What Is Walmart Marketplace? A Complete Guide

WALMART MARKETPLACE

Written & peer reviewed by
4 Darkroom team members

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Walmart Marketplace is part of Walmart’s e-commerce platform that lets third-party sellers list and sell products on Walmart.com. It’s separate from the inventory Walmart sells directly, and it gives other businesses a way to reach Walmart’s online shoppers without building their own storefront from scratch.

This guide explains what Walmart Marketplace is, how it works, and what makes it different from traditional retail models. It also covers how to become a seller, what you can sell, and how logistics like shipping and returns typically work.

The goal is simple: give a clear explanation of Walmart Marketplace for anyone seeing the term for the first time.


What Is Walmart Marketplace

Walmart Marketplace is an online platform where third-party sellers list products on Walmart.com. These sellers are independent businesses that manage their own inventory, pricing, and fulfillment.

The marketplace launched in 2009 as part of Walmart’s larger e-commerce push. It allows customers to shop Walmart’s own products and approved third-party products in the same place.

Before a seller can list anything, Walmart requires an approval process. Once approved, sellers can upload product listings that appear alongside Walmart’s own items in search results and categories.

Walmart doesn’t own the products sold by marketplace sellers. Instead, it earns revenue by charging a referral fee on each sale. Fees vary by category and are typically between 6% and 20%.

Key features of Walmart Marketplace include:

  • Third-party platform: Independent businesses sell through Walmart.com

  • Integrated shopping: Marketplace items appear alongside Walmart’s own inventory

  • Seller management: Sellers control inventory, pricing, and fulfillment

  • Revenue model: Walmart earns via referral fees, not listing fees


Why Sell on Walmart Online Marketplace

Selling on Walmart Marketplace has a few advantages compared to other ecommerce platforms. Walmart.com draws a large customer base (often cited as over 100M monthly visitors), giving sellers a chance to reach high-intent shoppers without building their own traffic engine.

Unlike some marketplaces, Walmart doesn’t charge a monthly subscription fee for standard seller accounts. Instead, it’s a referral-fee model - meaning you pay a percentage only when you sell something.

Walmart’s approval process is also more selective than many platforms. That can feel like a barrier upfront, but for sellers who get approved, it often means less “open floodgate” competition than marketplaces that let almost anyone list.

Here’s a quick comparison:

Feature

Walmart Marketplace

Amazon Marketplace

eBay

Monthly Fees

None

$39.99/month

None

Referral Fees

6–20%

8–20%

10–12%

Approval Process

Strict

Moderate

Easy

Competition

Lower

High

Moderate

Customer Focus

Value-oriented

Convenience

Variety

Walmart’s customer base tends to be value-driven, and that affects what wins on the platform - pricing, shipping reliability, and clear product presentation matter a lot.

Marketplace products appear alongside Walmart’s own inventory, and while listings show who the seller is, the overall shopping experience is designed to feel unified.


How to Become a Marketplace Seller on Walmart

Becoming a Walmart Marketplace seller involves an application and onboarding process. Walmart reviews your business before giving you access to sell.

1. Application Requirements

To apply, you’ll typically need:

  • A registered business with a Tax ID (EIN for U.S. businesses)

  • Completed tax forms (W-9 for U.S. entities, W-8 for non-U.S. entities)

  • Information about your product catalog

  • Integration capabilities (how you’ll connect to Walmart’s systems)

  • Customer service plans (how you’ll handle questions and returns)

Walmart uses this information to decide if your business meets marketplace standards.

2. Approval and Partner Profile

After you submit your application, Walmart typically reviews it within 2–4 weeks. If approved, you’ll get access to Walmart Seller Center.

From there, you’ll complete your Partner Profile - company details, shipping policies, and return procedures. This is the information customers look at when they want to know who they’re buying from.

3. Product Listing Setup

Once your profile is complete, you can list products using one of three methods:

  • Direct API integration

  • Bulk file uploads (spreadsheets)

  • Third-party integration platforms

Listings need accurate identifiers like UPC or GTIN codes, and Walmart has clear requirements for product content (titles, images, descriptions, and category structure).


Key Steps to Sell on Walmart.com Marketplace

Once you’re approved, these are the main steps that typically determine whether you scale - or stall.

1. Decide Your Fulfillment Approach

Walmart Marketplace sellers usually choose between:

  • Self-fulfillment: You store inventory and ship orders yourself. More control, but you manage all logistics.

  • Walmart Fulfillment Services (WFS): You send inventory to Walmart fulfillment centers, and Walmart handles storage, packing, shipping, and returns. It comes with fees, but it can improve delivery speed and customer experience.

Many sellers start with self-fulfillment, then move some SKUs into WFS once they understand demand and shipping costs.

