Changes to POST /api/v4.0/integrations/coupons/validate

added the new optional request property branchId

added the new optional request property categories

added the new optional request property lineItems

added the new optional request property productsIds

added the optional property coupons/items/couponRulesLogicalOperator to the response with the 200 status

added the optional property coupons/items/entitledBranchIds to the response with the 200 status

added the optional property coupons/items/entitledCategoryIds to the response with the 200 status

removed the optional property invalidCoupons from the response with the 200 status

removed the optional property validCoupons from the response with the 200 status

the endpoint scheme security apiKey AND secretKey was added to the API

the endpoint scheme security apiKey was removed from the API

added the new optional request property collectionId

added the new optional request property collectionsIds

added the new optional request property lockDuration

added the new optional request property lockReference

added the new optional request property merchantId

added the new optional request property totalPurchaseAmount

added the optional property coupons to the response with the 200 status

added the optional property dateToExpire to the response with the 200 status

added the optional property lockReference to the response with the 200 status

added the optional property valid to the response with the 200 status

the coupons/items request property type changed from object to string

removed the request property coupons/items/code

removed the request property coupons/items/pin

removed the non-success response with the status 400

endpoint added

api path removed without deprecation