How many friends can I invite through my unique link? Fu Kuo February 13, 2018 08:38 Updated Follow There's no limit, so you can invite as many friends as you would like. Related articles What is the monthly challenge? When do I receive the reward(s)? I want to actively promote, how can Pinkoi support this? Do I get bonus points for my friends who joined Pinkoi previously? How do I use coupon codes? Comments 0 comments Please sign in to leave a comment.