Domains and IP Addresses

Ensure your integration is always communicating with SMSPortal

Your integration must be able to reach the relevant SMSPortal fully qualified domain names for it to function properly. Depending on which API you have chosen and how your integration operates, you may need add them to a whitelist.

To help your integration operate securely, it must also verify that it’s communicating with the relevant SMSPortal domain through one of our listed IP addresses below.

If your integration also receives webhooks from SMSPortal, you should ensure these events originate from one of our webhook IP addresses.

SMSPortal Domains

SMSPortal interacts with your integration using one or more of the below fully qualified domain names:


IP Address List

The full list of IP addresses that domains may resolve to is:



Always use the fully qualified domain name to contact our APIs β€” never an IP address.

Webhook Notifications

The full list of IP addresses that webhook notifications may come from is: