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How to Fulfill Shopify Orders with Walmart WFS & MCS

  • Writer: Team FovCommerce
    Team FovCommerce
  • 6 days ago
  • 7 min read

You're already winning on Walmart.com with lightning-fast WFS delivery - but every time a Shopify order rolls in, your logistics get messy. Whether you're manually copying tracking numbers or paying a completely separate 3PL to hold duplicate inventory, you're burning valuable hours and cutting into your margins.


Here's the thing: if you're enrolled in Walmart WFS, you're already paying for a coast-to-coast fulfillment network that can ship your Shopify orders too. Most sellers just don't know it yet.


FOV is purpose-built for one thing - connecting Shopify sellers to Walmart WFS & MCS fulfillment. Not a feature inside a bigger platform. A dedicated solution that does one thing exceptionally well.


It's time to stop splitting your stock and start running a unified fulfillment engine.

The Costly Mistake of Splitting Your Inventory Between WFS and a Separate 3PL


If you're enrolled in Walmart Fulfillment Services and running a Shopify store, your setup probably looks something like this:

  • Inventory stored in Walmart's 31 fulfillment centers for Walmart.com orders

  • A separate 3PL (or your own storage) handling Shopify orders

  • Two sets of inventory counts to manage manually

  • Two fulfillment providers charging separate fees

  • Overselling risk every time one system doesn't update fast enough


This split setup is costing you more than you think. Sellers operating dual fulfillment systems typically pay 15–30% more in total fulfillment costs than those using a single provider - not just in fees, but in the hidden cost of time spent managing two systems manually.


The frustrating part? You're already paying Walmart to store and manage your inventory across 31 US fulfillment centers. That warehouse network is sitting right there, ready to do more - most WFS sellers just haven't been told it can.

Did You Know Walmart WFS Can Now Ship Your Non-Walmart Orders?


This is what most WFS sellers miss entirely.

In September 2024, Walmart launched a program that changes everything for multichannel sellers: Walmart Multichannel Solutions (MCS).


In plain terms: your existing WFS inventory can now fulfill orders from any sales channel - not just Walmart.com. Your Shopify orders, Amazon orders, TikTok Shop orders, eBay orders - all picked, packed, and shipped by Walmart's warehouse team, using the same inventory you're already storing there.


Key facts about Walmart MCS every WFS seller should know:

  • No commission fees on non-Walmart orders - you only pay the fulfillment rate

  • Rates average 15% lower than most third-party logistics providers (per Walmart's published data)

  • 31 WFS fulfillment centers across the US - coast-to-coast coverage

  • One inventory pool - no more splitting stock between locations

  • No minimum order volume - works for sellers at every scale

  • Available immediately to any seller already enrolled in Walmart WFS

  • 2–5 business days standard delivery, 1-3 days expedited


MCS launched less than two years ago - which is why most WFS sellers haven't heard of it. The sellers adopting it early are gaining a meaningful cost and operational advantage over those still paying duplicate 3PL fees.

Introducing Walmart Multichannel Solutions (MCS) for Off-Platform Fulfillment


Think of Walmart MCS as Walmart's answer to Amazon MCF - but with no commission fees on non-Walmart orders and consistently more competitive rates.


Here's how it compares to your current setup:

Parameters

Separate 3PL

Walmart MCS

Storage location

Separate 3PL warehouse

Walmart's 31 WFS centers

Avg fulfillment cost

$4–8 per unit (varies)

Avg 15% lower than competitors

Commission on Shopify orders

None

None

Inventory pools to manage

Two separate pools

One unified pool

Delivery speed

Depends on 3PL

2–5 days standard, 1–3 days expedited

Real-time inventory sync

Manual or extra cost

Automatic real time sync

Setup time

Weeks (contract, integration)

Under 30 minutes


How Walmart MCS works: new order received → Walmart picks, packs, ships → tracking pushed back to your store automatically.

How Walmart MCS works: new order received → Walmart picks, packs, ships → tracking pushed back to your store automatically.


Unlike broader multichannel platforms that offer Walmart MCS as one feature among many, FOV is a dedicated solution built exclusively for Walmart WFS & MCS fulfillment on Shopify. One focus. Done exceptionally well.

How to Fulfill Shopify Orders with Walmart WFS & MCS in 3 Simple Steps


This is where FOV Walmart Fulfillment Sync comes in. FOV is a Shopify-native app built exclusively for Walmart WFS & MCS - so every new Shopify order is automatically routed to Walmart for fulfillment, tracking numbers come back to Shopify automatically, and your WFS inventory stays accurate in real time.


Step 1 - Enable MCS in Walmart Seller Center

  1. Log in to Walmart Seller Center

  2. Go to Settings → Multichannel Solutions

  3. Click Create Sales Channel and select Shopify as your channel type

  4. Copy your MCS Channel ID - you'll need this in Step 3

Note: If you don't see the MCS option, contact Walmart Seller Support to confirm your WFS account is eligible. Most active WFS accounts qualify automatically.

Step 2 - Install FOV on Shopify (Free - 100 Orders/Month)

  1. Go to FOV Walmart Fulfillment Sync on the Shopify App Store.

  2. Click Install - free plan includes 100 order syncs per month, no credit card required.

  3. Complete Shopify authorization - you'll land in the FOV dashboard inside your Shopify admin.


FOV dashboard inside Shopify admin - real-time order tracking, fulfillment status, and activity log in one place.

