--- title: "Walmart EDI Integration | Stacksync" description: "Walmart EDI: 13 listed document types, channel comparison, record mapping and validation guidance for your integration." canonical: https://www.stacksync.com/edi/walmart last_modified: 2026-09-15 --- # *Walmart* EDI integration guide. Plan your Walmart EDI integration using 13 listed document types across 8 channels. Compare channels, map business records and test the operational handoff. [Book an EDI demo](https://www.stacksync.com/book-a-demo) Explore EDI documents | | | | | --- | --- | --- | | Listed documents | 13 | Partner document references | | Listed channels | 8 | Walmart US (Goods for Resale) → Walmart.com via Mercury Gate | | Implementation | Plan | Map, validate and reconcile | ## Adopted by fast-scaling companies moving mission-critical data in real time - Gladia Case study - IDEXX - MedPro Migrated from MuleSoft - Eko Case study - Ubicloud - Vimeo - Codility Migrated from Celigo - ACERTUS Migrated from Heroku Connect - Syringa Migrated from Matillion - Truora - Streaam Case study - SEAL SQ - Rinsed Migrated from Fivetran - IA Capital Group Case study - Meter - Golden Pear Funding Migrated from Celigo Implementation guide ## Walmart: EDI implementation plan Build a reliable EDI workflow for Walmart. Use 13 document types across 8 channels to plan record mapping, prevent duplicate processing and reconcile results in your business systems. The document list is based on the linked partner reference. Confirm the required messages, versions and directions for your account. ### Walmart: reconcile the ASN with item and shipment data Walmart’s public supply-chain packaging guide connects ASN preparation with item-file accuracy, testing and physical packaging. Use the guide for your business unit and complete the partner’s testing and production approval process. - Confirm that the supplier number and Retail Link account are associated correctly. - Reconcile GTINs with the Walmart item file before testing an ASN. - Follow the guide’s 856 and 824 testing process, then inspect both 997 and 824 responses during production verification. [Walmart supply-chain packaging guide](https://corporate.walmart.com/content/dam/corporate/documents/suppliers/requirements/supply-chain-packaging-guide.pdf) **Map records and test the business result** | Document or decision | Record and matching IDs | What to test | | --- | --- | --- | | [X12 824 Application Advice](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-824-application-advice) Listed on 4 channels: Walmart US (Goods for Resale), Walmart Canada, Sam's Club… | **application validation result** original document reference, error location and response status | Return an error for one line and associate it with that line rather than rejecting unrelated records. Keep application acceptance distinct from transport receipt and syntax acknowledgment. | | [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-856-ship-notice-manifest) Listed on 5 channels: Walmart US (Goods for Resale), Walmart Canada, Sam's Club… | **shipment notice (ASN)** shipment, order, package and item references | Reconcile item quantities through shipment, order and packaging levels against the physical shipment. Test split shipments for one purchase order and prevent the second ASN from replacing the first. | | [X12 864 Text Message](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-864-text-message) Listed on 2 channels: Walmart US (Goods for Resale), Walmart (Goods Not For Resale) | **business message** message reference, subject and related business document | Preserve line breaks and readable content in the receiving work queue. Test an urgent message linked to an order and assign a human owner instead of silently filing it. | | [X12 855 Purchase Order Acknowledgment](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-855-purchase-order-acknowledgment) Listed on 3 channels: Walmart US (Goods for Resale), Sam's Club, Walmart Drop Ship Vendor via SPS | **purchase-order response** original purchase order, response revision and order line | Test a partially accepted order with a backordered line and retain both outcomes. Do not treat a syntax acknowledgment as acceptance of price, quantity or delivery dates. | | [X12 810 Invoice](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-810-invoice) Listed on 5 channels: Walmart US (Goods for Resale), Walmart Canada, Sam's Club… | **accounts-receivable or accounts-payable invoice** invoice number, purchase order and invoice line | Reconcile line amounts, allowances, charges and tax to the invoice total. Submit the same invoice twice and verify that it cannot create a second payable. | | [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-850-purchase-order) Listed on 6 channels: Walmart US (Goods for Resale), Walmart Canada, Sam's Club… | **purchase order or sales order** buyer purchase order, order line and trading-party identifiers | Map buyer item numbers to seller SKUs and explicitly convert case quantities to the agreed unit. Resend one purchase order and confirm that only one sales order is created. | | [X12 816 Organizational Relationships](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale/x12-816-organizational-relationships) Listed on 1 channel: Walmart (Goods Not For Resale) | **organization and location hierarchy** organization, location and parent references | Move a store between parent organizations without changing its stable location identity. Test an inactive ship-to location referenced by an open order. | | [X12 860 Purchase Order Change Request Buyer Initiated](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-860-purchase-order-change-request-buyer-initiated) Listed on 1 channel: Walmart Drop Ship Vendor via SPS | **buyer order-change request** original purchase order, change revision and affected line | Apply a quantity reduction to the existing order instead of creating another order. Test a cancellation arriving after allocation or shipment and route it to an exception owner. | | [X12 846 Inventory Inquiry Advice](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-846-inventory-inquiry-advice) Listed on 1 channel: Walmart Drop Ship Vendor via SPS | **inventory availability record** item, location, quantity type and snapshot time | Distinguish on-hand, available and reserved quantities before publishing availability. Deliver an old snapshot after a new one and prevent stale stock from replacing current values. | | [X12 214 Transportation Carrier Shipment Status Message](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-214-transportation-carrier-shipment-status-message) Listed on 1 channel: Walmart.com via Mercury Gate | **shipment status event** shipment reference, event code, event time and location | Deliver an older status after a newer one and retain event history without moving the current status backward. Send one milestone twice and avoid duplicate customer notifications. | | [X12 204 Motor Carrier Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-204-motor-carrier-load-tender) Listed on 1 channel: Walmart.com via Mercury Gate | **load tender** load reference, pickup and delivery stop identifiers | Send an amended pickup appointment and retain the previous tender decision. Test a multi-stop load whose stop sequence differs from address sorting. | | [X12 990 Response To A Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-990-response-to-a-load-tender) Listed on 1 channel: Walmart.com via Mercury Gate | **load-tender response** original load reference, carrier and response | Associate acceptance with the correct version of the load tender. Test a declined tender and ensure it returns to dispatch for reassignment. | | [X12 210 Motor Carrier Freight Details And Invoice](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-210-motor-carrier-freight-details-and-invoice) Listed on 1 channel: Walmart.com via Mercury Gate | **freight invoice** carrier invoice, shipment reference and charge line | Separate line-haul, fuel and accessorial charges before comparing the invoice with the agreed rate. Test a second invoice for the same shipment and distinguish a revision from a duplicate. | ### Implementation steps 1. #### Choose the trading account and channel Choose among Walmart US (Goods for Resale), Walmart Canada, Sam's Club, Walmart (Goods Not For Resale) and the other channels listed below. Confirm the business unit and account before copying a mapping from another channel. 2. #### Map records and assign owners Start with application validation result, shipment notice (ASN), business message. For each document, assign the source system, destination record, stable identifiers and person responsible for exceptions. Agree whether a change updates an existing record or creates a new event. 3. #### Test a complete exchange Run a successful exchange and the failure cases in the mapping table. Track delivery, document validation and processing in your business system separately. Agree on the Walmart production handoff and save the results of each approved test. 4. #### Check results after launch Match records between systems using original document reference, error location and response status. Assign an owner to missing responses, duplicates and rejected records. Test recovery before enabling automatic retries. ### Go-live checklist - The required X12 documents, versions and sample files are agreed. - Sender and receiver IDs, test connections and production connections are agreed with the channel owner. - Delivery receipts, document validation and business responses have monitoring and a named owner. - Tests cover duplicates, partial processing and reconciliation with realistic business records. ### Related documents and resources - [Field mapping workbook](https://www.stacksync.com/blog/two-way-sync-field-mapping-workbook) - [Production readiness checklist](https://www.stacksync.com/blog/two-way-sync-production-readiness-checklist) - [Evaluate your integration requirements](https://www.stacksync.com/blog/integration-evaluation-worksheet) **Sources.