Demystifying the Walmart Seller API: What You Need to Know

Jamie Royce


October 26 2023


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Walmart, one of the world’s largest retailers, offers powerful APIs for sellers and developers to connect and enhance their operations.  While the Walmart Seller API may not be the most simple thing to navigate and integrate, the team at MindCloud are here to give you a summary on it and why integrating it can help enhance your business. 


Does Walmart have an API for products?

Yes, Walmart provides APIs that allow developers and sellers to access various data related to products, such as product details, pricing, inventory, and more. These APIs enable integration with Walmart’s e-commerce platform.


How do I get an API for Walmart?

Getting access to Walmart’s APIs involves a few steps:

  1. Register for API Access
    Before you can start integrating Walmart APIs, you’ll need to sign up for access. Visit the Walmart Developer Portal and follow the registration process.
  2. Obtain API Credentials
    After registration, you’ll receive API credentials, including an API key and a secret key. These are essential for authenticating your requests.
  3. Choose Integration Method
    Walmart provides various integration methods, such as RESTful API or SOAP. Choose the one that aligns with your systems and development capabilities.
  4. Develop Your Integration
    Work with your development team to build the integration, ensuring it covers the specific features you need.

Is the Walmart Seller API free?

Walmart offers access to its Seller API, but it’s important to note that there may be associated costs, especially for high-volume usage. It’s advisable to review Walmart’s pricing and terms of use to understand any fees or limitations.

Are APIs required to sell on Walmart?

While APIs are not strictly required to sell on Walmart, they are highly recommended for efficient and scalable operations. APIs enable automation of processes like order fulfillment, inventory management, and product listing updates, making it easier to manage your Walmart store.


Key Benefits of Walmart API Integration

Integrating Walmart APIs into your e-commerce operations can offer a multitude of advantages that can significantly impact your business:

1. Streamlined Operations

Automate processes like order fulfillment: By integrating with Walmart’s API, you can automate essential tasks such as order processing, tracking, and shipping. This automation reduces manual effort, minimizes errors, and ensures orders are fulfilled quickly and accurately.

Inventory Management: The API allows you to sync your inventory with Walmart’s platform in real-time. This ensures that your product listings are always up to date, reducing the risk of overselling or stockouts.

Pricing Updates: Dynamic pricing is crucial in e-commerce. With API integration, you can adjust prices based on market trends, competitor pricing, and other factors, helping you stay competitive and maximize profit margins.

2. Real-time Data

Access up-to-date product information: Walmart’s API provides real-time access to product data. This means you can instantly retrieve product details, including descriptions, images, and specifications, ensuring that your listings are always accurate and attractive to potential customers.

Stock Levels: Knowing your stock levels in real-time prevents you from selling products that are out of stock. It also allows you to manage reordering efficiently to keep products available to customers.

Order Status: Keep your customers informed about their orders by retrieving real-time order status updates. This transparency enhances the customer experience and reduces support inquiries.

3. Enhanced Customer Experience

Improved Product Listings: Accurate and detailed product listings are essential for attracting and retaining customers. With the API, you can easily update product information, including images and descriptions, to provide customers with the most compelling and informative listings.

Availability: Real-time inventory updates ensure that products displayed on the Walmart platform are available for purchase. This reduces frustration for customers who may encounter “out of stock” messages.

Delivery Times: By automating order processing and shipping, you can provide more precise delivery estimates to customers. This level of transparency improves customer satisfaction and trust in your brand.

4. Increased Sales

Reach a Broader Audience: Walmart is a massive online marketplace with a vast customer base. Integrating with Walmart’s API allows you to tap into this audience, potentially expanding your customer reach significantly.

Sell More Efficiently: The automation and real-time data provided by the API enable you to operate more efficiently. This efficiency can lead to increased sales by reducing order processing times, minimizing errors, and optimizing pricing strategies.


How do I integrate the Walmart API?

For an in-depth look at how to integrate the Walmart API into your business take a look at this article we put together that covers how to use Walmart API Integration to Streamline Your E-Commerce Operations.  However, the major steps of the process are as follows:

  1. Register as a Walmart Marketplace Seller
    If you haven’t already registered as a seller on the Walmart Marketplace, you’ll need to create a seller account. Visit the Walmart Marketplace Seller Center and complete the registration process by providing all the necessary business and contact information.
  2. Access the Developer Portal
    Once you’re registered as a seller, log in to your Walmart Marketplace Seller Center account. Go to the Developer Portal section, where you can manage your API keys and access documentation.
  3. Create an Application
    Within the Developer Portal, initiate the creation of a new application to generate your API keys. Applications are essential for authenticating and managing your API interactions. Fill in relevant details such as the application’s name, purpose, and scope.
  4. Generate API Keys
    Once you’ve created the application and chosen the desired APIs, the Developer Portal will generate a set of API keys for your application. These keys consist of an API Key ID and an API Secret Key. It’s crucial to treat these keys as confidential, as they are used to authenticate your requests. (Refer to the video below for additional details.)
  5. Implement API Integration
    Armed with your API keys and documentation, you can commence integrating your systems with Walmart’s APIs. Follow the provided documentation and coding guides to make authenticated requests, retrieve data, and send updates to the Walmart Marketplace.
  6.  Deploy
    Before deploying your integration in a live environment, conduct comprehensive testing in a controlled setting to ensure that your integration functions as expected and adheres to Walmart’s guidelines.


Harnessing the Potential of the Walmart Seller API

Integrating the Walmart Seller API and Walmart API into your e-commerce operations can be a game-changer for your business. It streamlines processes, enhances customer experience, and opens up new opportunities for growth. By following best practices and staying up-to-date with Walmart’s API offerings, you can stay ahead in the competitive e-commerce landscape.

Need more help with integrating the Walmart API into your business?  Talk to the team at MindCloud and have all of your questions answered:


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