Expertise:

North America trading partner
Tirnav helps suppliers and logistics teams exchange purchase orders, acknowledgements, advance ship notices, invoices, and inventory updates with Costco. We manage the integration details so your team can meet partner requirements without adding manual work.
EDI connectivity and systems
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 Costco EDI through AS2, SFTP, API, or VAN to the ERP, WMS, 3PL, or backend systems you already use.
Secure B2B connectivity commonly used for EDI trading partners.
Secure file-based EDI exchange for ERP, WMS, warehouse, and 3PL integrations.
Connect EDI workflows with modern ERP, ecommerce, and custom applications.
Integrate with existing Value-Added Network environments where required.
Support legacy or partner-specific file transfer workflows with secure validation and monitoring.
Secure automotive and cross-border file transport for EDIFACT partner workflows.
Support controlled file-based workflows with validation, acknowledgements, and monitoring.
Connect Costco EDI through AS2, SFTP, API, or VAN to the ERP, WMS, 3PL, or backend systems you already use.
Integration architecture
A simple view of how partner messages move through Tirnav before reaching your ERP, warehouse, finance, or logistics systems.
Trading partner

Costco
Exchanges order, shipment, inventory and invoice data with your business systems.
Integration layer
Your systems
Connectivity: AS2 · SFTP · API · VAN · FTP/FTPS
Methods depend on partner requirements.
Integration capabilities
Translate Costco specifications into validated maps for your ERP, WMS, 3PL, or custom application, with accurate field-level transformation.
Connect Costco EDI with Shopify, Odoo, Salesforce, Xero, QuickBooks, SAP, NetSuite, and custom systems without rebuilding your order-to-cash workflow.
Identify missing data, invalid acknowledgements, shipment exceptions, and invoice risks before they become compliance issues or payment delays.
Start with Costco and extend the same monitored integration foundation to Amazon, Walmart, Target, Wayfair, and other trading partners.
EDI error handling
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.
Identify rejected documents, connectivity failures, missing acknowledgements, and data validation errors as they occur.
Show the failed transaction, partner rule, source field, and business impact so teams can act quickly.
Route issues to the right owner, support controlled retries, and prevent duplicate orders, shipments, or invoices.
Maintain an audit trail of corrections and recurring failures so mappings and workflows improve over time.
These messages move orders, fulfilment, inventory, and payment data between Costco and your business systems.
Receive and validate Costco purchase orders in your operational system.
Return accurate confirmations for accepted, changed, or rejected orders.
Send shipment and carton details before goods reach the warehouse.
Automate invoice creation from fulfilled orders and shipment data.
Keep partner-facing inventory and availability data current.
Confirm that inbound EDI messages were received and validated.
Explore more partner integrations
Review Costco requirements and your current order-to-cash workflow
Map and connect your ERP, WMS, 3PL, or custom platform
Test transaction sets and exception scenarios with your trading partner
Launch with monitoring, alerts, and managed support
Fewer manual order-entry steps
Faster partner onboarding
Clearer exception resolution
Yes. We map Costco transaction requirements to custom ERPs, WMS platforms, 3PL systems, and standard products such as SAP and NetSuite.
The integration can cover common retail documents such as 850, 855, 856, 810, 846, and 997, subject to your Costco trading-partner requirements.
Yes. We support implementation testing, production monitoring, error handling, and ongoing changes as your partner requirements evolve.
Yes. Tirnav can connect Costco 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.
Explore Tirnav's full EDI integration service.
EDI integrations by platform
Tirnav also connects EDI workflows with Salesforce, Shopify, SAP, Microsoft Dynamics, WMS, 3PL and other business systems.
Bring trading-partner orders and EDI visibility into Salesforce.
Bring retail EDI into your NetSuite workflow.
Connect wholesale EDI orders to Shopify operations.
Connect retail EDI with your QuickBooks accounting.
Connect Business Central orders to retail-ready shipments.
Connect Odoo sales, inventory, and accounting through EDI.
Connect SAP Business One to your retail trading partners.
Connect enterprise EDI to SAP S/4HANA processes.
Connect Dynamics 365 operations to enterprise EDI.
Connect Acumatica distribution workflows to retail EDI.
Build an EDI connection around your Sage product.
Connect ERPNext documents to retail EDI workflows.
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