get https://marketplace.walmartapis.com/v3/items
Use this API endpoint to retrieve all items from a partner’s catalog. It supports pagination using nextCursor or offset and limit. Each item response includes an isDuplicate field that shows whether it’s a duplicate. To get more details about duplicate items, include the optional showDuplicateItemInfo parameter. This adds a destinationItem property with relevant information.
You can also include the optional includeCustomerFavoritesStatus parameter to return an isCustomerFavorite flag, which shows if an item is popular with customers.
Throttling:
For details on throttling, refer to the Walmart throttling documentation