Once your Walmart Marketplace account setup is complete (see the full onboarding walkthrough if you're not there yet), Seller Center offers nearly ten distinct ways to add items. Most of that list exists to handle one of two very different starting points: items that already exist somewhere in Walmart's catalog, and items that don't. Picking the method that matches your actual situation avoids duplicate work and reduces the odds of a listing getting stuck in review.
The core decision: does the item already exist on Walmart.com?
This is the first question to answer, and it's the same check described in How to Determine Whether a Product Already Exists in a Marketplace's Catalog. If it exists, you're adding an offer against an existing listing. If it doesn't, you're creating a new one — and creating a new listing against an item that already exists is one of the most common catalog mistakes new sellers make.
Methods for items that already exist on Walmart.com
| Method | What it does | Best for |
|---|---|---|
| Express setup | List up to 50 existing Walmart.com items at once by searching and selecting them. | A fast first catalog for sellers whose inventory overlaps heavily with items Walmart already sells. |
| Match Walmart's catalog | Match thousands of your items at once against Walmart's existing catalog to publish quickly. | Larger catalogs with significant overlap with Walmart's existing assortment. |
Methods for items that don't exist on Walmart.com yet
| Method | What it does | Best for |
|---|---|---|
| Add a single item: Full setup | Create one new listing from scratch using Walmart's Full Setup template. | A single new product, or testing the setup process before doing it at scale. See the full walkthrough. |
| Add multiple items: Full setup | The same Full Setup template, applied to several new items at once. | Launching a batch of genuinely new products together. |
| Upload a spreadsheet | Bulk-upload a catalog file to publish many items at once. | Sellers with an existing, well-structured product data file. |
| Import your catalog | Import items from another marketplace account you already run. | Sellers expanding from an existing marketplace presence — pairs with Express setup during onboarding. |
| Import your supplier catalog | Import items from your Supplier One catalog. | Walmart Drop Ship Vendors (DSV) and Warehouse suppliers specifically — not a general-purpose option. |
Invitation-only methods
Two methods aren't available to every seller — Walmart extends access by invitation:
- Virtual packs: create multiple pack-size variants of an item you already sell, with a bulk-purchase discount.
- Virtual bundles: combine complementary items from your existing catalog into a single purchasable offer, while each item keeps its own inventory and fulfillment. See Walmart Virtual Bundles and Virtual Packs for the full breakdown of how these work and the difference between them.
Additional paths: Solution Providers and the API
If you'd rather not do item setup manually at all, an approved Solution Provider can import and manage your catalog on your behalf, or you can integrate directly with Walmart's Marketplace API for programmatic catalog management at scale — see Understanding Marketplace APIs.
A practical decision path
- Check whether the item already exists on Walmart.com.
- If it exists and you have fewer than 50 to add, use Express setup. If you have a larger overlapping catalog, use Match Walmart's catalog.
- If it doesn't exist, use Full setup (single or multiple, depending on volume), or Upload a spreadsheet if your product data is already in a structured file.
- If you're migrating from another marketplace, start with Import your catalog (or Express setup during onboarding) rather than re-entering everything by hand.
- Revisit Virtual packs and Virtual bundles later, once you have an established catalog and want to increase average order value — these aren't day-one setup methods.