Can you still get commission if you told someone about the brand you're promoting and they made a pledge or purchase without using your referral link? The short answer is no.
A pledge towards a crowdfunding campaign or a purchase through an online store does need to be successfully tracked by Kickbooster (or authorized by the program owner) in order for commissions to be earned. To earn commissions on any pledges or sales you referred, the pledge or purchase must be made through your unique referral link.