ERP and E-commerce Integration: Keep Catalog, Prices, Stock, and Orders in One Flow
An e-commerce integration fails when it is treated as a one-time data export. The useful model is an operating flow: the website shows the commercial data customers need, while orders arrive in a form that sales, warehouse, and finance teams can actually process.
Start with the source of truth
Before selecting endpoints or an integration platform, decide who owns each field. In most commercial setups, the back office owns the product record, price logic, warehouse availability, VAT, and order execution; the website owns the storefront experience.
This avoids a common failure mode: an online team changing a price, a warehouse team changing availability, and customer service discovering the conflict after an order has been placed.
The minimum exchange that changes daily work
A practical first release normally covers catalog changes, the relevant channel price, availability by warehouse, structured customer records, and sales orders. It should also return the order status so buyers and customer service do not work from separate assumptions.
For B2B, include the commercial context that changes the transaction: legal entity, delivery address, currency, VAT, price type, and payment conditions. For B2C, keep the same discipline around delivery details and return traceability.
Launch the costly mismatch first
Do not wait for a perfect omnichannel program. Start with the mismatch that causes the most manual work or customer-facing errors: stock shown online, B2B prices, orders re-entered by hand, or missing post-purchase status.
Once the core path is stable, add a second website, marketplace, or delivery channel using the same data ownership rules.