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See how XEDI connects suppliers to Costco

Costco suppliers use EDI to exchange retail orders, shipment updates and invoices accurately. XEDI helps suppliers connect Costco document flows with their operational systems and keep exceptions visible.

Overview

Getting started with Costco EDI

Purchase orders Order acknowledgements and responses Invoices Credit notes or adjustments where required Product, catalogue or stock data where required

Documents you can exchange

Purchase orders
Order acknowledgements and responses
Invoices
Credit notes or adjustments where required
Product, catalogue or stock data where required

Who it's for

Built for Costco suppliers

Whether you send a handful of orders a week or thousands a day, XEDI keeps your Costco trading accurate and hands-off.

Wholesale suppliers
Food and beverage suppliers
Consumer goods brands
Warehouse teams
Finance teams

In practice

Costco EDI overview

Costco EDI is the structured exchange of commercial documents between Costco and businesses working in warehouse-club retail and distribution-centre supply. The agreed document set starts with orders and invoices, with the operational emphasis on keeping order, fulfilment and finance data aligned.

A practical Costco integration should connect the agreed document set with the systems that process it. XEDI maps the agreed ANSI X12 messages into ERP, warehouse, accounting or API workflows, while validation and alerts help teams deal with exceptions before they affect delivery or payment.

Every document validated before it moves

XEDI checks each Costco order, despatch advice and invoice against the required format, so errors are caught before they reach your systems.

Onboarding

Costco supplier onboarding process

For Costco, onboarding starts with confirming the supplier relationship, document scope and connection route. XEDI then maps, tests and monitors the agreed workflow so teams can move from first order to stable live trading with clear ownership of exceptions.

01
Confirm the Costco supplier account, buyer contacts, delivery locations, identifiers and current document requirements.
02
Agree the Costco order, response and invoice scope for the trading relationship.
03
Map Costco message data to the supplier's ERP, warehouse, order-management and accounting systems.
04
Configure ANSI X12 validation, connection routing, exception alerts and user responsibilities in XEDI.
05
Complete the agreed Costco test transactions, checking mandatory references, product data, delivery details and invoice matching.
06
Monitor initial live transactions and resolve rejected, delayed or mismatched documents with the operational and finance teams.

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Detail

Everything about Costco EDI

Costco EDI message types

Costco message requirements depend on the supplier account and fulfilment route. These are the common ANSI X12 equivalents used to plan the order-to-invoice workflow; the shipping message is included when the agreed route requires it.

Message	Purpose	Direction
850	Purchase order with item, quantity, price, delivery location and requested delivery details.	Costco to supplier
855	Order acknowledgement or response used to confirm, reject or amend order lines before fulfilment.	Supplier to Costco
810	Invoice linked to the order, delivery and supplier references agreed with Costco.	Supplier to Costco
997	Application or functional acknowledgement used to confirm receipt or identify processing errors where supported.	Either direction

Costco EDI requirements

Costco requirements should be confirmed against the current agreement and test instructions. Planning should also account for the transport and validation controls used for warehouse-club retail and distribution-centre supply.

ANSI X12

Map the agreed Costco order, response and invoice messages in the ANSI X12 format used by the trading setup.

AS2 or managed connectivity

Use AS2, SFTP, a VAN or the connection method agreed with Costco, with secure routing and delivery-status monitoring.

Product and location references

Validate agreed product identifiers, pack data, ship-to or depot locations and supplier references before a document is sent.

Testing and go-live

Test the agreed Costco message set, resolve validation feedback and retain evidence that the connection is ready for live trading.

Common requirements & compliance

Common requirements

Costco supplier account, trading partner and buyer identifiers
Product identifiers, SKUs, GTINs, pack sizes and agreed item descriptions
Delivery, depot, warehouse or ship-to references
Invoice, tax, payment and remittance references
Agreed ANSI X12 message set and connection method
Test evidence for the agreed order and invoice flows

Compliance notes

Costco document requirements can vary by category, region, delivery route and fulfilment model.
Supplier, product, location and invoice references must match the trading agreement and test data.
Use pre-send validation and exception monitoring to reduce rejected Costco orders and invoices.

Costco ERP integration

Costco EDI integration connects supplier document flows with the systems teams use to process orders, allocate stock, ship goods and create invoices. XEDI can map the agreed Costco data into ERP, accounting, warehouse, ecommerce and API workflows.

SAP

Map Costco orders, shipment data and invoices into SAP workflows.

Oracle

Connect Costco EDI with Oracle Fusion order, fulfilment and finance processes.

Sage

Automate Costco order and invoice handling for Sage users.

Microsoft Dynamics

Route Costco EDI messages into Microsoft Dynamics sales, stock and finance workflows.

NetSuite

Connect Costco EDI with NetSuite order management, fulfilment and invoicing.

QuickBooks

Support Costco invoice and accounting workflows for QuickBooks users.

Why suppliers choose XEDI for Costco

Businesses choose XEDI for Costco EDI when they need a managed connection focused on keeping order, fulfilment and finance data aligned, with the agreed documents, validation rules, integrations and exceptions visible in one workflow.

Costco-specific onboarding for identifiers, document scope, testing and go-live planning.
Validation for Costco orders and invoices before documents are exchanged.
ANSI X12 mapping with ERP, accounting, warehouse, API, AS2 and VAN connectivity options.
Exception alerts and monitoring for failed, delayed or rejected documents.
A managed workflow that reduces manual re-keying while keeping procurement, operations and finance teams informed.

Supplier FAQ

Costco EDI FAQs

What is Costco EDI?

Costco EDI is the structured exchange of documents between Costco and its suppliers. It supports agreed workflows for orders, order responses, delivery information, invoices and related acknowledgements.

Can XEDI connect suppliers to Costco EDI?

Yes. XEDI can connect Costco EDI flows with supplier systems and automate the agreed ANSI X12 messages, subject to the account's document scope and testing process.

Which documents does Costco EDI support?

Every enriched XEDI partner page covers purchase orders and invoices. The wider Costco workflow can include order responses, credit notes, product information and acknowledgements where agreed.

Which EDI standard is used for Costco?

This Costco page is planned around ANSI X12. The exact version, subsets and message rules should be confirmed from the current trading agreement and test pack.

Can Costco EDI use AS2?

XEDI can support AS2 where it is the agreed Costco connection route, including certificates, encryption, signatures and delivery-status monitoring.

Can Costco EDI integrate with my ERP or accounting system?

Yes. XEDI can map Costco documents into supported ERP, accounting, warehouse, ecommerce and API workflows, including SAP, Oracle, Sage, Microsoft Dynamics, NetSuite and QuickBooks.

What should a Costco supplier prepare before onboarding?

Prepare supplier and product identifiers, delivery locations, tax and invoice details, the agreed message list, connection details and any testing instructions supplied for the account.

How long does Costco EDI onboarding take?

Timing depends on the supplier systems, agreed message set, data quality, testing scope and Costco onboarding process. Confirming scope early helps prevent avoidable delays.

Can XEDI help reduce Costco order and invoice errors?

Yes. XEDI can validate mandatory fields, map references consistently and surface exceptions before documents are exchanged, reducing avoidable corrections in Costco order and invoice workflows.

Do Costco supplier requirements vary?

They can vary by category, region, fulfilment model and delivery route. The current Costco agreement and test instructions should always take priority over a general integration plan.

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