Big W marketplace integration
Grow your business on Big W
Sell on the Big W marketplace with compliant item setup, real-time inventory, order routing and on-time tracking from one platform. Willowcommerce connects your catalog, inventory, orders and shipping to Big W so you can scale without extra work.
Everything you need to sell on Big W
Listings & catalog
Publish and update Big W products from one catalog with UPC/GTIN checks, variants and attribute mapping.
Real-time inventory sync
Only changed stock levels are pushed to Big W, across every warehouse, so you avoid overselling.
Order management
Big W orders flow in automatically and are routed to the right warehouse.
Shipping & tracking
Rate shop, print labels and send tracking back to Big W on time.
Fees & payouts
See Big W fees and payouts against each order wherever Big W provides the data.
Performance insights
Sales, top products and profit by SKU across Big W and your other channels.
Multi-warehouse & 3PL
Fulfil from your own warehouses, a 3PL or both from one inventory pool.
Secure connection
Connects through Big W's official integration where available, with guided onboarding.
Get started in 3 steps
Set up your Big W account
Have an active Big W seller account ready.
Connect Willowcommerce
Link Big W in minutes — no code required.
List, sell and ship
Publish products, sync inventory and fulfil orders from one place.
What is the Willowcommerce Big W integration?
Willowcommerce (formerly GBCommerce) is multichannel eCommerce software for sellers, brands and 3PLs. Its Big W integration keeps products, inventory and orders in sync, buys discounted shipping labels and uploads tracking automatically — alongside Amazon, Walmart, eBay, Shopify, TikTok Shop and 80+ other channels.
What's included
- Item setup mapped to Big W category requirements
- Orders acknowledged and routed within retailer SLAs
- Inventory shared with every other Australia channel
- Carrier-compliant labels and tracking uploaded on time
Big W integration FAQ
Does Willowcommerce integrate with Big W?
Yes. Willowcommerce connects to Big W to sync products, inventory and orders, print shipping labels and send tracking back automatically.
How does inventory sync to Big W?
Whenever stock changes in any of your warehouses, the new available quantity is pushed to Big W, helping prevent overselling. Unchanged quantities are not resent.
Can I manage Big W alongside Amazon, Walmart and Shopify?
Yes. Big W runs from the same catalog and inventory pool as Amazon, Walmart, eBay, Shopify, TikTok Shop and 80+ other channels.
Is Big W available outside Australia?
Willowcommerce supports sellers in multiple countries. Where Big W operates in other countries, those stores can run side by side in the same account.
Why sellers choose Willowcommerce for Big W
- One inventory pool across Big W, Amazon, Walmart, Shopify and more
- Discounted shipping labels with automatic tracking upload
- Multi-warehouse and 3PL ready
- Order and profit visibility per SKU