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Unify Your eCommerce Operations: Amazon Fulfillment & Walmart Marketplace Integration

Automate order fulfillment, synchronize inventory in real-time, and streamline logistics across two of the largest retail channels with our AI-powered iPaaS.

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The Challenge

The Challenge of Siloed Operations Across Amazon and Walmart

Managing sales and fulfillment across both Amazon Fulfillment and Walmart Marketplace manually creates significant operational bottlenecks, leading to inefficiencies, errors, and lost revenue. Businesses struggle to maintain accurate data, leading to customer dissatisfaction and missed growth opportunities.

  • Manual order entry from Walmart to Amazon Fulfillment is time-consuming and error-prone.
  • Inaccurate inventory synchronization leads to overselling on one platform while stock sits idle on another.
  • Delayed shipment updates result in poor customer experience and higher inquiry volumes.
  • Complex financial reconciliation due to disparate data from two distinct marketplaces.
  • Lack of a unified view of product data, pricing, and promotions across channels.
  • Inefficient returns processing causes delays in refunds and inventory restocking.
Integration Diagram
Solution Illustration
The Solution

Seamless Automation: The Amazon Fulfillment & Walmart Marketplace Integration Solution

Our iPaaS-powered solution provides a centralized platform to connect Amazon Fulfillment and Walmart Marketplace, automating critical workflows and ensuring real-time data synchronization. Move beyond manual tasks and unlock efficiency, accuracy, and scalability.

  • Bidirectional Order Synchronization
  • Real-time Inventory Updates
  • Automated Shipment & Tracking Notifications
  • Streamlined Product Listing & Pricing Management
  • Efficient Returns & Refunds Processing
Implementation Timeline

Go live with Amazon Fulfillment + Walmart Marketplace in as little as 2–4 weeks.

A proven, repeatable implementation approach that minimizes risk while getting your team to value quickly.

1

Access Enabled

Secure connections established to both Amazon Fulfillment and Walmart Marketplace, with credentials and environments confirmed.

2

Configuration & Mapping

Field mappings, business rules, and workflows configured using visual tools and pre-built templates.

3

Go Live

Launch production-ready integration with monitoring, alerting, and support in place—typically within 2–4 weeks.

Time to Value

2–4 weeks

Typical implementation window from access granted to production go-live for most Amazon Fulfillment + Walmart Marketplace deployments.

Project Phases

Discovery
Configure & Map
Validate
Launch

Engagement Model

Guided by Clarity experts with your team involved at key milestones.

Comprehensive Solution Details

  • Bidirectional Order Synchronization
  • Real-time Inventory Updates
  • Automated Shipment & Tracking Notifications
  • Streamlined Product Listing & Pricing Management
  • Efficient Returns & Refunds Processing
  • Comprehensive Error Handling & Monitoring

Deep Dive: Integration Architecture & Data Flow

Our iPaaS provides the central nervous system for connecting Amazon Fulfillment and Walmart Marketplace. It leverages a hybrid event-driven and polling strategy, robust API connectivity, and intelligent data transformation to ensure seamless, real-time data exchange.

Data Flow Steps

Connection & Authentication: Securely establish OAuth 2.0 connections to both Amazon SP-API and Walmart Marketplace APIs, managing tokens and credentials.

Event Listener/Polling: Configure iPaaS to listen for critical events (e.g., new Walmart orders) via webhooks where available, or intelligent polling with change detection for others (e.g., Amazon inventory summaries).

Data Ingestion: Retrieve raw data (e.g., Walmart `Order` JSON, Amazon `Shipment` XML/JSON) from respective platforms.

Data Transformation & Harmonization: Use visual mapping tools and AI-assisted transformations to convert data between Walmart's and Amazon's specific schemas to a canonical internal model, then to the target system's format.

Business Logic & Validation: Apply business rules (e.g., routing logic for fulfillment, pricing rules, data validation) to ensure data integrity and process compliance.

Data Outgestion: Push transformed and validated data to the target system's API endpoint (e.g., Amazon Fulfillment Outbound API, Walmart Inventory API).

Error Handling & Monitoring: Log all transactions, handle API errors with retries, alert on critical failures, and provide real-time dashboards for visibility.

Data Touchpoints

Walmart Marketplace: Order, Item (Product), Inventory, Price, Shipment, Return, Feed, Promotion.
Amazon Fulfillment: Order, OrderItem, Shipment, InventoryItem, Product, Return, PaymentTransaction, SellerAccount, FulfillmentCenter, ShippingAddress.

"Walmart Marketplace <-> iPaaS <-> Amazon Fulfillment. Orders flow from Walmart to iPaaS, transformed and sent to Amazon for fulfillment. Inventory updates from Amazon flow to iPaaS, then to Walmart. Shipment updates from Amazon flow to iPaaS, then back to Walmart."

Pricing

Simple, transparent pricing for Amazon Fulfillment + Walmart Marketplace.

Start with a single integration pair and scale as your business grows—without surprise fees or transaction penalties.

