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Starting with v2.1 of the Content API, you can use
supplemental feeds
to perform partial updates of product data. Partial updates with supplemental
feeds let you make requests that only include the fields that you want to
modify, without affecting the rest of the product data. Once you create your
supplemental feeds in Merchant Center, you can make partial updates by including
the feedId query parameter when calling Products.insert and
Products.delete.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13 UTC."],[],["The beta version of the Merchant API, the new Content API for Shopping, is now available. Version 2.1 allows partial product data updates using supplemental feeds, modifying specific fields without affecting other data. To perform these partial updates include the `feedId` query parameter when using `Products.insert` and `Products.delete`. Supplemental feed updates do not reset product expiration dates; use a full `Products.insert` request for that. Supplemental feeds cannot create new products, only modify existing ones.\n"],null,[]]