It is important to implement measures to stay compliant when using Instagram Posts. These measures include abiding by local rules and laws about customer data protection and opt in. Non-compliance may result in being blocked from using a communication channel or being suspended permanently.
  
Refer to the [Instagram Terms and Policies](https://help.instagram.com/581066165581870/) for more information.
  
## Opt-in  

A conversation between an agent and an end user can start only when the end user adds a comment on your post.
  
## Messaging limits  

After you reply to an end user's comment, you cannot send any more messages for that comment.