2. Set Up Competitive Pricing

Walmart’s marketplace is pricing-sensitive, and the platform uses automated systems to compare your prices with other retailers. If your pricing is consistently uncompetitive, your listings can lose visibility.

To stay competitive:

  • Research pricing for similar products on Walmart and other sites

  • Factor in referral fees (and fulfillment fees if using WFS)

  • Consider repricing tools if you’re in a competitive category

Pricing too low hurts margin. Pricing too high hurts visibility. The goal is a price that can win clicks and still make sense financially.

3. Optimize Your Listings for Search

Walmart’s search algorithm decides what shows up (and where). Listing optimization helps you surface for the searches that matter.

Strong listing optimization usually includes:

  • Relevant keywords in titles and descriptions

  • Complete and accurate specs/attributes

  • High-quality images that meet Walmart guidelines

  • Correct categorization in Walmart’s taxonomy

Listings that are clearer and more complete tend to perform better in both visibility and conversion.


Best Items to Sell on Walmart Marketplace

Some categories tend to perform especially well due to demand and shopper behavior on Walmart.com.

Common strong categories include:

  • Home & Kitchen: cookware, small appliances, bedding, storage

  • Health & Personal Care: vitamins, hygiene, OTC essentials

  • Electronics: accessories, headphones, peripherals

  • Baby & Kids: toys, clothing, baby supplies

  • Outdoor & Garden: tools, planters, lawn care

Products that often perform best usually have:

  • Clear use case and utility

  • Competitive pricing

  • Healthy margins after fees

  • Reasonable shipping costs compared to item value

  • Either recognizable brands or strong alternatives that feel trustworthy

Seasonal items can also do well when timing is right (school supplies late summer, holiday décor in fall/winter).


Handling Shipping and Returns on Walmart’s Marketplace

Shipping and returns matter a lot on Walmart Marketplace because they influence customer experience and seller performance metrics.

1. Walmart Fulfillment Services vs In-House Fulfillment

Feature

Walmart Fulfillment Services (WFS)

In-House Fulfillment

Storage Fees

Yes

No

Shipping Speed

2-day delivery

Varies

Returns Handling

Walmart handles

Seller handles

Customer Service

Walmart handles

Seller handles

Control

Less

More

WFS gives you Walmart’s logistics network, but you trade some control and take on additional fees. In-house fulfillment gives you control, but you’re responsible for everything end to end.

2. Managing Customer Returns

Walmart has a standard return policy sellers must follow (most items are eligible for return within 30 days).

One major feature is in-store returns. Customers can often return marketplace items at Walmart stores, which is convenient for shoppers. After the return is processed, the seller is notified and issues the refund.

For items not eligible for in-store returns, sellers provide return shipping options. Processing refunds quickly helps protect seller metrics and customer satisfaction.


Tips for Successful Walmart Selling

Success on Walmart Marketplace usually comes down to consistency: reliable fulfillment, competitive pricing, and strong product content.

1. Leverage Advertising Tools

Walmart offers ads to improve visibility, including Sponsored Products (CPC-based ads that appear in search results and product pages).

These ads can help:

  • Boost product visibility

  • Appear above organic results

  • Capture high-intent searches

Many new sellers start small, learn what converts, then scale budgets behind winning products and keywords.

2. Monitor Customer Feedback

Ratings and reviews shape performance. Walmart also tracks metrics like:

  • Average star rating

  • Review volume

  • Customer message response time

  • Order defects

  • On-time delivery

Responding quickly and resolving issues is one of the easiest ways to protect performance. Sellers with strong metrics may qualify for Walmart’s Pro Seller badge, which can help build trust.

3. Expand When Ready

Once you’ve built a stable foundation on Walmart’s U.S. marketplace, expansion options include:

  • Adding more categories

  • Using WFS for faster delivery

  • Exploring additional marketplaces (Canada, Mexico, and others)

International selling adds complexity - cross-border shipping, currency, and local compliance - so it’s usually a “phase two” move.


Frequently Asked Questions about Walmart Marketplace

How much does it cost to sell on Walmart Marketplace?
Walmart doesn’t charge monthly listing fees for standard accounts. Sellers pay a referral fee per sale, typically 6% to 20% depending on the category.

Is Walmart Marketplace different from Walmart.com?
Walmart Marketplace is a part of Walmart.com where third-party sellers list products alongside Walmart’s own inventory. Sellers manage their own listings and fulfillment.

How long does the Walmart Marketplace approval process take?
Approval usually takes 2–4 weeks, depending on the completeness of your application and business verification.

What are Walmart’s requirements for marketplace sellers?
Sellers need a registered business, valid tax information, accurate product data, reliable shipping practices, and responsive customer support.

Can international sellers join Walmart Marketplace?
Yes - sellers from select countries can apply, as long as they meet U.S. tax requirements and can consistently fulfill orders cross-border.