What’s New

We are excited to announce the developer portal UI design updates, so you can navigate easily between the Guide and Reference for each API. Key improvements include a persistent top navigation with Guide and Reference tabs, and drop-down menus for both Guide and Reference to quickly switch between API groups.

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We have added new filters on GET All Orders API that will allow you to filter the purchase orders based on last modified date and time. New query parameters available for use are – lastModifiedStartDate lastModifiedEndDate Using both these query parameters will fetch all purchase orders that were modified between the given date range. Changes to […]

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Now sellers can view the success rates as a percentage of successful API calls for each API group (e.g. Items, Promotions, Orders) with the new Analytics Dashboard. Sellers can also view insights about error messages generated per API group. You can filter by error type (e.g. 400, 404 or 500), or view all errors, as […]

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Marketplace sellers can now request and download item reports quickly with the new On-request Reports API. Previous reports were available once daily, pregenerated at a set time. Now you can request an Item report, and within 15-45 minutes download the report with the new API. Use the On-request Reports API to: Request a report – […]

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To grow your business, we just launched new Insights Management APIs to increase your catalog offerings. Add best selling items or republish items that went unpublished. Find out key insights so you can take action and update your offerings: Top selling items at Walmart during the holiday season for each department or dept. category Find out reasons […]

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We have launched a new Promotions Report (BETA) to provide data of your current and future promotions. This report will give you a snapshot of your Activated, Deactivated, Updated or Created promotions. Use type=promo in the Reports API URL to download the promotions report. For more details about the Promotions Report, see Generate a Promotions Report.

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There is a new Drop-ship Vendor API that you can use to update cost for your items in bulk. You can specify cost details, including cost per unit, amount, and currency, as well as the distributor for your item. For details about how to apply for approval to use the Cost API, see Request approval […]

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We are excited to announce the next generation Walmart Developer Portal v2.0! The portal is a completely new platform, with a new user interface that separates API References, and now includes how-to guides for each API. The API Key management system is more secure, and has a more robust user interface to create separate keys […]

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To make it easier and faster for sellers to set up and maintain items, we created a new Item Spec v4.0. This new spec is a complete overhaul of the Item Spec v3.2, that modernizes the Walmart Global Data Model with over 250 new and improved attributes, and better organization to make your products easy for buyers to discover in searches […]

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We have made improvements to GET an Item API. You can now fetch an item in your catalog using various identifiers including GTIN, UPC, EAN, ISBN, or Item_ID, in addition to SKU. This helps in troubleshooting SKU/GTIN mismatches in your catalog.  For more information about how to use GET an Item API, see Search seller’s catalog for an item.

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