In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 12, 2025 - 01:00 UTC
Oct 12, 2025 - 01:00 UTC
Scheduled - Dear Customer,
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-12 (Sunday) 1 AM UTC
End time: 2025-10-13 (Monday) 7 AM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 12, 2025 01:00 - Oct 13, 2025 07:00 UTC
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-12 (Sunday) 1 AM UTC
End time: 2025-10-13 (Monday) 7 AM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 12, 2025 01:00 - Oct 13, 2025 07:00 UTC
Update - We are continuing to investigate this issue.
Oct 11, 2025 - 21:03 UTC
Oct 11, 2025 - 21:03 UTC
Update - We are continuing to investigate this issue.
Oct 10, 2025 - 20:09 UTC
Oct 10, 2025 - 20:09 UTC
Update - We are continuing to investigate this issue.
Oct 10, 2025 - 15:05 UTC
Oct 10, 2025 - 15:05 UTC
Update - We are continuing to investigate this issue.
Oct 10, 2025 - 11:11 UTC
Oct 10, 2025 - 11:11 UTC
Investigating - We are currently observing issues with our Sinch Deactivation File Service and we are investigating.
Impact: Clients may experience difficulties retrieving files from the service.
Oct 10, 2025 - 08:43 UTC
Impact: Clients may experience difficulties retrieving files from the service.
Oct 10, 2025 - 08:43 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 11, 2025 - 16:01 UTC
Oct 11, 2025 - 16:01 UTC
Scheduled - Dear Customer,
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-11 (Saturday) 4 PM UTC
End time: 2025-10-12 (Sunday) 10 PM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 11, 2025 16:00 - Oct 12, 2025 22:00 UTC
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-11 (Saturday) 4 PM UTC
End time: 2025-10-12 (Sunday) 10 PM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 11, 2025 16:00 - Oct 12, 2025 22:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 11, 2025 - 16:00 UTC
Oct 11, 2025 - 16:00 UTC
Scheduled - Dear Customer,
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-11 (Saturday) 4 PM UTC
End time: 2025-10-12 (Sunday) 10 PM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 11, 2025 16:00 - Oct 12, 2025 22:00 UTC
We will be performing Contact Pro version upgrade as follows.
Start time: 2025-10-11 (Saturday) 4 PM UTC
End time: 2025-10-12 (Sunday) 10 PM UTC
Version upgrade will require max. 30 minutes downtime to to all channels and user interfaces.
This will take place at some point during the maintenace window.
What´s new documentation regarding the upcoming 25Q4 release can be accessed from:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html
For more details or questions related to the maintenance you can contact us via a support ticket:
https://tickets.sinch.com/servicedesk/customer/portal/59
Best Regards,
Sinch Contact Pro team
Oct 11, 2025 16:00 - Oct 12, 2025 22:00 UTC
External Connectivity
Operational
SMS - APAC
?
Operational
SMS - EMEA
?
Operational
SMS - LATAM
?
Operational
SMS - CA - ShortCode
?
Operational
SMS - CA - Toll Free
?
Operational
SMS - US - ShortCode
?
Operational
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
Verification
Operational
Flash Call Verification
Operational
SMS Verification
Operational
Verification Text to Speech
Operational
Messaging APIs
Degraded Performance
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
Degraded Performance
🔗 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
NRS Internal
Operational
NRS External
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
Under Maintenance
Contact Pro - AF (South Africa)
Under Maintenance
Contact Pro - AU (Australia)
Operational
Contact Pro - EU (Europe)
Under Maintenance
Contact Pro - NA (North America)
Under Maintenance
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 (Beta)
?
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 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 (Beta)
Operational
API
?
Operational
User Interface
?
Operational
Chatlayer
Operational
Chatlayer Bot Engine - US
Operational
Chatlayer Voice Engine - US
Operational
Chatlayer Bot Engine - EMEA
Operational
Chatlayer Voice Engine - EMEA
Operational
Chatlayer Bot Engine - South America
Operational
Chatlayer Voice Engine - South America
Operational
Chatlayer Bot Engine - India
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Scheduled Maintenance
External Maintenance - Verizon Wireless - United States Oct 14, 2025 04:00-08:00 UTC
Verizon Wireless - United States has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards Verizon-US
Impact MMS: Clients may experience delayed or failed Short Code MT/MO traffic towards Verizon-US
Maintenance start time: 2025-10-14 04:00 UTC
Maintenance end time: 2025-10-14 08:00 UTC
Posted on Oct 07, 2025 - 01:05 UTC
Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards Verizon-US
Impact MMS: Clients may experience delayed or failed Short Code MT/MO traffic towards Verizon-US
Maintenance start time: 2025-10-14 04:00 UTC
Maintenance end time: 2025-10-14 08:00 UTC
Posted on Oct 07, 2025 - 01:05 UTC
Sinch Scheduled Maintenance - Elastic SIP Trunking - SBC Updates Oct 14, 2025 13:00-14:00 UTC
Sinch Elastic SIP Trunking will be undergoing maintenance to update our SBCs [Session Border Controller] for added SIP capabilities - the scheduled work is not expected to impact services. This is being sent as a courtesy notice in the event that you experience issues with your service during the maintenance window.