Connect™ Plan

Clarity Connect

$595 /mo

Billed annually • Includes one production integration pair

  • Unlimited transactions and API calls within fair-use limits.
  • Visual workflow designer and reusable mapping templates.
  • Monitoring, alerting, and access to Clarity’s support team.
View full pricing & options
Innovative & Robust

How Middleware Integration Works

Benefits of Integrating Amazon Fulfillment

Integrating Amazon Fulfillment fosters greater efficiency and data accuracy. Automate your critical business processes to deliver consistently outstanding results.

Hover over the steps on the right to see detailed integration points.
Data Mapping

Key Entities & Intelligent Mapping

Understanding how core business entities map between Amazon Fulfillment and Walmart Marketplace is crucial. Our iPaaS provides visual mapping tools and AI assistance to ensure accurate and consistent data flow.

Order

The central entity representing a customer's purchase.

Amazon Fulfillment Fields

amazonOrderId purchaseDate orderStatus buyerInfo fulfillmentChannel shippingAddress OrderItem[]

Walmart Marketplace Fields

purchaseOrderId customerOrderId orderDate orderStatus shippingInfo orderLines[] customerInfo

Mapping Notes

Walmart's `purchaseOrderId` and `customerOrderId` need to map to Amazon's `amazonOrderId`. `orderLines` from Walmart must be transformed into Amazon's `OrderItem` structure. Customer and shipping address details require careful mapping and validation.

Next Steps

See Amazon Fulfillment + Walmart Marketplace integration in action.

Explore a guided demo, start a sandbox integration, or speak directly with our solution architects about your specific use cases.

Start Free Trial Request Live Demo
Real-World Applications

Integration Use Cases

Explore how the integration behaves in real business scenarios, with clearly defined steps, outcomes, and execution patterns.

Walmart Order to Amazon FBA Fulfillment

Automate the entire order lifecycle from Walmart Marketplace to Amazon's FBA network. When a customer places an order on Walmart, the iPaaS instantly creates an FBA outbound shipment request, then syncs tracking and fulfillment status back to Walmart.

Integration Steps:

  1. 0 Walmart Marketplace: New Order (`purchaseOrderId`, `orderLines`, `shippingInfo`) received.
  2. 1 iPaaS: Captures order, validates data, transforms to Amazon Fulfillment's `CreateFulfillmentOrder` schema.
  3. 2 Amazon Fulfillment: `CreateFulfillmentOrder` (via `/fba/outbound/2020-07-01/fulfillments`) initiates FBA shipment.
  4. 3 Amazon Fulfillment: Provides `Shipment` details (tracking number, `carrierCode`, `shipDate`).
  5. 4 iPaaS: Captures Amazon shipment details, transforms, and updates Walmart Order (`fulfillmentStatus`, `trackingNumber`) via `/v3/orders` (PUT).
  6. 5 Walmart Marketplace: Customer receives shipping notification.

Business Outcome

Rapid, error-free order fulfillment, reduced operational costs, improved customer satisfaction through timely deliveries.

Frequency

Real-time, event-driven

Business Value

Key Integration Benefits

Discover the strategic advantages and business value of seamless integration between your systems.

Boost Operational Efficiency
Automate manual data entry and repetitive tasks across order processing, inventory updates, and fulfillment, freeing up valuable staff time.
Ensure Real-time Inventory Accuracy
Synchronize inventory levels bidirectionally in near real-time, preventing costly oversells on Walmart and optimizing stock utilization in Amazon Fulfillment.
Accelerate Order Fulfillment
Automatically route Walmart Marketplace orders to Amazon Fulfillment, ensuring faster processing and timely shipment updates back to Walmart for enhanced customer satisfaction.
Enhance Customer Experience
Provide customers with accurate order statuses and tracking information promptly, building trust and reducing customer service inquiries.
Streamline Financial Reconciliation
Automate the consolidation of sales, fees, and refunds from both Amazon and Walmart with your financial systems, simplifying accounting and reporting.
Gain Unified Business Insights
Centralize data from both marketplaces for comprehensive analytics, allowing for better strategic decision-making and performance optimization.
✨

Boost Operational Efficiency

80% Reduction in manual effort

📋 What You Get

Automate manual data entry and repetitive tasks across order processing, inventory updates, and fulfillment, freeing up valuable staff time.

💼 Business Impact

This benefit directly contributes to 80% improvement in Reduction in manual effort, enabling your team to focus on high-value strategic initiatives.

Technical Documentation

API Endpoints & Data Logic

Technical details for developers and architects.

Method Endpoint Purpose
GET /orders/v0/orders Retrieve order information.
POST /fba/outbound/2020-07-01/fulfillments Request FBA outbound shipments.
GET /fba/inventory/v1/summaries Retrieve detailed inventory summaries.
POST /reports/2021-06-30/reports Request various reports (settlement, inventory, order).
PUT /listings/2021-08-01/items/{sellerId}/{sku} Create/update product listings/pricing.

