Going forward, if you use Content API for Shopping through Google Apps Script  or Google Ads scripts , new scripts will use Content API v2.1 by default. This change is part of the deprecation of Content API for Shopping v2 , scheduled for sunset on September 30th, 2021 , after which scripts that depend on v2 features won’t work.strongly recommend you migrate to v2.1 . Please note that some methods and fields in v2 are no longer supported in v2.1  (for example Inventory.setmigration guide  for more detail.Content API for Shopping forum .