We appreciate your patience and apologize for any inconvenience during this maintenance period.
If for any reason the maintenance is extended or cancelled, we will advise you accordingly.
Posted on Oct 06, 2025 - 01:21 UTC
We appreciate your patience and apologize for any inconvenience during this maintenance period.
If for any reason the maintenance is extended or cancelled, we will advise you accordingly.
Posted on Oct 06, 2025 - 01:21 UTC
External Maintenance - Verizon Wireless - United States Oct 15, 2025 04:00-09:00 UTC
Verizon Wireless - United States has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards Verizon-US
Impact MMS: Clients may experience delayed or failed Short Code MT/MO traffic towards Verizon-US
Maintenance start time: 2025-10-15 04:00 UTC
Maintenance end time: 2025-10-15 08:00 UTC
Posted on Oct 06, 2025 - 22:32 UTC
Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards Verizon-US
Impact MMS: Clients may experience delayed or failed Short Code MT/MO traffic towards Verizon-US
Maintenance start time: 2025-10-15 04:00 UTC
Maintenance end time: 2025-10-15 08:00 UTC
Posted on Oct 06, 2025 - 22:32 UTC
Sinch Emergency Maintenance - US7 Site Oct 16, 2025 02:00-05:00 UTC
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 network maintenance at our US7 site on the schedule below.
Type: Network Maintenance
Start Time: 2025-10-16 02:00 UTC
End Time: 2025-10-16 05:00 UTC
Affected Site: US7
Impact: Delivery of DRs may be delayed up to 15 minutes during the maintenance window.
Customers may also experience brief connectivity issues towards the impacted endpoints listed below:
us7.smpp.api.sinch.com
us7.httpsms.api.sinch.com
us7.httplookup.api.sinch.com
During the period we recommend that you connect to our secondary site US1:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com'
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 Oct 10, 2025 - 16:09 UTC
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 network maintenance at our US7 site on the schedule below.
Type: Network Maintenance
Start Time: 2025-10-16 02:00 UTC
End Time: 2025-10-16 05:00 UTC
Affected Site: US7
Impact: Delivery of DRs may be delayed up to 15 minutes during the maintenance window.
Customers may also experience brief connectivity issues towards the impacted endpoints listed below:
us7.smpp.api.sinch.com
us7.httpsms.api.sinch.com
us7.httplookup.api.sinch.com
During the period we recommend that you connect to our secondary site US1:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com'
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 Oct 10, 2025 - 16:09 UTC
External Maintenance - United States and Canada Oct 16, 2025 03:00-07:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-16 03:00 UTC
Maintenance end time: 2025-10-16 07:00 UTC
Posted on Sep 06, 2025 - 02:05 UTC
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-16 03:00 UTC
Maintenance end time: 2025-10-16 07:00 UTC
Posted on Sep 06, 2025 - 02:05 UTC
External Maintenance - United States - AT&T Oct 20, 2025 08:00-09:00 UTC
Sinch has a maintenance scheduled for 10DLC MMS traffic toward AT&T.
Impact MMS MT: Clients may experience delayed or failed 10DLC MT traffic towards AT&T Devices.
Maintenance start time: 2025-10-20 08:00 UTC
Maintenance end time: 2025-10-20 09:00 UTC
Posted on Oct 09, 2025 - 20:01 UTC
Impact MMS MT: Clients may experience delayed or failed 10DLC MT traffic towards AT&T Devices.
