SMS API Documentation

API Reference :: Our IP Addresses

We use two blocks of IP addresses for our API services.

To send or receive SMS, or to receive delivery receipts you must allow connections to/from these IP addresses.

CIDR Netmask Address Range
89.248.48.192/27 255.255.255.224 89.248.48.192 – 89.248.48.223
217.20.43.96/27 255.255.255.224 217.20.43.96 – 217.20.43.127
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