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Walmart Fulfillment Services (WFS)
If you self-fulfill your Marketplace orders, you can purchase discounted shipping labels within Seller Center by using Ship with Walmart or via Walmart APIs. For more information on how to buy shipping resources at competitively discounted rates using Walmart APIs, visit the Developer Portal.
API support is available for USPS, FedEx and Yanwen. UPS isn't supported. Access to preferred carrier rates for eligible shipments are subject to Ship with Walmart’s Terms of Service. You can only purchase a shipping label through Walmart for orders that are in an unshipped status.Â
Buy a shipping label
Step 1 — Get started
Navigate to the Orders dashboard in Seller Center. Eligible orders are in the Unshipped tab. Select the Purchase order#  link in the appropriate row to open Order details.  Select the Ship items button to choose your shipping label preferences.   
Step 2 — Enter shipping label preferencesÂ
In Shipping details, select Buy a Shipping Label through Walmart  and choose your preferred package type and weight. 
Select the Estimate rate  button to calculate the estimated shipping label rates and delivery methods. The prices shown are estimates and may vary by the actual weight and size once scanned by the carrier. The final cost of the shipping label will be reflected in your Payments Statement Summary as a Walmart Shipping Label Service Charge.  Â
For custom requirements, you’ll need to verify and provide the From Address in Mandarin if you’re shipping from China. Additionally, you must accurately select package content information and verify the description of the package contents in Mandarin. Â
The first time you use Ship with Walmart to print your shipping label, you’ll need to agree to our Terms of Service and any terms and agreements required by our carriers and partners. You may see an agreement popup window if any of the terms agreed to are updated or changed. Once you’ve read and agreed to all required terms, select the Accept and Submit buttons. 
Step 3 — Enter shipping detailsÂ
Choose your preferred delivery method and select Confirm and Continue. Make sure you’ve measured and weighed your items carefully and selected the correct package type. 
If you buy a shipping label from USPS, you'll be charged at the time of label creation and will receive a refund for any unused labels. For all other delivery methods (except USPS), you won’t be charged until the label is scanned by the carrier. You’re responsible for any applicable charges resulting from misclassification or reclassification because of incorrect package type, size or weight.Â
Step 4 — Print label Â
Once your label has been generated, select the Print label  link at the top right. If you need to make any changes to the order after the shipping label has been generated, select Discard Label  and restart the label purchasing process.Â
After you’ve printed your label and are ready to ship, select the Mark as Shipped button in Order details. Once you mark the order as shipped, the label can’t be canceled or modified.     Â
If you’re shipping from China to U.S., after you’re ready with the shipment, you can call Yanwen offline (if you already have a contact) or navigate to Yanwen’s portal to schedule a pickup. You can also look for the pickup coverage through the portal. Â