post
https://api.yotpo.com/apps/:app_key/products/mass_create
Use this method to mass create new products, groups, and tags within your product catalog.
Note: Only one Create/Update mass products call can be executed at a time. Please wait until one call is completed before sending another request to create or update a products. To get an update once each request is completed, make sure to specify a result_callback_url or return_email_address.