Before you can make supplemental feed calls with the Content API, you have to create a supplemental feed in Merchant Center. To create a supplemental feed, follow the instructions in the Creating New Feeds section of the About Feeds Onboarding Guide. When creating your supplemental feed, make sure you select Content API as the feed source. However, the primary feed that you modify with the supplemental feed can use any source, including Google Sheets, scheduled fetch, direct upload, or Content API.
Retrieving IDs for supplemental feeds
After creating a supplemental feed, retrieve the feedId in Merchant Center so
that you can use it to make Content API calls.
To retrieve a feedId, follow these steps:
- In Merchant Center, select Products > Feeds.
- In the Supplemental feeds section, click the feed name.