Title: Generate Voucher Codes Import Request Schema The details to control the generation of voucher codes through the services Version 1.0 : 2017-12-01. Initial schema creation. Version 1.1 : 2018-04-18. Company key is now optional as it is provided in the REST url (though required for WCF). Optionally provide a coupon name. Either the coupon key attribute or Coupon Name element must be supplied. The number of codes to generate. Indicate whether the generated codes should be generated with a status of 'Issued' or not. By default codes will be generated with a status of 'Created' - in which case they are not available for use until they have been issued. The unique coupon key assigned to the coupon for which codes will be generated. The company key assigned to your company. To view the company key navigate to Configuration / Manage Company.