The Reject recommendation API is used to reject recommendations which are irrelevant. Models are trained based on your feedback to improve future recommendations.

Rate limits

If you submit too many feeds in a short period of time, you may exceed Walmart’s rate limits and receive HTTP 429 (Too Many Requests) responses. For more details on throttling and best practices, refer to the Rate Limiting Guide.

Requirements

Use ITEM as the recommendationType
Add a corresponding filterCriteria like searchText, multiValueFilter, enumFilter, rangeFilter,or add a list of itemRecommendationUniqueId.
Add valid rejection code(s) to the API call. The table below is a list of possible rejection codes.

rejection code	Description
`NOT_SELLING_THESE_ITEMS`	As a seller, I don’t intend to sell these items on Walmart.
`NOT_SELLING_THESE_BRANDS`	As a seller, I don’t intend to sell these brands on Walmart.
`NOT_SELLING_THESE_CATEGORIES`	As a seller, I don’t intend to sell these categories on Walmart.
`LIMITED_TO_OTHER_MARKETPLACE`	As a seller, I intend to sell the rejected items only on other marketplaces.
`ALREADY_SELLING_ON_WALMART`	I am already selling these items on Walmart.
`OTHER_REASON`	Mandatory to add customRejectionMessage