US Legacy SMS API New IP additions
Scheduled for Mar 31, 10:00 - 11:00 UTC
Dear Customer,

As Sinch continues to invest in a robust and secure operating environment, we will introduce new IP addresses from which callbacks for our Redhot XML, SMS, SDI and HTTP API in the US for the following FQDNs:

If you receive callbacks from the above mentioned APIs in the US and you have network restrictions in place to restrict access to Sinch IP's only, you are recommended to white list / allow the following IP's as soon as possible

Best regards,
Sinch infrastructure and product management teams.
Posted Jan 29, 2024 - 09:22 UTC
This scheduled maintenance affects: Legacy API (MSIP (mBlox), OIDS (mBlox), Redhot XML (mBlox), SMPPG (mBlox), SMS (Legacy Sinch), HTTP API (TWW)).