[null,null,["最后更新时间 (UTC):2024-07-03。"],[[["The Merchant API is the new version of the Content API for Shopping and represents the future of product data integration."],["To use supplemental feeds, you must first create them in Merchant Center and select \"Content API\" as the feed source, while your primary feed can use any source."],["Supplemental feeds cannot be directly created via the Content API, but their `feedId` can be retrieved from Merchant Center for use in API calls."]]],[]]