There is NOT yet in the INSTAGRAM integration public api to support that.
There is nothing that allows a conversation between the PC and the INSTAGRAM application that allows RECEIVING or SENDING invitations.
Therefore, we suggest that you first INVITE another person to come to your PC through platforms like Streamyard, Google Meet, Zoom and then use some streaming software to perform your live on INSTAGRAM with 2 or more people.
Youre gonna need it
01 - PC / Computer
02 - Software for OBS STUDIO/VMIX/WIRECAST or other transmission type
03 - Invite others via Streamyard, ZOOM/GOOGLE MEET or Skype
04 - Place these guests inside your broadcast software via window capture or ndi
05 - Define your layout and design
06 - Enter EASY4LIVE data into your transmission software then start transmission to go to IG.