Automated 3-Way PO & Invoice Matching Powered by Cogential IT LLC

Drive Total Supply Chain Transparency with ATG Stores EDI

Power your retail order-to-cash cycle for ATG Stores with automated EDI integration that connects your ERP to their storefront systems. We exchange purchase orders, invoices, acknowledgments, and advance ship notices automatically, so orders ship faster and payment cycles shorten. Stay compliant with ATG Stores routing guidelines and minimize chargebacks or dock delays. Our turnkey service and 24-hour support team handle the EDI complexity for you.

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4.7/5 109+ Verified Client Reviews

Proven EDI Compliance

Integrate with Any ERP SystemCustom Coded APIsDual-Mode Xref EngineAuto Pick & Pack 856 ASN

Cogential IT LLC Certified EDI Partner ISO 27001 Compliant

Index Directory

Explore Content

01 EDI Definition & Overview 02 Integration & Architecture 03 Supported EDI Documents 04 Barcode Labels & Packing Slips 05 Operational Pressure Points 06 ERP & System Integrations 07 Compliance & Onboarding 08 Frequently Asked Questions

Zero-Click Definition

What is ATG Stores EDI?

ATG Stores EDI is the structured electronic exchange of retail trading documents between suppliers and ATG Stores, covering purchase orders, acknowledgments, shipment notices, and invoices. It enforces retailer-specific mapping rules, validates every segment against compliance requirements, and synchronizes order-to-cash workflows directly with backend ERP systems through secure AS2 or SFTP communication channels.

EDI 810 Invoice EDI 850 Purchase Order EDI 855 Purchase Order Acknowledgment

Retail order-to-invoice compliance readiness

Validate purchase orders, acknowledgments, ship notices, and invoices against ATG Stores mapping rules before release.

Retail order-to-invoice compliance readiness

Sync order, shipment, and invoice data directly into your ERP to eliminate manual re-entry.

Retail order-to-invoice compliance readiness

Maintain stable AS2 and SFTP connections with managed certificates and continuous transmission monitoring.

CLOUD EDI PLATFORM

ATG Stores EDI Integration
& Compliance

ATG Stores built its name as a leading online destination for home improvement, lighting, and décor — and their vendor routing guide is engineered with the same precision. Every 850 purchase order, 855 acknowledgment, 856 ASN, and 810 invoice must flow seamlessly over AS2 or SFTP, wrapped in GS1-128 barcode compliance and branded DSV packing slips — or chargebacks start eating your margins. Keying those documents by hand is where good vendors bleed profit. Cogential IT's fully managed Cloud EDI platform takes the entire burden off your plate — pre-built ATG Stores mappings, a real-time Validation Engine, and a Reduced Chargebacks Assurance that turns EDI compliance from a threat into a competitive edge.

Pre-Transmission Validated Direct ERP Ingestion Dedicated Engineering SLA

ONE INTEGRATION · ENTIRE NETWORK X12 · EDIFACT

Your ERP

one REST API

CogentailIT

cloud EDI platform

Warehousing

940 · Warehouse Order

Freight

204 · Load Tender

Fulfillment

856 · Ship Notice

Suppliers

850 · Purchase Order

Retailers

850 · Purchase Order

Technical Architecture & Integration Engine

Engineered for Production

Reduced Chargebacks Assurance

Our proprietary Validation Engine scrubs every 850, 855, 856, and 810 against ATG Stores' routing guide before transmission — so bad pricing, missing segments, and late ASNs never reach their system, and compliance deductions never touch your P&L.

AS2 & SFTP, Fully Managed

Certificates, encryption, retries, and 24/7 monitoring of your ATG Stores connections are handled entirely by our integration team — your IT managers stay focused on growth, not EDI firefighting.

Complex Mapping, Pre-Built

ATG Stores' segment-level demands — from PO4 line-item detail on the 850 to SSCC carton hierarchy on the 856 — arrive pre-configured and mapped seamlessly into your ERP, WMS, or accounting platform. No IT team required.

Barcode & DSV Compliance, Built In

Generate GS1-128 compliant labels and branded, drop-ship-ready packing slips straight from the platform — no third-party label software, no manual rework, no rejected cartons at the receiving dock.

