Walmart EDI Integration Services

Meet Walmart EDI requirements with automated purchase orders, acknowledgements, ASNs, invoices, inventory updates, and transaction monitoring.

Tirnav helps suppliers and 3PLs connect Walmart EDI workflows to the systems they already use. Our team handles mapping, partner testing, go-live support, and the operational visibility needed to keep transactions moving.

Expertise:

  • Walmart EDI integration
  • Retail X12 mapping
  • ERP and warehouse connectivity
  • ASN and invoice automation
  • Compliance testing
  • Monitoring and support

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Walmart logo

Worldwide trading partner

End-to-end Walmart EDI compliance connected to the systems you already use

Tirnav helps suppliers and 3PLs connect Walmart EDI workflows to the systems they already use. Our team handles mapping, partner testing, go-live support, and the operational visibility needed to keep transactions moving.

EDI connectivity and systems

Connect Walmart EDI with the systems you already use

Support the connectivity methods required by your ERP, 3PL, warehouse, and trading partners. Tirnav handles the transport, mapping, validation, acknowledgements, and monitoring in one integration layer.

Connect Walmart EDI through AS2, SFTP, API, or VAN to the ERP, WMS, 3PL, or backend systems you already use.

EDI Connectivity Methods

  • AS2

    Secure B2B connectivity commonly used for EDI trading partners.

  • SFTP

    Secure file-based EDI exchange for ERP, WMS, warehouse, and 3PL integrations.

  • API / Webhooks

    Connect EDI workflows with modern ERP, ecommerce, and custom applications.

  • VAN

    Integrate with existing Value-Added Network environments where required.

  • FTP / FTPS

    Support legacy or partner-specific file transfer workflows with secure validation and monitoring.

  • OFTP2

    Secure automotive and cross-border file transport for EDIFACT partner workflows.

  • Secure file exchange

    Support controlled file-based workflows with validation, acknowledgements, and monitoring.

ERP, WMS & 3PL Integrations

  • Shopify
  • Odoo
  • Salesforce
  • Xero
  • QuickBooks
  • SAP
  • NetSuite
  • Microsoft Dynamics
  • Custom ERP
  • WMS and 3PL platforms

Connect Walmart EDI through AS2, SFTP, API, or VAN to the ERP, WMS, 3PL, or backend systems you already use.

Integration architecture

How Walmart EDI connects with your business

A simple view of how partner messages move through Tirnav before reaching your ERP, warehouse, finance, or logistics systems.

Trading partner

Walmart

Exchanges order, shipment, inventory and invoice data with your business systems.

Integration layer

Tirnav EDI Integration

  • Data mapping
  • Message validation
  • Transaction monitoring
  • Error handling

Your systems

  • Shopify
  • Odoo
  • Salesforce
  • Xero
  • QuickBooks
  • SAP
  • NetSuite
  • Microsoft Dynamics
  • Custom ERP
  • WMS and 3PL platforms
Inbound: Walmart → Tirnav → Your ERP / WMS / 3PL
Outbound: Your ERP / WMS / 3PL → Tirnav → Walmart

Connectivity: AS2 · SFTP · API · VAN · FTP/FTPS

Methods depend on partner requirements.

Integration capabilities

Built for reliable partner operations

  • 01

    Data Mapping & Transformation

    Translate Walmart implementation guides into reliable maps for your ERP, WMS, 3PL, or custom platform.

  • 02

    Seamless ERP Integration & Scalability

    Connect Walmart EDI with Shopify, Odoo, Salesforce, Xero, QuickBooks, SAP, NetSuite, and existing fulfilment systems.

  • 03

    Proactive Risk Management

    Surface rejected orders, ASN mismatches, invoice exceptions, and delayed messages early with actionable status and ownership.

  • 04

    Scalable Multi-Retailer Operations

    Extend the same integration approach from Walmart to Costco, Amazon, Target, Wayfair, Best Buy, and other partners.

EDI error handling

Resolve EDI exceptions before they become business delays

A failed EDI transaction can delay fulfilment, create an invoice dispute, or affect a partner scorecard. Tirnav gives your team the visibility and controls to identify, resolve, and learn from every exception.

  1. 01

    Detect

    Identify rejected documents, connectivity failures, missing acknowledgements, and data validation errors as they occur.

  2. 02

    Diagnose

    Show the failed transaction, partner rule, source field, and business impact so teams can act quickly.

  3. 03

    Resolve

    Route issues to the right owner, support controlled retries, and prevent duplicate orders, shipments, or invoices.

  4. 04

    Learn

    Maintain an audit trail of corrections and recurring failures so mappings and workflows improve over time.

Supported EDI transaction sets

These messages move orders, fulfilment, inventory, and payment data between Walmart and your business systems.

  • EDI 850Most requested

    Purchase Order

    Import Walmart purchase orders into your order management workflow.

  • EDI 855

    Purchase Order Acknowledgement

    Confirm order acceptance and communicate changes accurately.

  • EDI 856Most requested

    Advance Ship Notice

    Send accurate shipment and carton information before delivery.

  • EDI 810Most requested

    Invoice

    Automate invoices using confirmed fulfilment and shipment data.

  • EDI 846

    Inventory Advice

    Share availability updates with Walmart and connected systems.

  • EDI 997

    Functional Acknowledgement

    Track document receipt and validation status.

From requirements to reliable production EDI

  1. 01

    Understand Walmart requirements and your current trading-partner workflow

  2. 02

    Map documents and connect your ERP, WMS, 3PL, or custom platform

  3. 03

    Test required transaction sets and exception paths

  4. 04

    Launch with monitoring, alerts, and managed EDI support

Fewer compliance issues

Faster order processing

Better shipment visibility

Walmart EDI FAQs

  • Yes. We connect Walmart transactions across 3PL, warehouse, ERP, and order-management workflows.

  • Common documents include 850, 855, 856, 810, 846, and 997, with the final scope based on your Walmart program.

  • Yes. We provide monitoring, troubleshooting, partner change support, and ongoing improvements after go-live.

  • Yes. Tirnav can connect Walmart EDI workflows with Shopify, Odoo, Salesforce, custom ERP platforms, WMS systems, and 3PL applications through APIs, middleware, or secure file-based connectivity.

  • Yes. We can connect order, fulfilment, shipment, and invoice data with Xero, QuickBooks, and other finance systems while preserving the required partner EDI format.

  • Yes. We assess the existing workflow, map the partner documents, run parallel testing where needed, and move production traffic with monitoring and support.

  • Timelines depend on document scope, partner certification, and the systems involved. Discovery gives you a practical implementation plan covering mapping, connectivity, testing, and go-live support.

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