinch Scheduled Maintenance - UK5 Network Hub Apr 14, 2026 04:00-07:00 UTC
Dear Client,
We will be performing a schedule network maintenance at our UK5 Network hub.
Type: Schedule Network Maintenance
Affected site: UK5 Network hub
Impact: Impact: Clients may experience intermittent delayed/failed MT and MO traffic to and from the following countries.
France
United Kingdom
Germany
Russia
Italy
Netherlands
French’s overseas territory
Ireland
Hong Kong
Start time: 2026-04-14 04:00 UTC
End time: 2026-04-14 07:00 UTC
If for any reason the maintenance period is extended or cancelled we will advise you accordingly.
And of course if you have any concerns please contact [email protected].
Please accept our apologies for the inconvenience.
Best Regards,
The Sinch Team
Posted on Mar 27, 2026 - 13:53 UTC
We will be performing a schedule network maintenance at our UK5 Network hub.
Type: Schedule Network Maintenance
Affected site: UK5 Network hub
Impact: Impact: Clients may experience intermittent delayed/failed MT and MO traffic to and from the following countries.
France
United Kingdom
Germany
Russia
Italy
Netherlands
French’s overseas territory
Ireland
Hong Kong
Start time: 2026-04-14 04:00 UTC
End time: 2026-04-14 07:00 UTC
If for any reason the maintenance period is extended or cancelled we will advise you accordingly.
And of course if you have any concerns please contact [email protected].
Please accept our apologies for the inconvenience.
Best Regards,
The Sinch Team
Posted on Mar 27, 2026 - 13:53 UTC