What are Active Contacts? August 02, 2023 15:35 Updated Active contact means someone who has not Opt-out from receiving the text messages. Most common way to Opt-out is to send STOP to our short code. Once the subscriber Opt-out, our system will not send text messages to that customer. Related articles How to Create Web-Sign up for your Campaign? How to send message? What are the HELP and STOP messages requirements?