Sinch Maintenance - SSL Certificate Renewal.

Scheduled for Mar 2, 09:00 - 12:00 UTC

Update

Sinch will be performing a scheduled maintenance to renew our SSL certificates.

Certificates affected by this maintenance:
*.smpp.api.sinch.com
eu1.smpp.api.sinch.com

Endpoints affected by this maintenance:
eu.smpp.api.sinch.com
eu1.smpp.api.sinch.com
us.smpp.api.sinch.com
us7.smpp.api.sinch.com

As part of this update, please note that the root certificates have also changed. We recommend updating the root certificates as well to ensure continued trust and smooth operation.

Start Time: 2026-03-02 09:00 UTC
End Time: 2026-03-02 12:00 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.

Download the certificate files for all the above mentioned certificates here:
https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgAWvXx4dJ_oTrcHM1vo8zFCASXHd3ByVDaCaO6BvmKoy8M?e=sQhf7n

Posted Feb 18, 2026 - 14:14 UTC

Update

Sinch will be performing a scheduled maintenance to renew the SSL certificate for the below endpoints.

*.smpp.api.sinch.com
us.smpp.api.sinch.com
us7.smpp.api.sinch.com

As part of this update, please note that the root certificates have also changed. We recommend updating the root certificates as well to ensure continued trust and smooth operation.

Start Time: 2026-03-02 09:00 UTC
End Time: 2026-03-02 12:00 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.

Download the certificate files for all the above mentioned certificates here:
https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgCmOnGRx3TVT6Stw0ixOsKHAfoEuGl8I54s1BCHW7ZEzFA?e=IlUJSs

Posted Jan 30, 2026 - 13:06 UTC

Update

Sinch will be performing a scheduled maintenance to renew the SSL certificate for the below endpoints.

*.smpp.api.sinch.com
us.smpp.api.sinch.com
us7.smpp.api.sinch.com

As part of this update, please note that the root certificates have also changed. We recommend updating the root certificates as well to ensure continued trust and smooth operation.

Start Time: 2026-03-02 09:00 UTC
End Time: 2026-03-02 12:00 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.

Download the certificate files for all the above mentioned certificates here:
https://clxgroup.sharepoint.com/:u:/r/sites/CLX_Support_Anonymous_link/Shared%20Documents/TOR-5471/star.smpp.api.sinch.com-2027.crt?csf=1&web=1&e=wdpywE

Posted Jan 27, 2026 - 12:17 UTC

Scheduled

Sinch will be performing a scheduled maintenance to renew the SSL certificate for the below endpoints.

*.smpp.api.sinch.com
us.smpp.api.sinch.com
us7.smpp.api.sinch.com

As part of this update, please note that the root certificates have also changed. We recommend updating the root certificates as well to ensure continued trust and smooth operation.

Start Time: 2026-02-18 09:00 UTC
End Time: 2026-02-18 12:00 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.

Download the certificate files for all the above mentioned certificates here:
https://clxgroup.sharepoint.com/:u:/r/sites/CLX_Support_Anonymous_link/Shared%20Documents/TOR-5471/star.smpp.api.sinch.com-2027.crt?csf=1&web=1&e=wdpywE

Posted Jan 21, 2026 - 14:17 UTC

This scheduled maintenance affects: Messaging APIs (SMPP - US, SMPP - EU).