Can I Use sipgate.io and the sipgate API Together? James 11 January 2016 12:21 Updated Follow Yes, the functionailties of the two APIs are complementary and can be used together. Related articles What Is the Difference Between sipgate.io and the sipgate API? How do I Authenticate with the sipgate API? What Is the sipgate API and What Features Does It Offer? About sipgate.io Sending a Text Message (SMS) Comments 0 comments Article is closed for comments.