GreenSky’s mobile point-of-sale payment and credit platforms are designed to assist home improvement contractors increase sales. Business owners are able to present more than 30 credit plans, including 12-month no interest, to best meet their customer’s needs. Credit decisions can be delivered within seconds and merchants get instantly funded by simply using the customer’s GreenSky account number to process the payment just like a credit card. The staged funding means contractors don't have to wait until the job is finished before getting paid. GreenSky Trade Credit.