FOV dashboard inside Shopify admin - real-time order tracking, fulfillment status, and activity log in one place


Step 3 - Connect Walmart Credentials and Review Your SKUs

  1. In FOV, go to Settings → Walmart Credentials.

  2. Enter your Client ID and Client Secret from API Integration Page.

  3. Enter your MCS Channel ID from Step 1.

  4. FOV verifies your credentials automatically.

  5. Go to SKU Mappings - review your connected Shopify product variants to your Walmart WFS SKUs.


SKU mapping in FOV - connect each Shopify variant to its Walmart WFS SKU in minutes. Supports unlimited SKUs on paid plans.

SKU mapping in FOV - connect each Shopify variant to its Walmart WFS SKU in minutes. Supports unlimited SKUs on paid plans.


From this point forward, the entire fulfillment flow is automated:

  • ✅ New Shopify orders routed to Walmart MCS automatically.

  • ✅ Walmart picks, packs, and ships within 1–5 business days.

  • ✅ Tracking number pushed back to your Shopify order when shipped.

  • ✅ WFS inventory synced to Shopify in near real time automatically.

  • ✅ Returns managed in one place.


Total setup time: under 30 minutes.


FOV orders page - all your WFS and MCS fulfillment orders in one view, with real-time status and manual sync controls.

FOV orders page - all your WFS and MCS fulfillment orders in one view, with real-time status and manual sync controls



Why Real-Time WFS Inventory Sync Is the Ultimate Growth Lever for Shopify Sellers


Most sellers focus on the order fulfillment side of MCS - and miss the inventory sync benefit entirely.


Real-time WFS inventory sync prevents overselling. When your WFS stock drops - from Walmart.com sales, Shopify sales, or any other channel - FOV updates your Shopify inventory in near real time. No more selling products you don't have.


It removes manual inventory management. Without sync, you're manually updating Shopify every time WFS stock changes. With FOV, this runs automatically in the background - triggered instantly by Walmart's stock updates or refreshed in near real time by default.


It enables confident multichannel selling. Once your Shopify inventory accurately reflects real WFS stock, you can add more channels - Amazon, TikTok Shop, eBay - knowing your numbers are always right. FOV routes all those Shopify-imported orders to Walmart MCS from a single inventory pool automatically.


It scales without adding work. Whether you're processing 100 Shopify orders a month or 1,000, the sync works the same way. There's no manual step that breaks at scale.


FOV has been a lifesaver for our online business! It has been the perfect and affordable solution to automatically sync our WFS inventory back to our Shopify storefront and then to automatically submit our Shopify orders to Walmart via MCS Multichannel Solutions. We have even found a solution to submit our Amazon and TikTok Shop orders that import into our Shopify over to Walmart MCS for fulfillment. I cannot recommend the app enough! - By Tinsel Traditions, United States ⭐⭐⭐⭐⭐

Frequently Asked Questions About Walmart MCS vs 3PL Shipping


Q1: Can I use Walmart WFS to ship Shopify orders in plain unbranded packaging?


Yes. Walmart MCS ships in plain, unbranded packaging by default. Your Shopify customers won't see any Walmart branding on their package - it arrives as a standard shipment from your store.


Q2: What are the cost differences when comparing Walmart MCS vs 3PL pricing?


Walmart publishes that MCS rates average 15% lower than competing fulfillment providers. The exact savings depend on your product dimensions, weight, and shipping zones. Beyond the per-unit rate, most sellers also eliminate an entire second storage fee by consolidating into one WFS inventory pool - which is where the biggest savings typically come from.


Q3: How do I prevent overselling on Shopify if my WFS inventory drops?


This is exactly what FOV's inventory sync solves. FOV monitors your WFS available-to-sell quantity and updates your Shopify inventory automatically in near real time - so when stock drops at Walmart's fulfillment center, your Shopify store reflects that change before the next order comes in. You can also set low-stock alerts in FOV to get notified before you run out.


Q4: Does Walmart MCS support Shopify's expedited and next-day shipping options?


Walmart MCS supports standard (VALUE) and expedited shipping tiers, with delivery in 2–5 business days standard and 1–3 days expedited. FOV automatically maps your Shopify shipping method to the correct MCS tier - so if a customer selects express shipping at checkout, FOV sends the expedited flag to Walmart MCS automatically.


Q5: Will my customers get Walmart-branded tracking links for their Shopify orders?


No. MCS shipments use standard carrier tracking numbers from UPS, FedEx, or USPS - not Walmart-branded links. FOV pushes these tracking numbers back to your Shopify order automatically when Walmart ships, and your customer receives Shopify's standard shipping notification with the carrier tracking link.


Stop Paying Twice for Fulfillment - Start Using the Warehouse You're Already Paying For


If you're enrolled in Walmart WFS and still paying a separate 3PL to fulfill your Shopify orders, you're solving a problem Walmart already solved for you.


Walmart MCS gives you one inventory pool, one fulfillment network, and one set of costs - across every channel you sell on. FOV connects it all to Shopify automatically in under 30 minutes.


Free plan: 100 order syncs per month - no credit card required.

Need more? 1,000 orders syncs per month for just $15.



Questions about MCS setup or WFS eligibility? Reach us at business@fovcommerce.com - we're happy to help you get set up.



Works with: Walmart WFS, Walmart MCS, Walmart Multichannel Solutions, CedCommerce, M2E Pro, GeekSeller, AfterShip, QuickSync, Shopify Marketplace Connect, and any app that imports marketplace orders into Shopify.

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