** Directory data as of 2026-05-07. Sources reviewed 2026-09-15. - [X12 transaction-set directory](https://x12.org/products/transaction-sets) - [RFC 4130: AS2 and message receipts](https://www.rfc-editor.org/info/rfc4130/) - [Walmart document reference](https://www.orderful.com/network/walmart) - [Walmart supply-chain packaging guide](https://corporate.walmart.com/content/dam/corporate/documents/suppliers/requirements/supply-chain-packaging-guide.pdf) Document catalog ## EDI documents listed for Walmart 32 transactions across 8 channels. ### [Walmart US (Goods for Resale)](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale) 6 docs - [X12 824 Application Advice](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-824-application-advice) - [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-856-ship-notice-manifest) - [X12 864 Text Message](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-864-text-message) - [X12 855 Purchase Order Acknowledgment](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-855-purchase-order-acknowledgment) - [X12 810 Invoice](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-810-invoice) - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-850-purchase-order) ### [Walmart Canada](https://www.stacksync.com/edi/walmart/walmart-canada) 4 docs - [X12 824 Application Advice](https://www.stacksync.com/edi/walmart/walmart-canada/x12-824-application-advice) - [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-canada/x12-856-ship-notice-manifest) - [X12 810 Invoice](https://www.stacksync.com/edi/walmart/walmart-canada/x12-810-invoice) - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-canada/x12-850-purchase-order) ### [Sam's Club](https://www.stacksync.com/edi/walmart/sam-s-club) 5 docs - [X12 810 Invoice](https://www.stacksync.com/edi/walmart/sam-s-club/x12-810-invoice) - [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/sam-s-club/x12-856-ship-notice-manifest) - [X12 855 Purchase Order Acknowledgment](https://www.stacksync.com/edi/walmart/sam-s-club/x12-855-purchase-order-acknowledgment) - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/sam-s-club/x12-850-purchase-order) - [X12 824 Application Advice](https://www.stacksync.com/edi/walmart/sam-s-club/x12-824-application-advice) ### [Walmart (Goods Not For Resale)](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale) 4 docs - [X12 816 Organizational Relationships](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale/x12-816-organizational-relationships) - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale/x12-850-purchase-order) - [X12 864 Text Message](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale/x12-864-text-message) - [X12 810 Invoice](https://www.stacksync.com/edi/walmart/walmart-goods-not-for-resale/x12-810-invoice) ### [Walmart Produce Traceability (PTI)](https://www.stacksync.com/edi/walmart/walmart-produce-traceability-pti) 1 doc - [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-produce-traceability-pti/x12-856-ship-notice-manifest) ### [Walmart Drop Ship Vendor via SPS](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps) 7 docs - [X12 860 Purchase Order Change Request Buyer Initiated](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-860-purchase-order-change-request-buyer-initiated) - [X12 824 Application Advice](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-824-application-advice) - [X12 856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-856-ship-notice-manifest) - [X12 810 Invoice](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-810-invoice) - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-850-purchase-order) - [X12 846 Inventory Inquiry Advice](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-846-inventory-inquiry-advice) - [X12 855 Purchase Order Acknowledgment](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-855-purchase-order-acknowledgment) ### [Valued Walmart Import Suppliers](https://www.stacksync.com/edi/walmart/valued-walmart-import-suppliers) 1 doc - [X12 850 Purchase Order](https://www.stacksync.com/edi/walmart/valued-walmart-import-suppliers/x12-850-purchase-order) ### [Walmart.com via Mercury Gate](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate) 4 docs - [X12 214 Transportation Carrier Shipment Status Message](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-214-transportation-carrier-shipment-status-message) - [X12 204 Motor Carrier Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-204-motor-carrier-load-tender) - [X12 990 Response To A Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-990-response-to-a-load-tender) - [X12 210 Motor Carrier Freight Details And Invoice](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-210-motor-carrier-freight-details-and-invoice) Document