⚡ Transformation Logic

  • Field Mapping: Direct mapping of equivalent fields (e.g., Walmart `sku` to Amazon `sellerSKU`).
  • Data Type Conversion: Converting string dates to date objects, numeric strings to integers/floats.
  • Value Translation: Mapping status codes (e.g., Walmart 'Acknowledged' to Amazon 'Unshipped').
  • Conditional Logic: Applying rules based on data values (e.g., if `fulfillmentChannel` is FBA, route to Amazon Fulfillment Outbound API).
  • Data Enrichment: Adding missing data points by lookup or calculation (e.g., calculating sales tax, enriching product details from an ERP).
  • Aggregation/Splitting: Combining multiple Walmart order lines into a single Amazon `CreateFulfillmentOrder` request, or splitting Amazon reports into individual transactions.

🛡️ Error Handling

  • Walmart API rate limit exceeded: iPaaS queues and retries with backoff.
  • Invalid Amazon `sellerSKU` in an FBA request: iPaaS flags error, sends alert, quarantines order for manual correction.
  • Mismatched `orderStatus` during update: iPaaS logs conflict, applies defined resolution rule (e.g., 'Amazon status is definitive').
  • Data validation failure (e.g., missing postal code): iPaaS rejects message, sends alert, logs to dead-letter queue.
Support & Information

Frequently Asked Questions

Common questions about integration implementation, security, and best practices.

General FAQs

▸ What is the primary benefit of integrating Amazon Fulfillment and Walmart Marketplace?
The primary benefit is achieving real-time, bidirectional data synchronization for orders, inventory, and fulfillment status across both platforms. This eliminates manual data entry, reduces errors, prevents overselling, and accelerates the order-to-cash cycle, providing a unified operational view.

Workflows FAQs

▸ How does this integration handle order fulfillment from Walmart using Amazon FBA?
Our iPaaS solution automates this process. When a new order is placed on Walmart Marketplace, the iPaaS captures it, transforms the data, and automatically creates an FBA outbound shipment request within Amazon Fulfillment. Once Amazon ships the order, tracking and status updates are synced back to Walmart.

Inventory FAQs

▸ How does the iPaaS ensure real-time inventory synchronization between Amazon and Walmart?
The iPaaS employs an event-driven architecture. Changes in Amazon's available inventory (e.g., sales, returns) trigger immediate updates. The iPaaS processes these `InventoryItem` changes and pushes them to Walmart's `Inventory` API in near real-time, preventing oversells and ensuring accurate stock levels.

Technology FAQs

▸ Can I use low-code tools to customize my Amazon Fulfillment and Walmart Marketplace workflows?
Absolutely. Our modern iPaaS platform offers robust low-code/no-code development environments. Business analysts and operations teams can visually design, configure, and deploy complex integration workflows for both Amazon and Walmart without writing extensive code, significantly reducing IT dependency and accelerating automation.

Challenges FAQs

▸ What are the common challenges when integrating Amazon Fulfillment and Walmart Marketplace, and how are they addressed?
Common challenges include managing API rate limits, complex data transformations between disparate schemas, robust error handling for high-volume transactions, and ensuring real-time inventory accuracy. Our iPaaS addresses these with intelligent queuing/batching, visual mapping, AI-assisted error resolution, and event-driven architecture.

AI FAQs

▸ How does AI enhance Amazon Fulfillment and Walmart Marketplace integrations?
AI augments integrations by providing intelligent data mapping suggestions, automating exception handling (e.g., flagging suspicious orders or returns), detecting anomalies in inventory levels or sales patterns, and improving data quality through automated validation and enrichment. This leads to more proactive and efficient operations.

Security FAQs

▸ What security measures are in place for this integration?
We adhere to enterprise-grade security practices, including OAuth 2.0 for authentication, secure credential vaults for API keys/tokens, end-to-end encryption (TLS 1.2+ for data in transit, AES-256 for data at rest), least privilege access, and comprehensive audit trails. We are also compliant with major data privacy regulations like GDPR and CCPA.

Financial FAQs

▸ Is it possible to automate financial reconciliation for both Amazon and Walmart sales?
Yes. By integrating Amazon's settlement reports (via SP-API) and Walmart's financial data with your ERP or accounting system, an iPaaS can automate the parsing of sales, refunds, and fees, generating journal entries and reconciling transactions. This significantly speeds up the financial close process.
Pricing

Simple, transparent pricing for Amazon Fulfillment + Walmart Marketplace.

Start with a single integration pair and scale as your business grows—without surprise fees or transaction penalties.

Connect™ Plan

Clarity Connect

$599 /mo

Billed annually • Includes one production integration pair

  • Unlimited transactions and API calls within fair-use limits.
  • Visual workflow designer and reusable mapping templates.
  • Monitoring, alerting, and access to Clarity’s support team.
View full pricing & options
Next Steps

See Amazon Fulfillment + Walmart Marketplace integration in action.

Explore a guided demo, start a sandbox integration, or speak directly with our solution architects about your specific use cases.

Start Free Trial Request Live Demo