Direct ERP Integration · Flat File / REST / Webhook · Zero Rigidity

Operational Focus

Where does ATG Stores compliance usually get stuck?

Most ATG Stores rejections and chargebacks happen when mapping rules and daily operations are managed separately.

Why do ATG Stores purchase orders stall during onboarding?

Unmapped segments, missing identifiers, and untested acknowledgment rules delay first-order acceptance well beyond planned go-live dates.

What triggers ATG Stores ASN rejections and chargebacks?

Carton-level mismatches between shipped quantities, barcode labels, and ship notice data cause most fulfillment rejections.

How do invoice discrepancies delay ATG Stores payments?

Price, quantity, or unit-of-measure differences across orders, ship notices, and invoices hold payments until manually reconciled.

The Cogential IT Edge

Why Cogential IT Is the Right ATG Stores EDI Partner

We combine retailer-specific mapping expertise, prebuilt ERP connectors, and hands-on testing so your ATG Stores EDI goes live compliant and stays that way.

Retailer-Specific Mapping Library

Prebuilt ATG Stores maps cover purchase orders, acknowledgments, ship notices, and invoices, cutting configuration time and compliance risk dramatically.

Pretested ERP Connector Library

Native connectors for Epicor Kinetic, SAP S/4HANA, Dynamics 365, and more keep EDI data flowing without custom scripts.

Label-to-ASN Data Alignment

Barcode labels and packing slips generate from the same validated data driving your ship notice, eliminating carton mismatches.

Managed AS2 and SFTP

We handle certificates, endpoint setup, automatic retries, and round-the-clock transmission monitoring so connectivity never becomes your compliance bottleneck.

Guided Testing and Certification

Our team runs complete document testing with ATG Stores before go-live, catching rejection risks before they cost revenue.

24/7 Compliance Support

Dedicated EDI specialists monitor daily transactions and resolve mapping or communication issues before they interrupt your order flow.

Next Step

Ready to automate ATG Stores compliance?

Let our engineers own the mapping, testing, and monitoring while you focus on growing retail sales.

Launch ATG Stores EDI ->

ATG STORES EDI DOCUMENT MATRIX

Review Core ATG Stores EDI Documents

Understand each transaction set required for compliant ATG Stores trading.

DOCUMENT CONTROL

Retail EDI discipline means every document lands validated, on time.

850

Purchase Order Set 01 of 06

856

Ship Notice/Manifest Set 02 of 06

810

Invoice Set 03 of 06

6 Documents X12

850 01

Purchase Order

Opens the trading cycle; received, validated, and pushed directly into your ERP.

Workflow →

855 02

Purchase Order Acknowledgment

Confirms acceptance, changes, or rejection of each order before fulfillment planning begins.

Workflow

856 03

Ship Notice/Manifest

Announces shipment contents, cartons, and timing so ATG Stores can receive efficiently.

Workflow →

810 04

Invoice

Closes the cycle with billed quantities matched against orders and ship notices.

Workflow →

860 05

Purchase Order Change Request - Buyer Initiated

Carries buyer-initiated order updates that must sync instantly with ERP demand planning.

Workflow →

846 06

Inventory Inquiry/Advice

Reports current stock positions so replenishment decisions reflect real available inventory levels.

Workflow

JSON PAYLOAD 0 ERRORS

2 "interchange_header": {

3 "sender_id": "COGENTAILIT",

4 "receiver_id": "ACME",

5 "usage_indicator": "I1",

6 "control_version": "00402",

7 "control_number": "000001"

8 },

9 "invoice": {

10 "number": "INV-2024-0847",

11 "date": "2024-06-14",

12 "terms": "NET 30",

13 "total": 12500.00

14 }

15}

PROBLEMS · 0 partner guide: ACME v2.4

No problems yet — hit "Run test" to validate the payload.

VALIDATION ENGINE

Validate ATG Stores
EDI in Minutes

Cogential IT's real-time Validation Engine tests every outbound document against ATG Stores' exact business rules before a single byte is transmitted — element formatting, segment sequencing, 855 acknowledgment timing, carton-level 856 detail, and GS1-128 barcode data. The moment something drifts out of spec, your team receives a plain-English alert pinpointing the exact field, so fixes happen in minutes instead of surfacing weeks later as chargeback disputes. The payoff: 99.9% data accuracy, on-time ASNs, and invoices that settle clean — no deductions, no disputes, no drama.

