Title: Export Coupon Code Uses - request schema Retrieve details of code uses. A coupon key and coupon code is required. Version 1.0 : 2018-04-20. Initial schema creation. The page number of the page of results to be returned. The number of items to be returned in a page. The unique coupon key assigned to the coupon. The key is created automatically by Promo when creating your coupon. To view the key navigate to the Coupon in the Promo Administration Portal. The coupon code to return uses for. Where required, provide a promotion name to only return uses of the code where they have been associated with the specified promotion. Where required, a boolean value can be provided to indicate whether to look for exact matches for all specified criteria filters. Flag for internal system use only The company key assigned to your company. To view the company key navigate to Configuration / Manage Company.