flow ## Example document relationships for Walmart Where each document sits in its trading cycle, based on the 13 document types listed for Walmart across 8 channels. These are example relationships; the trading agreement determines the required sequence. ### Order-to-cash All example steps listed 1. [850 Purchase Order](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-850-purchase-order) 2. [855 Purchase Order Acknowledgment](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-855-purchase-order-acknowledgment) 3. [856 Ship Notice Manifest](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-856-ship-notice-manifest) 4. [810 Invoice](https://www.stacksync.com/edi/walmart/walmart-us-goods-for-resale/x12-810-invoice) ### Logistics All example steps listed 1. [204 Motor Carrier Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-204-motor-carrier-load-tender) 2. [990 Response To A Load Tender](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-990-response-to-a-load-tender) 3. [214 Transportation Carrier Shipment Status Message](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-214-transportation-carrier-shipment-status-message) 4. [210 Motor Carrier Freight Details And Invoice](https://www.stacksync.com/edi/walmart/walmart-com-via-mercury-gate/x12-210-motor-carrier-freight-details-and-invoice) ### Catalog & inventory Some example steps listed 1. 832 Price / Sales Catalog not listed for Walmart 2. [846 Inventory Inquiry Advice](https://www.stacksync.com/edi/walmart/walmart-drop-ship-vendor-via-sps/x12-846-inventory-inquiry-advice) 3. 852 Product Activity Data not listed for Walmart - 204 Motor Carrier Load Tender — is listed on 1 of Walmart's 8 channels - 210 Motor Carrier Freight Details And Invoice — is listed on 1 of Walmart's 8 channels - 214 Transportation Carrier Shipment Status Message — is listed on 1 of Walmart's 8 channels - 810 Invoice — is listed on 5 of Walmart's 8 channels - 816 Organizational Relationships — is listed on 1 of Walmart's 8 channels - 824 Application Advice — is listed on 4 of Walmart's 8 channels - 846 Inventory Inquiry Advice — is listed on 1 of Walmart's 8 channels - 850 Purchase Order — is listed on 6 of Walmart's 8 channels - 855 Purchase Order Acknowledgment — is listed on 3 of Walmart's 8 channels - 856 Ship Notice Manifest — is listed on 5 of Walmart's 8 channels - 860 Purchase Order Change Request Buyer Initiated — is listed on 1 of Walmart's 8 channels - 864 Text Message — is listed on 2 of Walmart's 8 channels Network context ## Walmart channel references for SPS Commerce and MercuryGate These network names are derived from the listed Walmart channels. Confirm routing, enrollment and contractual requirements for your account before selecting a connection method. ### SPS Commerce 94 channels · 74 trading partners in the catalog Leaving SPS Commerce? See how Stacksync compares as an [SPS Commerce alternative](https://www.stacksync.com/sps-commerce-alternative). Walmart channel on this network: Walmart Drop Ship Vendor via SPS Most frequently listed documents - 850 92 ch - 810 91 ch - 856 90 ch - 855 87 ch - 860 56 ch Also listed with SPS Commerce - [Sports Basement](https://www.stacksync.com/edi/the-sports-basement) - [Core-Mark (via SPS Commerce)](https://www.stacksync.com/edi/coremark-pfgcoremark) - [West Coast Kids](https://www.stacksync.com/edi/west-coast-kids) - [Ferguson Enterprises Inc.](https://www.stacksync.com/edi/ferguson-enterprises) - [Grove Collaborative, Inc.](https://www.stacksync.com/edi/grove) - [Superior Communications](https://www.stacksync.com/edi/superior-communication) ### MercuryGate 35 channels · 26 trading partners in the catalog Walmart channel on this network: Walmart.com via Mercury Gate Most frequently listed documents - 204 35 ch - 214 35 ch - 990 35 ch - 210 24 ch Also listed with MercuryGate - [Printpack](https://www.stacksync.com/edi/printpack) - [Walgreens (via Mercury Gate)](https://www.stacksync.com/edi/walgreens-via-mercury-gate) - [CVS Health via Mercury Gate](https://www.stacksync.com/edi/cvs-health-via-mercury-gate) - [MGMETWAR](https://www.stacksync.com/edi/mgmetwar) - [LXP (Armada) via Mercury Gate](https://www.stacksync.com/edi/lxp-armada-via-mercury-gate) - [Dohmen Logisctics Group](https://www.stacksync.com/edi/dohmen-logisctics-group) LEGACY EDI MIGRATION FUND ## Still with a legacy EDI vendor? Ask about a contract buyout. Stacksync can buy out your current contract with SPS Commerce, Cleo, TrueCommerce, or OpenText. Eligibility and terms are confirmed on a call. [Check your eligibility for the EDI migration fund](https://www.stacksync.com/book-a-demo) | | | | --- | --- | | | [Migrate from SPS Commerce](https://www.stacksync.com/sps-commerce-alternative) | | | Migrate from Cleo | | | Migrate from TrueCommerce | | | Migrate from OpenText | SECURITY ## Security teams trust Stacksync As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers. [Learn