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    Back Market marketplace integration

    Grow your business on Back Market

    Connect Back Market to Willowcommerce and run listings, orders, inventory and fulfilment for United States from one place. Willowcommerce connects your catalog, inventory, orders and shipping to Back Market so you can scale without extra work.

    Back Market logo

    Everything you need to sell on Back Market

    Listings & catalog

    Publish and update Back Market products from one catalog with UPC/GTIN checks, variants and attribute mapping.

    Real-time inventory sync

    Only changed stock levels are pushed to Back Market, across every warehouse, so you avoid overselling.

    Order management

    Back Market orders flow in automatically and are routed to the right warehouse.

    Shipping & tracking

    Rate shop, print labels and send tracking back to Back Market on time.

    Fees & payouts

    See Back Market fees and payouts against each order wherever Back Market provides the data.

    Performance insights

    Sales, top products and profit by SKU across Back Market and your other channels.

    Multi-warehouse & 3PL

    Fulfil from your own warehouses, a 3PL or both from one inventory pool.

    Secure connection

    Connects through Back Market's official integration where available, with guided onboarding.

    Get started in 3 steps

    1

    Set up your Back Market account

    Have an active Back Market seller account ready.

    2

    Connect Willowcommerce

    Link Back Market in minutes — no code required.

    3

    List, sell and ship

    Publish products, sync inventory and fulfil orders from one place.

    What is the Willowcommerce Back Market integration?

    Willowcommerce (formerly GBCommerce) is multichannel eCommerce software for sellers, brands and 3PLs. Its Back Market 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

    • Catalog and price sync with Back Market
    • Orders imported automatically with address validation
    • Inventory shared with every other United States channel
    • Tracking pushed back as soon as the label prints

    Back Market integration FAQ

    Does Willowcommerce integrate with Back Market?

    Yes. Willowcommerce connects to Back Market to sync products, inventory and orders, print shipping labels and send tracking back automatically.

    How does inventory sync to Back Market?

    Whenever stock changes in any of your warehouses, the new available quantity is pushed to Back Market, helping prevent overselling. Unchanged quantities are not resent.

    Can I manage Back Market alongside Amazon, Walmart and Shopify?

    Yes. Back Market runs from the same catalog and inventory pool as Amazon, Walmart, eBay, Shopify, TikTok Shop and 80+ other channels.

    Is Back Market available outside United States?

    Willowcommerce supports sellers in multiple countries. Where Back Market operates in other countries, those stores can run side by side in the same account.

    Why sellers choose Willowcommerce for Back Market

    • One inventory pool across Back Market, Amazon, Walmart, Shopify and more
    • Discounted shipping labels with automatic tracking upload
    • Multi-warehouse and 3PL ready
    • Order and profit visibility per SKU