get https://marketplace.walmartapis.com/v3/fulfillment/inventory
You can use this API to get the current Available to Sell inventory quantities for all WFS items in your catalog. You can also query specific SKUs or filter to only items updated after a specific date in order to reduce the response size.
This API is being deprecated and will be removed after the End of Life (EOL) date March 03, 2026. We recommend transitioning to WFS Inventory (New) .