To begin with, it’s one of the fairest merchant services pricing model for merchants.“Interchange” in interchange plus represents the "actual wholesale processing" cost charged by Visa, MasterCard and “plus” represents the flat basis point markup over total sales amount.One basis point is equal to 1/100th of 1%, or 0.01% (0.0001)These two fees, Interchange and assessment fees are NOT negotiable, only the markups (basis Points) are negotiableWe here at Onesto are all about transparency and only offer Interchange plus pricing or Flat monthly fee pricing. We will help you choose the right pricing based on your business.