Your invite code is a unique code used to identify your account.
Your invite code can be found at the bottom of the in game settings menu which you can find by:
- PC, mobile, Nintendo Switch: Selecting the Settings button on the World Map (see image below)
- Xbox: Pressing the Menu button on your controller
- PlayStation: Pressing the Options button on your controller
Your invite code will only work if it's typed in all caps, so make sure CAPS LOCK is turned on when using it!