Shopify Square Integration: Sync Orders, Products & Inventory
Struggling with inventory errors or manual updates between Shopify and Square? QuickSync’s Shopify Square Integration syncs inventory, products, and orders in real time, keeping every sale accurate automatically. No spreadsheets. No overselling. No double work.
From $19 a month for two shops · no credit card · connected in about ten minutes · nothing changes until you say so · Updated 25 August 2026
★★★★★ 4.9 out of 5 from 2,900+ reviews across our Shopify apps
How to Setup Shopify Square Integration
A few clicks, a quick product check, and you are ready to sync Shopify and Square.
Sign up or log in to QuickSync
Create your QuickSync account or sign in if you already have one. Start the connection from your dashboard and get both platforms ready to sync.
Connect Shopify
From the dashboard, choose Shopify and enter your store URL and approve permissions for products, images, inventory, and orders.
Connect Square
Go back to Sync Products, select Square, then log in and authorize QuickSync to access your Square account.
Choose what to sync
Set your preferences for products, inventory, and orders. From here, QuickSync keeps everything aligned automatically, in real time.
Multiple Ways to Sync Shopify and Square
You can sync a little, sync manually, or keep both shops properly connected. The table below shows what each option handles and where the gaps start to matter.
| Sync option | What moves | What it costs | Where it stops |
|---|---|---|---|
| Automation tools | One-way errands: a Square sale adds a row somewhere, a new Shopify customer joins a list | Priced per task run | Stock, which is two shops selling at the same moment and each needing to correct the other |
| Manual updates | Whatever you retype, as often as you retype it | Your time, every morning, in both dashboards | The Saturday the last one sells on Shopify and Square in the same hour |
| QuickSync | Stock in both directions in under a second, prices with your rule applied, and every order from both shops | $19 a month for two shops on Lite, after a 14-day trial with no card | No tracking number back into Square, because it has no field for one |
What Gets Synced Between Shopify and Square
See exactly what QuickSync moves between Shopify and Square. From inventory and products to prices and orders, this table shows what syncs, which direction it moves, and how quickly it updates.
| What syncs | ||
|---|---|---|
| Stock count | Both ways | Both ways |
| New listings | We can create and update | We can create and update |
| Prices | Sent, with your rule applied | Sent, with your rule applied |
| Orders in | Into QuickSync | Into QuickSync |
| Tracking back | Sent to the order | Square does not accept one |
| Photos and options | Photos, sizes and colours | Photos, sizes and colours |
| How fast we update it | Under a second | Under a second |
| How fast it tells us | The moment it happens | The moment it happens |
Before and After QuickSync
QuickSync takes the manual work out of Shopify and Square. Connect both platforms and let the important updates sync automatically.
| Two shops running manually | Two shops running with QuickSync |
|---|---|
| The last one sells in both shops within the same hour | Whichever shop sells it, the other one drops to match |
| Typing the same stock numbers into Shopify and Square each morning | One count, sent to both, without anyone opening a spreadsheet |
| Changing a price means editing the same product twice | Change it once and each shop gets the price you set for it |
| Orders in two dashboards, matched up by hand at the end of the week | Every order already matched to the right product |
| A refund leaves your numbers wrong until someone notices | A refund puts the stock back and tells both shops |
| Guessing how stale each shop’s number is | A sale on either shop reaches the other in under a second |
Square order? Shopify Copies Instantly
See the full journey of a Square sale, second by second. QuickSync picks it up instantly and keeps Shopify updated almost immediately.
Correcting Shopify takes under a second once we have the sale. The order is in your packing list with the Square order number on it.
The other direction is the same: a sale on Shopify reaches Square just as quickly, because Shopify pushes it to us the moment it happens too.
Know the Limits Before You Sync
Shopify and Square sync quickly, but not everything moves automatically. Here are the few limits worth knowing before you switch syncing on.
Sales sync in under a second
Shopify and Square tell QuickSync when a sale happens, so the update reaches the other platform in under a second. There is no waiting for a scheduled sync.
Tracking stays out of Square
Square has no field for tracking numbers, so shipping details stay in QuickSync and on the platform where the order started. The order status still updates normally.
Products wait for your approval
Product listings do not publish automatically between Shopify and Square. QuickSync waits for you to review and approve them. Inventory syncs automatically once you turn it on.
Does Shopify Integrate With Square?
Square says so, but the real answer depends on what you want Shopify and Square to do.
Search for it and you will quickly find that Square does not support Shopify checkout payments. You cannot use Square as the payment processor for Shopify without a custom setup.
The answer changes when it comes to inventory. Square lets authorised apps access its products, stock, and orders, making it possible to keep Shopify and Square on the same stock count. That is the connection we cover here.
So if you’re here to run Shopify payments through Square, this page won’t help, and it’s better to know that now than after trying three other apps. If you’re here because your shop floor and your website never seem to agree on stock, that’s exactly the problem we solve.
Select the Right Square Locations
Because Square tracks inventory by location, you need to choose your locations first.
When you approve QuickSync in Square, select the locations you want to sync. Their products, inventory, and orders can then move between Square and Shopify. Any location you leave out stays separate from the sync.
A common mistake is connecting every location and then finding Shopify selling stock that is only available at another branch. If one location handles your online orders, connect that one and keep the others separate.
You can change the locations later, but switching them after you start syncing can leave you with numbers to fix. Choose them carefully now and save yourself the cleanup.