Catch Errors Before ATG Stores Does

Every document is validated in real time against ATG Stores' routing guide — syntax, segment order, and trading-partner-specific business rules — before transmission, not after the damage hits your remittance.
Plain-English Error Insights

Stop deciphering cryptic rejection codes. Our engine flags the exact element at fault and tells your team precisely how to fix it, collapsing exception handling from hours into minutes.
Label & Packing Slip Preview

Verify GS1-128 barcode formats and branded DSV packing slip data on-screen before anything prints — so every carton arriving at ATG Stores' dock, or a drop-ship customer's doorstep, scans perfectly the first time.
Total Transaction Visibility

Follow every 850 from 855 acknowledgment to settled 810 invoice on one live dashboard, with real-time status alerts and a complete audit trail across every ATG Stores exchange.

Connected EDI-to-ERP Integration Matrix

Connect ATG Stores EDI to your existing ERP systems

Cogential IT eliminates manual re-entry by moving ATG Stores documents straight into the ERP platforms your operations already run on.

Order → ASN → Invoice Built for retail compliance

Cogential IT

EDI + ERP Integration Hub

Maps ATG Stores trading documents into daily supplier workflows without disconnected spreadsheets, portals, or repetitive manual keying.

850 855 856

Epicor Kinetic Automate ATG Stores orders, ship notices, and invoices inside Epicor Kinetic.

SAP S/4HANA Flow ATG Stores purchase orders and invoices directly into SAP S/4HANA.

Infor CloudSuite Industrial / SyteLine Sync ATG Stores demand, shipments, and billing with Infor SyteLine.

Oracle SCM Cloud Push ATG Stores orders and ship notices into Oracle SCM Cloud workflows.

Microsoft Dynamics 365 Post ATG Stores orders, acknowledgments, and invoices straight into Dynamics 365.

SYSPRO Automate ATG Stores order-to-invoice processing across your SYSPRO environment.

Oracle JD Edwards Deliver ATG Stores EDI documents into JD Edwards without rekeying.

Plex Smart Manufacturing Platform Connect ATG Stores demand signals and shipments with Plex planning.

COMPLIANCE AND ONBOARDING

ATG Stores

How Cogential IT Delivers Compliant ATG Stores Onboarding

We validate every mapping, test each document with ATG Stores, and monitor go-live transactions until volumes stabilize.

Control Matrix

Mapping validation is the most critical onboarding milestone.

We translate ATG Stores specifications into tested maps, certify connectivity, and validate live documents before full production rollout.

850

855

856

810

850, 855, 856, 810 Your complete order-to-payment control sequence, tested end to end.

Partner Profile Setup

Document Mapping Build

Translate ATG Stores specifications into validated maps for every transaction set.

ERP Field Alignment

Map EDI segments to corresponding ERP fields so data lands correctly.

End-to-End Testing

Run complete test cycles covering orders, acknowledgments, ship notices, and invoices.

Label Certification

Verify barcode labels and packing slips against ATG Stores physical requirements.

Go-Live Monitoring

Watch first production transactions closely and resolve exceptions before they escalate.

Ongoing Compliance Reviews

Audit periodic specification updates and adjust maps before rejections ever occur.

ATG Stores EDI LAUNCH SUPPORT

Ready to simplify
EDI onboarding?

Cogential IT can help your team prepare ATG Stores purchase orders, ASNs, GS1-128 barcode labels, ERP integration, connectivity, testing, and go-live support — so compliance does not become an operations burden.

Talk about ATG Stores EDI readiness Book a Demo

Supported: 850 856 810 855

Any ERP Integration Custom Coded APIs Dual-Mode Xref 24-Hr SLA Support

READINESS PATH

Move from requirement review to monitored go-live

Review Requirements EDI document, label, and compliance specifications for ATG Stores.

Connect Systems ERP, warehouse, inventory, and accounting data integration.

