Twilio Changelog | Apr. 09, 2026

AT&T phone numbers can now be added as RCS test devices

Twilio Programmable Messaging now supports adding AT&T test numbers to your RCS sender.

You can now prototype and test your RCS sender on all major US carriers.

Once you’re ready to use RCS for production traffic, submit your RCS compliance information and our operations team will guide you through the carrier approval process

Go to Console to get started now.

For more information, see our docs.

Messaging Programmable Messaging API Rich Communication Services

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