Release Notes Early Adoption Release Notes Agents Current: Human Text Initiator (HTI) PDF Download PDF Download page Human Text Initiator (HTI). Current page All pages Human Text Initiator (HTI) The HTI service enables you (Clicker Agents) to manually launch text messages after you confirm the phone number using a mouse click. When you are logged in to an HTI service, you cannot switch to other service types, but only to other HTI services. ×