Launch & Monitor Test, launch, monitor, and fix transaction exceptions with live SLA tracking.

Verified EDI Partner

Free checklist

Get the ATG Stores EDI Compliance Checklist

Use this checklist to prepare your ATG Stores EDI workflow before onboarding.

Document readiness checks ERP and system integration planning Testing and go-live support checklist Exception and acknowledgment monitoring

PDF

850 856 810

ATG Stores EDI Knowledge Base

Frequently Asked
Questions

Everything you need to know about trading with ATG Stores via EDI — from document requirements to compliance details.

DOCUMENT CONTROL

Every ATG Stores document, precisely routed

Schedule-driven EDI requires every document to land in the right system at the right time. Cogential IT guarantees seamless X12 integration with ATG Stores — from purchase orders to invoices, every transaction is validated, mapped, and delivered with precision.

810

Invoice

850

Purchase Order

855

Purchase Order Acknowledgment

856

Ship Notice/Manifest

Verified

01 How to become EDI compliant with ATG Stores?

Start by confirming you can exchange the four mandated transaction sets: EDI 850 Purchase Order, EDI 855 PO Acknowledgment, EDI 856 Advance Ship Notice, and EDI 810 Electronic Invoice. Register on the ATG Stores Supplier Portal / B2B Gateway to receive the latest implementation guide, then choose AS2 or SFTP for secure transport. Complete the test packet, validate segment-level accuracy, and request production certification before sending live transactions. If you run Acumatica, Zoho Inventory, or Salesforce Commerce Cloud, map these documents directly inside your ERP to avoid manual re-entry and reduce errors.

02 What are ATG Stores EDI 850 purchase order mapping requirements?

The EDI 850 Purchase Order from ATG Stores carries PO number, ship-to location, item details, quantities, unit of measure, requested delivery date, and pricing in PO1 and N1 segments. You must return an EDI 855 PO Acknowledgment confirming acceptance, rejection, or changes at the line level, typically within 24 hours. Map SAC, DTM, and PO4 carefully because ATG Stores Retail EDI compliance relies on exact unit packaging and date alignment. Before going live, test every 850 against the ATG Stores Supplier Portal / B2B Gateway validation rules and compare output to your internal sales order.

03 How to set up AS2, SFTP connection for ATG Stores EDI?

ATG Stores supports both AS2 Direct Secure Communication and SFTP, so pick the protocol that matches your infrastructure. For AS2, exchange public certificates, configure signing and encryption, set the trading partner URL from the ATG Stores Supplier Portal / B2B Gateway, and verify MDN receipts. For SFTP, use host key authentication, lock down allowed IP addresses, and transmit files to the designated inbound folder. Test connectivity with a small 855 or 810 sample before sending production data, and keep certificate expiration dates on a renewal calendar to avoid an unexpected outage.

04 Why must ATG Stores suppliers prevent ASN timing mismatches and segment-level errors?

Late or incorrect EDI 856 Advance Ship Notices break ATG Stores cross-docking and automated ASN verification workflows, which often leads to receiving delays or compliance penalties. Match the ASN shipment date, carrier SCAC, PRO number, and HL hierarchy to the physical load, and make sure each carton SSCC-18 in MAN segment corresponds to a real label. Validate REF, TD5, and LIN segments against the original EDI 850 before transmission. Run a pre-shipment reconciliation report inside your system so every ASN arrives before the truck reaches the ATG Stores distribution center.

05 When should ATG Stores trading partners migrate from manual Web EDI to integrated EDI without disruption?

Plan the migration during a low-volume window and run the old manual Web EDI portal in parallel until the first successful production cycle completes. Map the mandated 850, 855, 856, and 810 documents in your new environment, then send the full test packet through the ATG Stores Supplier Portal / B2B Gateway for certification. Keep PO acknowledgment and invoice workflows active on the legacy path as a backup until ATG Stores confirms production cutover. Document every segment change and train your customer service team so order questions do not fall through the cracks.

