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If you run an online store on Shopify and manage your operations in Acumatica, you already know the two systems do not talk to each other on their own. Orders pile up in Shopify, and someone has to get them into Acumatica. Inventory changes in Acumatica, but Shopify has no idea. Shipments go out, tracking numbers get generated, and customers wait while someone manually copies that information back into the storefront.
A proper Shopify to Acumatica integration removes all of that manual work. Orders flow from Shopify into Acumatica automatically, shipments and tracking flow back to Shopify, and both systems stay in sync without anyone touching a spreadsheet.
In this guide we explain why the integration matters, what it should actually do, and we include a full demo video showing the entire order-to-fulfillment flow from start to finish.
Why Shopify and Acumatica Need to Be Connected
Shopify and Acumatica each do their job extremely well, but they were built for different purposes. Shopify is your storefront, designed to sell. Acumatica is your ERP, designed to run the business behind the sale, including inventory, finance, purchasing, and fulfillment.
The problem is the gap between them. When those two systems are not connected, your team becomes the integration. Every order placed on Shopify has to be manually entered into Acumatica. Every inventory change has to be manually reconciled. Every shipment and tracking number has to be manually copied back to Shopify so the customer knows their order is on the way.
That manual process works when you are processing a handful of orders a week. It falls apart the moment your store starts to grow. Manual data entry introduces errors, fulfillment slows down, inventory counts drift out of sync, and customers are left without accurate order updates. What looks like a small operational inconvenience quietly turns into lost time, unhappy customers, and costly mistakes.
What a Shopify to Acumatica Integration Should Do
A complete Shopify to Acumatica integration is not just about pushing orders one way. It needs to keep both systems aligned in both directions.
Orders placed in Shopify should flow into Acumatica automatically as sales orders, complete with customer details, line items, quantities, and payment status. Inventory levels should stay consistent so you never oversell a product that is out of stock. And once an order is fulfilled in Acumatica, the shipment status and tracking number should flow back to Shopify automatically so the customer is updated without anyone lifting a finger.
This is exactly what Alluvia does. Alluvia keeps the full order lifecycle in sync end-to-end, from the moment an order is placed to the moment it ships and the tracking lands back in the customer’s inbox.
What About Acumatica’s Native Shopify Connector?
Acumatica offers a native Shopify connector, and for businesses with straightforward requirements it can be a solid starting point. It handles the core connection between the two systems, and plenty of companies use it successfully.
Where businesses tend to outgrow it is flexibility. As your operation grows, you often need more control over how data is mapped between systems, how orders are processed, and how the integration adapts to your specific workflows. You may also need to connect more than just Shopify and Acumatica, bringing EDI trading partners, 3PLs, marketplaces, and other sales channels into the same picture.
This is where Alluvia fits. Instead of a single fixed connection, Alluvia gives you a flexible integration platform with custom data mapping, real-time visibility into every transaction, and the ability to connect Acumatica to all of your systems through one platform. For businesses that need their integration to do more than the basics, that flexibility is what sets it apart.
See the Shopify to Acumatica Integration in Action
The best way to understand how the integration works is to watch it happen. In the demo below, we walk through the entire flow step by step, from placing orders in Shopify, to processing them in Acumatica, to syncing the shipment and tracking information back to Shopify.
One important note before you watch. In the demo we perform each step manually so you can see exactly what happens at every stage. In a live production environment, every part of this process runs fully automated. Orders flow in, shipments flow back, and your team never has to touch it.
How the Integration Works, Step by Step
Here is exactly what happens in the demo, broken down stage by stage.
Step 1: Orders Are Placed in Shopify
The flow starts in Shopify where two orders are created. The first order contains five Alluvia hats and two shirts. The second order contains fifteen hats. Each order has a customer assigned and is marked as paid. In a live store, these orders would come straight from your customers at checkout rather than being entered by hand.
Step 2: Orders Flow Through the Alluvia Portal
As soon as the orders are placed, they appear in the Alluvia portal under the Shopify tab. Each order moves from a posting status to a success status, giving you a clear, real-time view of exactly where every order is in the integration process. Nothing happens in a black box. You can see each document as it moves between systems.
Step 3: Orders Appear in Acumatica as Sales Orders
Over in Acumatica, both orders show up as open sales orders, each tied to its Shopify order number as the customer PO. Opening each one shows the correct line items and quantities carried over exactly as they were entered in Shopify. The order data is complete and accurate, with no manual re-entry required.
Step 4: A Shipment Is Created and Confirmed in Acumatica
Next, a shipment is created against the order in Acumatica. A package is added, a box size is selected, and a tracking number is entered. In production, that tracking number would be populated automatically by your shipping solution. Once the shipment is confirmed, the fulfillment is complete on the Acumatica side.
Step 5: Shipment and Tracking Sync Back to Shopify
This is where the round trip closes. The confirmed shipment flows back through the Alluvia portal and posts to Shopify automatically. Back in Shopify, the order now shows as fulfilled, and when you open it, the tracking number is right there, synced automatically. The customer can be notified without anyone copying a single piece of data by hand.
Step 6: Full Visibility From One Place
A final look at the Alluvia portal shows both the order and the shipment posted successfully. At any point you have complete visibility into every transaction moving between Shopify and Acumatica, so you always know the status of every order and every shipment.
The Benefits of Connecting Shopify and Acumatica
When Shopify and Acumatica are connected through Alluvia, the entire order lifecycle runs on its own. Here is what that means for your business.
There is no more manual order entry, which eliminates the data entry errors that come with it. Inventory and order data stay accurate across both systems in real time. Fulfillment moves faster because orders land in Acumatica the moment they are placed. Customers get their tracking information automatically, which improves their experience and cuts down on support requests. And because the integration is built to scale, adding more order volume or more sales channels does not mean adding more manual work.
Most importantly, your team gets their time back. Instead of copying data between systems, they can focus on actually growing the business.
How Alluvia Handles Shopify to Acumatica Integration
Alluvia is an ERP integration and EDI automation platform built to keep Shopify and Acumatica working as one, with the flexibility to grow as you add new sales channels and trading partners.
If you are running Shopify and Acumatica and tired of bridging the gap by hand, we would love to show you how Alluvia works.
Book a Demo Today and see how we can simplify your Shopify to Acumatica integration.
