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.

If you currently have a Google Apps script or Google Ads script that uses Content API for Shopping v2, then we 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.set), so check the availability of methods and fields you use when you migrate. See the migration guide for more detail.

If you need help implementing this change, please visit the Content API for Shopping forum.
Ian Ballantyne, Content API for Shopping Team