Sinch Maintenance - SSL Certificate Renewal

Scheduled for Aug 27, 07:00 - 10:00 UTC

Scheduled

Sinch will be performing a scheduled maintenance to renew the SSL certificate's.

Type: Scheduled Maintenance
Maintenance: SSL Certificate Updates

Maintenance Start Time: 2026-08-27 07:00 UTC
Maintenance End Time: 2026-08-27 10:00 UTC

Impact:
us3.smpp.api.sinch.com
eu3.smpp.api.sinch.com
eu1.httpsms.api.sinch.com
eu3.httpsms.api.sinch.com
us.xml.api.sinch.com
eu.xml.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.

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.

Download the certificate files for all the above mentioned certificates here:
https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgBt1caHWrPGTr1j2tT5Of8UAXz-VyLqFq2mkYrNIM7Ills

Posted Aug 12, 2026 - 12:57 UTC

This scheduled maintenance affects: Messaging APIs (SMPP - US, SMPP - EU, HTTP - EU) and Migrated APIs (Redhot XML (mBlox)).