more about security](https://www.stacksync.com/security) | | | | --- | --- | | | SOC 2 Type II | | | ISO 27001 | | | HIPAA BAA | | | GDPR | | | CCPA | | | DPF US-EU-UK-CH | → SECURITY WITH BENEFITS ### SSO & SCIM Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more. ### Alerts Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options. ### Secure connection options Securely connects to your systems with: [OAuth 2](https://www.stacksync.com/security) [SSH Tunnelling](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ssh-tunneling) [SSL certificates](https://docs.stacksync.com/two-way-sync/connectors/postgres/authorize-postgres/amazon-rds/ensuring-secure-rds-connections-with-ssl-certificate) [IP Whitelisting](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ip-whitelisting) [VPN gateway](https://docs.stacksync.com/two-way-sync/legal/service-consumption-tables#:~:text=%E2%9C%93-,VPN%20gateway,-%2D) [VPC peering](https://www.stacksync.com/security) and more Related references ## Partners with related document listings Compare document requirements for similar business processes. [The Home Depot 48 docs · 11 channels](https://www.stacksync.com/edi/the-home-depot) [Target 23 docs · 4 channels](https://www.stacksync.com/edi/target) [Costco 55 docs · 12 channels](https://www.stacksync.com/edi/costco) [Shoe Carnival 10 docs · 2 channels](https://www.stacksync.com/edi/shoe-carnival) [United Natural Foods, Inc. (UNFI) 17 docs · 4 channels](https://www.stacksync.com/edi/united-natural-foods-inc-unfi) [Rivian Automotive, Inc 11 docs · 1 channel](https://www.stacksync.com/edi/rivian-automotive-inc) [Williams Sonoma 10 docs · 2 channels](https://www.stacksync.com/edi/williams-sonoma) [Staples Inc. 9 docs · 2 channels](https://www.stacksync.com/edi/staples) [KeHE Distributors 18 docs · 5 channels](https://www.stacksync.com/edi/kehe-distributors) [Aldi 16 docs · 2 channels](https://www.stacksync.com/edi/aldi) [Starbucks Coffee Company 14 docs · 3 channels](https://www.stacksync.com/edi/starbucks) [Sysco 11 docs · 2 channels](https://www.stacksync.com/edi/sysco) [White Cap 8 docs · 1 channel](https://www.stacksync.com/edi/white-cap) [Dillard's Department Stores, Inc. 30 docs · 3 channels](https://www.stacksync.com/edi/dillards-department-stores-inc) [JCPenney 25 docs · 20 channels](https://www.stacksync.com/edi/jcpenney) [AAFES (Army and Air Force Exchange Service) 15 docs · 3 channels](https://www.stacksync.com/edi/aafes-army-and-air-force-exchange-service) [Boscov's Department Stores 13 docs · 2 channels](https://www.stacksync.com/edi/boscovs-department-stores) [Dick's Sporting Goods 10 docs · 3 channels](https://www.stacksync.com/edi/dicks-sporting-goods) [Big Lots 7 docs · 2 channels](https://www.stacksync.com/edi/big-lots) [Nordstrom 28 docs · 8 channels](https://www.stacksync.com/edi/nordstrom) [Amazon 24 docs · 4 channels](https://www.stacksync.com/edi/amazon) [Browse the full directory](https://www.stacksync.com/edi) FAQ ## Walmart EDI questions ### Which EDI documents are listed for Walmart? X12 824 Application Advice; X12 856 Ship Notice Manifest; X12 864 Text Message; X12 855 Purchase Order Acknowledgment; X12 810 Invoice; X12 850 Purchase Order; X12 816 Organizational Relationships; additional documents are shown in the mapping plan. Confirm which documents, directions and versions apply to your account. ### How should I choose the Walmart EDI channel? The directory lists 8 channels for Walmart, including Walmart US (Goods for Resale), Walmart Canada, Sam's Club, Walmart (Goods Not For Resale). Match the channel to your actual trading relationship and compare its document list before reusing a mapping. ### Which identifiers should the Walmart mapping preserve? For X12 824 Application Advice, plan around original document reference, error location and response status. For X12 856 Ship Notice Manifest, use shipment, order, package and item references. Use the partner guide to locate these values and check their allowed formats. ### Does a successful EDI receipt mean Walmart accepted the business document? Track delivery, document validation and business processing separately. An AS2 message disposition notification (MDN) confirms transport receipt; an X12 997 or 999 reports technical validation. Use the agreed business response or reconciliation report to confirm that the order, shipment or invoice was processed. ### What should be tested before launching Walmart EDI? Return an error for one line and associate it with that line rather than rejecting unrelated records. Keep application acceptance distinct from transport receipt and syntax acknowledgment. Also test missing responses and recovery after a destination failure. Assign an owner to each failure and obtain partner approval before launch. ## Your last integration took months. Your next one takes a prompt. [Book a demo](https://www.stacksync.com/book-a-demo) [Get started](https://app.stacksync.com/)