Additions and changes to the Twilio platform
All eligible Twilio customers can now start registration for US A2P 10DLC, in the Twilio console or via API. Registering protects and can improve SMS and MMS traffic deliverability and throughput.
To see who should currently register for A2P 10DLC, please refer to this article. In general, customers who send more than 3,000 SMS to the US using Long Code numbers can immediately begin taking action. To start registration, click here or go to Twilio Trust Hub, and select "Go to A2P Messaging".