06 How does ATG Stores manage ongoing EDI specification updates and mapping changes after launch?

ATG Stores publishes guideline changes through the ATG Stores Supplier Portal / B2B Gateway, so assign one person to monitor notifications and version releases. When a mapping change arrives, update your 850, 855, 856, or 810 maps in a sandbox first, then re-run the relevant test packet before promoting to production. Maintain a change log that ties each update to a specification version and a go-live date. If you use Acumatica, Zoho Inventory, or Salesforce Commerce Cloud, schedule quarterly map reviews so platform upgrades do not silently break existing EDI segments.

07 Which GS1-128 pallet and case label rules apply to ATG Stores distribution center shipments?

Every pallet and case shipped to an ATG Stores distribution center must carry a GS1-128 Shipping Container Barcode, also known as UCC-128, with a unique SSCC-18 serial number. Include human-readable content such as ship-to, ship-from, PO number, item, quantity, and lot if required, and encode the SSCC in the GS1-128 barcode symbol. Place labels on two adjacent sides of each pallet and one visible side of each case. Scan-verify each SSCC against the EDI 856 MAN segment before the truck departs to prevent receiving mismatches and protect pallet integrity.

08 How to integrate ATG Stores EDI with Acumatica, Zoho Inventory, or Salesforce Commerce Cloud?

Build bi-directional flows that import EDI 850 Purchase Orders as sales orders and export EDI 855, 856, and 810 documents from shipment and invoice transactions. In Acumatica, use the native EDI or custom import scenarios to map PO1 and N1 segments to order and customer records. In Zoho Inventory, leverage API-based connectors or middleware to translate X12 into JSON payloads. In Salesforce Commerce Cloud, route orders through an integration layer that handles ANSI X12 translation and AS2 or SFTP transport. Always test end-to-end with the ATG Stores Supplier Portal / B2B Gateway before enabling automatic production posting.

09 What is the typical ATG Stores EDI onboarding timeline and certification process?

Most suppliers complete ATG Stores EDI onboarding in four to eight weeks, depending on map complexity and testing responsiveness. The timeline includes kickoff, protocol setup for AS2 or SFTP, mapping of 850, 855, 856, and 810, test packet submission, error correction, and production certification through the ATG Stores Supplier Portal / B2B Gateway. Expect to send sample 850, 855, 856, and 810 transactions and resolve any segment-level failures before receiving the go-live notice. Do not ship against live POs until ATG Stores confirms production certification, and keep optional 860 and 846 maps ready if your account requires them.

EXPLORE MORE

Trading Partners We Also Support

Explore EDI compliance guides for popular and high-demand trading partners in our integration network.

Sainsburys Grocery Ocado Retail Auchan Retail Waitrose Retail E.Leclerc Retail Intermarché Retail Aeon (Japan) Retail Costco Retail

Drive Total Supply Chain Transparency with ATG Stores EDI

What is ATG Stores EDI?

Retail order-to-invoice compliance readiness

Retail order-to-invoice compliance readiness

Retail order-to-invoice compliance readiness

ATG Stores EDI Integration& Compliance

Reduced Chargebacks Assurance

AS2 & SFTP, Fully Managed

Complex Mapping, Pre-Built

Barcode & DSV Compliance, Built In

Why do ATG Stores purchase orders stall during onboarding?

What triggers ATG Stores ASN rejections and chargebacks?

How do invoice discrepancies delay ATG Stores payments?

Retailer-Specific Mapping Library

Pretested ERP Connector Library

Label-to-ASN Data Alignment

Managed AS2 and SFTP

Guided Testing and Certification

24/7 Compliance Support

Ready to automate ATG Stores compliance?

Validate ATG StoresEDI in Minutes

EDI + ERP Integration Hub

Partner Profile Setup

Document Mapping Build

ERP Field Alignment

End-to-End Testing

Label Certification

Go-Live Monitoring

Ongoing Compliance Reviews

Ready to simplifyEDI onboarding?

Move from requirement review to monitored go-live

Get the ATG Stores EDI Compliance Checklist

Frequently Asked Questions

Every ATG Stores document, precisely routed

Trading Partners We Also Support

Let’s design your EDI & ERP workflow the right way.

See Our Platform in Action

ATG Stores EDI Integration
& Compliance

Validate ATG Stores
EDI in Minutes

Ready to simplify
EDI onboarding?

Frequently Asked
Questions