Sinch Scheduled Maintenance - Legacy EU Redhot XML
Scheduled for Oct 24, 00:00 - 01:00 UTC
Dear Client,

In order to improve the performance and reliability of our platform we have scheduled a maintenance in our legacy Mblox environment. As part of this change, client API calls will be forwarded to new XML gateways. Due to this maintenance, clients will notice that Mblox XML FQDNs will start returning new IP Addresses.

Please ensure that the IP Addresses listed below are whitelisted if you have a requirement to do so.

Start Time: 2023-10-24 00:00 UTC
End Time: 2023-10-24 01:00 UTC

Type: Scheduled Maintenance
Maintenance: API Upgrade
Impact: Clients may experience a brief response delay during the DNS change.

New IP Addresses:,

FQDNs Affected:

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 your account manager or should you require further information or assistance.

Posted Sep 18, 2023 - 18:22 UTC
This scheduled maintenance affects: Legacy API (Redhot XML (mBlox)).