What’s New

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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Introducing Shipping Templates for all shipping methods to let you manage your shipping settings (e.g. service levels, shipping regions, transit times, and shipping rates) across several products at once. The Shipping Templates aim to bridge the gap between promise and actual delivery time by giving granular region level customization capability for your assortment and fulfillment […]

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All Marketplace Sellers can now use FedEx SmartPost as a carrier for shipping their orders. FedEx SmartPost is now a supported carrier for API users for Standard shipping method. Use configurations as given below –“methodCode”: “Standard”“carrier”: “FEDEXSP”

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To help you improve your order management and fulfil your orders on-time with efficiency, we bring to you Order Status Webhook Notifications. You can now receive automated notifications when a new purchase order is created for you or when your order line is auto-cancelled by Walmart. To begin getting order notifications, you should first create a Webhook subscription […]

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Sellers can use the Issue Refund API to issue a refund against a return order. It now supports multiple return order lines in one request. You can add more than one returnOrderLineNumber in the refundLines array of the request payload. The current Issue Refund API behavior is still supported: Return Order with only one Return […]

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For DSV API users, FulfillmentLagTime is being removed from inventory feed on September 30, 2020. The new standalone Lag Time APIs can be used to update and fetch LagTime: Use GET Lag Time API to fetch FulfillmentLagTime. Update FulfillmentLagTime with Update Lagtime API. Notes: minfulfillmentLagTime parameter will no longer be an option. Inventory API call will continue to […]

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Introducing automated notifications when your published items win or lose the buy box or whenever there’s a change in buy box winner or winning price of your items. To begin getting notifications, you should subscribe to Buy Box Web Hook Notifications. As soon as you do that, Walmart will begin sending you a buy box notification […]

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