Copy PageApply Coupon To Purchasepost https://secure.fusebill.com/v1/PurchaseCouponsThis function is used to apply a coupon to a purchase before it has been finalized.Body ParamsPurchaseIdint32This is the ID value of the Purchase you want to apply the coupon against.couponCodestringThis is the coupon code which identifies the Coupon you want to apply to the specified PurchaseResponses 200200 400400Updated about 1 year ago Update PurchaseDelete Coupon From Purchase