The Enterprise Communications API has extensive SMS capabilities.
SMS Services
Send SMS
Learn how in the SMS channel guide.
Inbound SMS
Allows you to receive SMS messages sent from phones to your hosted mobile numbers, short codes or keywords. Messages are delivered to a URL of your choosing.
Receipts
If you need to to know the status of messages you've sent using one of our APIs, you can request that delivery receipts are forwarded to a URL of your choosing.
You can use the Enterprise Communications API to send outbound messages, and therefore easily utilise Branch and other capabilities without needing to change your integration