post
https://{project_url}/webservice/rest-api/{api_interface}/{version}/campaign-products
Create a new campaign product. A campaign product defines a discount promotion on a specific product, including the discount type (percentage or final price), validity dates, and which stores and channels the promotion applies to. See Campaign products for details.
Too many requests - more than the resource limit.
Temporary state when the service is temporarily unavailable, overloaded or there is a maintenance window.