There is a new Item Performance Report API to provide insights into your catalog’s performance is now available through API. The Item Performance report will give you a high-level, daily snapshot view of your catalog for a number of metrics. These insights and details can be used to improve your assortment and profitability and help to grow your business.
For more information about see Multiple Reports API in the reference.
For information about how to generate the report, see Generate an Item Performance Report in the guide.
Some of the metrics available through the report are: GMV, Commission, AUR, Authorized Orders, Authorized Sales, Cancelled Sales, Item Conversion Rate and Total Product Visits
You can fetch data for the last 30 days through this report.
Item Performance Report URL – https://marketplace.walmartapis.com/v3/getReport?type=itemPerformance