As of May, 2023 from Promptchat Version 3.0.4 Instagram is available for the ChatBoard (Team Inbox), Chatbot builder Instant Messenger and Campaigns.
See the setup guide for adding Instagram integration channel:
https://docs.google.com/presentation/d/1P0LIY4wdHic29Ut4dyC6cPh2bmZ_ppezyNZGMm06sk0/edit?usp=sharing
