Glossary
What is an ERP integration? E-commerce definition
June 4, 2026
ERP integration is the technical connection between your online store (often Shopify) and an ERP (Odoo, Sage, NetSuite, SAP…). It synchronizes orders, stock, products, customers, and shipments without manual re-entry. It is the bridge between web sales and the back office: the ERP executes, the integration transports the data.
Summary
Definition: connector, sync, middleware
Integrating an ERP with Shopify means setting up an automated data flow between two systems that do not natively speak the same language.
Components of a typical ERP integration.
In practice, several elements are worth noting. Connector here refers to a Shopify app, ERP module, or custom development. API here refers to the Shopify Admin API + ERP API to read and write data. Webhooks here refers to real-time events (order created, shipment updated). Mapping here refers to SKU matching, order statuses, warehouses, and currencies. Middleware / iPaaS here refers to Celigo, Make, or Boomi to orchestrate the entire flow without coding. Queue here refers to retry management if the API is unavailable.
Synchronization modes.
In practice, several elements are worth noting. Real-time here refers to order webhook → ERP in a few seconds. Scheduled batch here refers to export/import every 15 min, 1 hr, or once a day. One-off manual here refers to CSV (a transitional step, not a true sustainable integration).
Useful distinctions.
Several distinctions help avoid confusion. We must distinguish ERP integration vs. ERP : the integration is the connection; the ERP is the management software. We must distinguish ERP integration vs. catalog import : import can be a one-off CSV; ERP integration aims for a recurring, bidirectional flow. We must distinguish ERP integration vs. connected accounting (QuickBooks, Xero) : syncs invoices/light accounting, not full multi-warehouse stocks. We must distinguish ERP integration vs. marketplace integration : marketplace = sales channel; ERP = central back-office. We must distinguish ERP integration vs. EDI : EDI = B2B format for key accounts; often handled by the ERP. We must distinguish Shopify Flow : lightweight automations within Shopify, not a substitute for a full ERP integration.
Why ERP integration is important in e-commerce
Without reliable integration, teams export CSVs, copy orders, and waste hours. Stock discrepancies between Shopify and the warehouse cause overselling and customer service issues.
In practice, several elements are worth keeping in mind. Time savings here refers to web orders in the ERP automatically. Reliable stock here refers to syncing quantities to Shopify (inventory management). Smooth shipping here refers to tracking sent back to the customer (fulfillment). Up-to-date accounting here refers to invoices and credit notes without re-entry. Multi-channel here refers to site, retail, B2B, and marketplaces converging in the ERP. Scalability here means the volume of orders no longer blocks operations. Traceability here refers to sync logs and error auditing.
A poorly designed integration can be worse than manual export: duplicate orders, inconsistent stocks, overwritten products. The specifications (flows, source of truth, frequency) are just as important as the chosen connector.
Synchronized feeds
Most common Shopify ↔ ERP flows.
The process can be presented simply. The Orders step consists of Shopify → ERP (customer, lines, taxes, payment). The Inventory step consists of ERP → Shopify (availability by variant / warehouse). The Products step consists of ERP → Shopify or bidirectional (titles, SKUs, prices). The Fulfillments step consists of ERP → Shopify (fulfilled status, tracking number). The Returns / refunds step consists of both directions depending on the after-sales process. The B2B Customers step consists of price lists, payment terms.
Key decision: source of truth. Who is the authoritative source for inventory and price? ERP master (industrial logic) or Shopify master (simple DTC SME)? Document this before development.
Alternative SME architecture: Shopify remains inventory master; only orders and accounting are exported to Sage once a night. Less expensive, but higher inventory latency.
ERP integration on Shopify
Shopify does not provide a universal native ERP connector: the connection goes through third-party apps, an integrator, or custom development (Shopify.dev).
In practice, several elements are worth noting. Connector apps refers here to ERP-specific solutions (Odoo, NetSuite, SAP Business One…). Shopify Plus refers here to major projects, certified partners, and checkout scripts if needed. iPaaS refers here to Celigo, integrator.io for visual mapping. API + webhooks refers here to orders/create, fulfillments/create, inventory_levels/update. Bulk operations refers here to large catalog volumes via GraphQL API. Intermediate step refers here to QuickBooks / Xero for accounting before a full ERP.
Integration project checklist.
The process can be presented simply. The journey continues with List mandatory vs. optional flows. The journey continues with Align Shopify SKUs ↔ ERP references (1:1). The journey continues with Test in sandbox (test orders, returns, stockouts). The journey continues with Set up monitoring and alerts in case sync fails. The journey continues with Document batch frequency and acceptable delays. The journey continues with Train logistics, customer service, and accounting on the new flow.
The Shopify catalog export remains useful as a backup or during a migration phase, but it does not replace a continuous ERP integration for a growing store.
In brief
In practice, several elements are worth keeping in mind. ERP Integration here means = automated connection between Shopify (or another CMS) ↔ ERP. Synchronization of orders, inventory, products, shipments, and sometimes accounting. Via connector app, API, webhooks, or iPaaS. Source of truth and SKU mapping: the foundations of the project. Relevant as soon as manual exports and inventory discrepancies hinder growth.
Associated terms, FAQ, and going further
Associated Terms
In practice, several elements are worth keeping in mind. ERP : connected management system. Shopify API : technical exchange protocol. Catalog Import : product feed from ERP. Inventory Management : stock flow ERP → store. Order : central synchronized object.
FAQ
ERP integration and CSV export: what's the difference?
The CSV export is manual or scheduled without robust business logic. The ERP integration automates flows with mapping, webhooks, error management, and recurring sync. CSV is suitable for transition; integration is aimed for the long term.
How much does a Shopify ERP integration cost?
Varies depending on ERP, flows (orders only vs. bidirectional catalog), and provider: monthly app, iPaaS license, custom development. Request a detailed quote with scope, tests, and maintenance.
Shopify or ERP: which should be the stock master?
If complex logistics are involved (multi-warehouse, 3PL, production), the ERP is often the master. For simple DTC with a single warehouse, Shopify can remain the master with accounting export. Apply a single rule, documented and enforced everywhere.
Can we integrate Odoo and Shopify?
Yes: Odoo modules, Shopify apps, or API development. Odoo is common among French e-commerce SMEs. Validate the connector, the Odoo version, and support before signing.
Go further
In practice, several elements are worth keeping in mind. E-commerce integration guide (CRM, analytics, payments). Connect your tools for greater efficiency. Shopify integrations explained. Shopify and QuickBooks : accounting sync. Manage e-commerce inventory effectively. Back to the Qstomy e-commerce glossary.
Sources: Shopify.dev (Admin API), Shopify Help Center (Order management).
Enzo
13 May 2026
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