The HTTP API supports the ability to manage SMS subscriptions and messages, as well as send messages. 

Commands

API commands for SMS management include:

• Create SMS Message (createsmsmessage)
• Get SMS Messages (getsmsmessages)
• Add Phone to Sender Code (addphonetosendercode)
• Add SMS Contact to Sender Code (addsubscribertosendercode)
• Send Message to Phone (smssendmessagetophone)
• Send Message to Sender Code (smssendmessagetossendercode)
• Stop Sending to Contact (smsstopsubscribersend)