What are Walmart EDI Requirements?

Definition

Walmart EDI Requirements describe the electronic data interchange standards, transaction formats, connectivity methods, and supplier processes used to exchange structured business information with Walmart.com. Walmart's current supplier documentation identifies EDI as a data-transfer interface for drop-ship vendors and provides specifications and examples for the applicable transactions. :contentReference[oaicite:0]{index=0}

The requirements cover more than individual transaction files. Suppliers need compatible systems, accurate master data, consistent identifiers, appropriate connectivity, transaction validation, and controls that connect EDI activity with order fulfillment and financial workflows.

Table of Contents

Core Walmart EDI Transactions

Walmart's DSV EDI environment includes several transaction sets that support different stages of the supplier workflow. The 850 communicates purchase-order information, while the 855 acknowledges the order. The 846 communicates inventory information, the 856 communicates shipment details, and the 997 provides functional acknowledgments. :contentReference[oaicite:1]{index=1}

The purchase order provides the commercial reference for downstream fulfillment. Suppliers should maintain consistent purchase-order numbers, product identifiers, quantities, and line references as information moves between procurement, warehouse, EDI, and finance systems.

For organizations strengthening procurement controls, How to Set Up a Purchase Order System Step-by-Step provides educational context on requisitions, approvals, purchasing workflows, and procure-to-pay processes that establish reliable source information for EDI transactions.

Data Structure and Validation

Walmart publishes transaction-specific implementation specifications rather than relying solely on generic EDI standards. For example, its 850 specification defines required segments including ST, BEG, REF, CTP, CSH, DTM, N1, P01, and SE, with additional loops and fields used according to the transaction requirements. :contentReference[oaicite:2]{index=2}

The 856 Ship Notice/Manifest communicates shipment contents and related information such as order references, product descriptions, physical characteristics, packaging, marking, carrier information, and configuration. :contentReference[oaicite:3]{index=3}

  • Order data: Purchase-order references, line information, products, quantities, and applicable dates.
  • Inventory data: Item identifiers and available quantities transmitted through the applicable inventory transaction.
  • Shipment data: Products, quantities, packaging, carrier information, and shipment configuration.
  • Control data: Transaction identifiers and acknowledgment information used to track EDI processing.

Validation should confirm that EDI information agrees with the supplier's ERP, order-management, inventory, warehouse, and shipment records before the transaction enters the next business process.

Connectivity and File Requirements

Walmart documents several EDI connection methods, including AS2, VAN, SFTP, and solution-provider connections. The selected connection determines how files are transmitted between Walmart and the supplier. :contentReference[oaicite:4]{index=4}

For production EDI over SFTP, Walmart specifies file naming conventions containing identifiers, creation dates, creation times, and sequence information. Walmart also specifies segment, element, and field delimiters. These technical requirements allow receiving systems to identify and parse transmitted files consistently. :contentReference[oaicite:5]{index=5}

Suppliers should therefore maintain the required connection credentials, naming conventions, delimiters, identifiers, and transaction mappings together as part of the EDI operating configuration.

ERP Integration and Financial Workflows

Walmart EDI data should connect with the supplier's ERP and related business applications so that purchasing, inventory, fulfillment, invoicing, and accounting records remain synchronized. The chart of accounts is maintained inside the ERP rather than being an EDI transaction requirement, but ERP integration can use EDI-related transaction data to support appropriate accounting classification.

An EDI Invoice represents structured electronic billing information and can connect invoice records with the applicable purchase order and fulfillment activity. Walmart also provides supplier reporting for invoices sent through EDI, with invoice number, PO number, amounts, dates, status, and payment-related information among the available report attributes. :contentReference[oaicite:6]{index=6}

For tax controls, transaction locations and applicable jurisdiction rules should be evaluated for exemptions, nexus, overcharges, and other tax obligations. Drop-ship and cross-jurisdiction transactions can require particular attention to use tax treatment and supporting documentation.

Compliance, Acknowledgments, and Controls

Walmart's 997 Functional Acknowledgment identifies the transaction sets being acknowledged, including 846, 850, 855, 856, and other supported transactions. The acknowledgment communicates acceptance or rejection information and provides control data that helps suppliers monitor EDI processing. :contentReference[oaicite:7]{index=7}

An EDI Tax Filing workflow can use structured transaction information alongside applicable tax rules and source records to support tax reporting and reconciliation. The EDI transaction itself does not determine the underlying tax obligation, so tax treatment should remain governed by applicable jurisdictional requirements.

For teams evaluating compliance technology, Government Contract Management Software: Guide explains software features, compliance requirements, and selection considerations for government contract management. That subject is distinct from Walmart EDI, but the educational focus on structured compliance processes can help teams understand how documented requirements translate into controlled business workflows.

Payment and Operational Reconciliation

EDI records should preserve relationships between orders, shipments, invoices, and payments. An EDI Payment File supports structured payment information in a payment workflow, while Walmart's supplier reporting capabilities provide additional visibility into invoice and payment-related records. :contentReference[oaicite:8]{index=8}

A practical reconciliation process compares purchase-order references, fulfillment information, invoice numbers, amounts, and payment records. This creates a traceable transaction chain that supports vendor management, financial reporting, and cash-flow visibility.

Best Practices for Walmart EDI

  • Use Walmart's current supplier specifications as the authoritative source for transaction structures and field requirements.
  • Keep product, supplier, purchase-order, inventory, shipment, invoice, and accounting identifiers synchronized across systems.
  • Validate EDI files against ERP and operational records before transmission.
  • Monitor functional acknowledgments and maintain transaction-control records.
  • Keep connectivity settings, file naming conventions, delimiters, and mappings aligned with Walmart's current technical documentation.
  • Reconcile EDI activity with invoices, payments, tax records, and financial reporting data.

Summary

Walmart EDI Requirements encompass transaction standards, data structures, connectivity methods, acknowledgments, ERP integration, and financial controls used for electronic business-data exchange. Walmart's current documentation provides transaction-specific specifications for its DSV EDI environment, including 850, 855, 846, 856, and 997 transactions. Accurate mappings, validated data, controlled connectivity, and consistent financial records support efficient vendor management and reliable operational and financial reporting. :contentReference[oaicite:9]{index=9}