Maintenance start time: 2025-10-20 08:00 UTC
Maintenance end time: 2025-10-20 09:00 UTC
Posted on Oct 09, 2025 - 20:01 UTC
External Maintenance - United States and Canada Oct 23, 2025 03:00-07:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-23 03:00 UTC
Maintenance end time: 2025-10-23 07:00 UTC
Posted on Sep 06, 2025 - 02:07 UTC
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-23 03:00 UTC
Maintenance end time: 2025-10-23 07:00 UTC
Posted on Sep 06, 2025 - 02:07 UTC
External Maintenance - United States and Canada Oct 23, 2025 03:00-10:00 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: 2025-10-23 03:00 UTC
Maintenance end time: 2025-10-23 10:00 UTC
Posted on Sep 25, 2025 - 20:48 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: 2025-10-23 03:00 UTC
Maintenance end time: 2025-10-23 10:00 UTC
Posted on Sep 25, 2025 - 20:48 UTC
External Maintenance - United States and Canada Oct 24, 2025 03:00-10:00 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: 2025-10-24 03:00 UTC
Maintenance end time: 2025-10-24 10:00 UTC
Posted on Sep 25, 2025 - 20:08 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: 2025-10-24 03:00 UTC
Maintenance end time: 2025-10-24 10:00 UTC
Posted on Sep 25, 2025 - 20:08 UTC
External Maintenance - United States and Canada Oct 30, 2025 03:00-07:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-30 03:00 UTC
Maintenance end time: 2025-10-30 07:00 UTC
Posted on Sep 06, 2025 - 02:09 UTC
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-10-30 03:00 UTC
Maintenance end time: 2025-10-30 07:00 UTC
Posted on Sep 06, 2025 - 02:09 UTC
External Maintenance - United States and Canada Nov 6, 2025 04:00-08:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-06 04:00 UTC
Maintenance end time: 2025-11-06 08:00 UTC
Posted on Oct 04, 2025 - 03:03 UTC
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-06 04:00 UTC
Maintenance end time: 2025-11-06 08:00 UTC
Posted on Oct 04, 2025 - 03:03 UTC
External Maintenance - United States and Canada Nov 13, 2025 04:00-08:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-13 04:00 UTC
Maintenance end time: 2025-11-13 08:00 UTC
Posted on Oct 04, 2025 - 03:04 UTC
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-13 04:00 UTC
Maintenance end time: 2025-11-13 08:00 UTC
Posted on Oct 04, 2025 - 03:04 UTC
External Maintenance - United States and Canada Nov 20, 2025 04:00-08:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-20 04:00 UTC
Maintenance end time: 2025-11-20 08:00 UTC
Posted on Oct 04, 2025 - 03:04 UTC
Impact SMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll-Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-20 04:00 UTC
Maintenance end time: 2025-11-20 08:00 UTC
Posted on Oct 04, 2025 - 03:04 UTC
External Maintenance - United States and Canada Nov 25, 2025 20:00 - Nov 26, 2025 00:00 UTC
Our Toll-Free number provider has scheduled a maintenance.
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-25 20:00 UTC
Maintenance end time: 2025-11-26 00:00 UTC
Posted on Oct 06, 2025 - 19:09 UTC
Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.
Maintenance start time: 2025-11-25 20:00 UTC
Maintenance end time: 2025-11-26 00:00 UTC
Posted on Oct 06, 2025 - 19:09 UTC
Decommissioning of US3 site Dec 8, 2025 09:30-10:30 UTC
Dear Customer,
As a part of our continuous efforts to modernize and improve Sinch's platform performance, we are writing to inform you that we are decommissioning our US3 site.
Should you be utilizing any of the following US3 endpoints, we advise you to update these records to point to our US1 site for the respective service instead:
US3 endpoints:
us3.smpp.api.sinch.com
smpp-us3.clxcommunications.com
inbound01-ash1.clxnetworks.com
us3.httpsms.api.sinch.com
http-us3.clxcommunications.com
us3.httplookup.api.sinch.com
enum-us3.clxcommunications.com
209.95.131.8
US1 endpoints:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com
Please take care to whitelist the following IP addresses to ensure DR&MO Flow: 54.92.160.84, 3.213.71.59, 23.22.91.120
Please contact support@sinch.com should you require further information or assistance.
Posted on Sep 12, 2025 - 13:38 UTC
As a part of our continuous efforts to modernize and improve Sinch's platform performance, we are writing to inform you that we are decommissioning our US3 site.
Should you be utilizing any of the following US3 endpoints, we advise you to update these records to point to our US1 site for the respective service instead:
US3 endpoints:
us3.smpp.api.sinch.com
smpp-us3.clxcommunications.com
inbound01-ash1.clxnetworks.com
us3.httpsms.api.sinch.com
http-us3.clxcommunications.com
us3.httplookup.api.sinch.com
enum-us3.clxcommunications.com
209.95.131.8
US1 endpoints:
us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com
Please take care to whitelist the following IP addresses to ensure DR&MO Flow: 54.92.160.84, 3.213.71.59, 23.22.91.120
Please contact support@sinch.com should you require further information or assistance.
Posted on Sep 12, 2025 - 13:38 UTC