您必須先在 Merchant Center 中建立補充動態饋給，才能使用 Content API 進行補充動態饋給呼叫。按照建立動態饋給一文中的指示操作，並務必選取「Content API」做為動態饋給來源。不過，您透過補充動態饋給修改的主要動態饋給可以使用任何來源，包括 Google 試算表、排程擷取、直接上傳或 Content API。
擷取補充動態饋給的 ID
建立補充動態饋給後，請在 Merchant Center 中擷取 feedId，以便用於發出 Content API 呼叫。
[null,null,["上次更新時間：2024-07-03 (世界標準時間)。"],[[["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."]]],["The beta version of the Merchant API, the new Content API for Shopping, is introduced. To use supplemental feeds, users must first create them in Merchant Center, choosing \"Content API\" as the source, though the primary feed can be from any source. Supplemental feeds cannot be created directly via the Content API. To use the feeds, the feed ID must be retrieved from Merchant Center by selecting \"Products \u003e Feeds\" and viewing the feed's settings.\n"]]
