What are the limitations for the structured messages on FB messenger Gupshup Devsupport August 11, 2016 05:56 Facebook imposes certain limitations on what can be done with structured messages. Go through the guidelines listed in this guide. Related articles What is welcome message in Facebook and how do I set one? What is Gupshup's pricing policy? How to set callback URL? How to set a custom greeting on Facebook Messenger? Is it possible to send a hyperlink in a Facebook bot? Comments 0 comments Please sign in to leave a comment.