We will be performing a planned maintenance on our Conversation API platform to strengthen our infrastructure. This will change the IPs associated with the Base URL of our regional endpoints.
Type: Planned Maintenance Start Time: 2026-03-25 08:00 UTC End Time: 2026-03-25 10:00 UTC
For EU1 environment and "eu.conversation.api.sinch.com" FQDN IPs will change from OLD: - 34.246.12.78 - 52.18.1.217 - 52.50.172.104 to NEW: - 34.247.10.251 - 34.243.80.241 - 63.33.21.26
For BR1 environment and "br.conversation.api.sinch.com " FQDN IPs will change from OLD: - 177.71.243.105 - 18.228.234.250 - 18.229.82.177 to NEW: - 18.229.217.42 - 18.230.233.81 - 54.94.159.24
For US1 environment and "us.conversation.api.sinch.com " FQDN IPs will change from OLD: - 44.196.133.251 - 52.201.9.233 - 54.243.120.247 to NEW: - 52.22.60.183 - 52.71.26.226 - 44.221.23.197
IMPORTANT! If you have implemented IP whitelisting (allowlisting) rules on your network or firewalls that restrict outbound traffic to specific Sinch IP addresses, you must update your firewall rules and/or connection configuration to include the new IP addresses before the above mentioned window.
If you have any questions please do not hesitate to reach out to support@sinch.com