Keep Your Counter and Website in Sync
Neither side waits for a scheduled sync, so updates move both ways right away.
Square tells us as soon as a sale happens, and Shopify does the same. QuickSync updates the other platform in under a second. Sell the last item in-store, and Shopify shows it as sold almost instantly.
This sync is faster than many marketplace connections, so you do not need to hold extra safety stock. There is no waiting period between a sale and the stock update.
The main limitation is tracking. Square does not have a field for tracking numbers, so tracking details stay in QuickSync instead of appearing on the Square order. Shopify supports tracking normally.
Fulfill Shopify Orders From Square
Square can handle incoming orders, not just in-store sales.
Most connected channels can only send orders out. Square can receive them too. That is useful when your stock is at the counter because Shopify orders can appear in Square for your team to pick and fulfill.
You decide whether Shopify orders should go to Square. If your counter team fulfills them, routing keeps orders in their usual workflow. If a warehouse does the work, there is no reason to send them to Square.
There is one requirement: the products in a Shopify order must already exist in Square and match by SKU. That is why you should match your products first, then turn on order routing.
Automation Is Not Inventory Sync
Automation can send information from Shopify to Square but inventory sync keeps both shops working from the same stock count.
Since Shopify and Square do not have a built-in connection, you will find two types of tools: automation tools and dedicated sync apps. Automation tools are great for simple one-way tasks, such as sending a Square sale to a spreadsheet or adding a Shopify customer to a mailing list.
Inventory is different. Both shops need the same stock count, in both directions. A sale on Square should reduce Shopify stock, and a Shopify sale should reduce Square stock. A dedicated sync app is built to keep those numbers matched, unlike a simple chain of automated triggers.
Automation tools often charge for every task, which means more sales can mean a bigger bill. QuickSync charges based on your shops and catalogue size instead. Lite is $19/month for two shops and 1,000 items, while Pro is $29/month for 2,500 items and also syncs listings and orders. Your price stays the same whether you get 40 orders or 4,000.
Shopify Square Sync Starts at $19
Sync Shopify and Square from $19/month. Your plan depends on how many products you have, not how many orders you sell.
Lite
$19/mo for two shops1,000 items and up to eight connected integrations, with stock matched on both sides automatically. Enough for Shopify and Square on their own, at $19 a month for the two.
Pro
$29/mo for two shops2,500 items and up to eight connected integrations. Listings and orders sync here as well as stock. Most sellers running two shops properly end up here.
Ultra at $69 and Ultra+ at $99 add larger catalogues, price rules and setup help. Every plan starts with a 14-day free trial and no card.
Shopify Square Integration FAQs-
Can Shopify integrate with Square POS?
Yes. Shopify can integrate seamlessly with Square POS using QuickSync. This Shopify Square integration allows businesses to connect Shopify with Square and automatically sync inventory, product listings, and orders between the two platforms. It eliminates manual data entry and helps manage both online sales and in-store transactions more efficiently.
Can Shopify inventory sync with Square in real time?
Absolutely. QuickSync ensures that inventory updates happen instantly whenever a sale occurs on either Shopify or Square. This real-time syncing prevents overselling, stockouts, and ensures that your online and in-store inventory levels are always accurate.
Will Square POS orders sync back into Shopify?
Yes. All orders processed through Square POS are automatically pushed into Shopify. This centralized order management makes tracking, reporting, and fulfillment easier, so you can manage all sales from one place without manual data entry.
What happens if Shopify and Square inventory are not synced?
Without syncing, businesses often face overselling, stock discrepancies, delayed orders, and customer dissatisfaction. Products may appear in stock online but be sold out in-store, resulting in cancellations, refunds, and lost revenue. Real-time syncing avoids these costly errors.
Can I manage Shopify and Square inventory from one place?
Yes. QuickSync enables centralized inventory management, meaning you can update stock, pricing, and product information in Shopify or Square and have it automatically reflected on the other platform. This saves time and reduces the risk of manual mistakes.
Is Square and Shopify integration suitable for multi-location retail stores?
Absolutely. QuickSync supports multiple locations, making it ideal for businesses with several brick-and-mortar stores. Inventory updates are synced across all locations in real time, ensuring accurate stock visibility and improved sales performance.
Can I choose which products or collections to sync?
Yes. QuickSync allows you to selectively sync specific products, collections, or SKUs between Shopify and Square. This flexibility supports unique business needs, seasonal inventory, and customized sales strategies across different sales channels.
How often does QuickSync sync inventory and orders?
QuickSync uses real-time automation, meaning inventory updates, product changes, and order data sync instantly as they happen. There’s no need to manually trigger syncing, ensuring both platforms remain accurate and aligned at all times.
Does QuickSync handle product variants like size, color, or style?
Yes. QuickSync fully supports product variants such as size, color, and style. Each variant is synced individually between Shopify and Square, ensuring precise inventory tracking and consistent product listings across both platforms.
Your Next Shopify Square Guides
From setup to choosing the right app, explore more guides to help you connect Shopify and Square with confidence.
More Stores? We’ve Got You.
Have another store to connect? Explore our integration guides for Shopify, Square, Amazon, eBay, Etsy, Clover, QuickBooks, and more.
Or read about one shop on its own
Every channel has a page covering exactly what syncs, what does not, and how fast.
Sync Shopify and Square Before Your Next Sale Slips Through
Your next sale should be about making money, not fixing stock. Sync Shopify and Square with QuickSync and keep both sides accurate in real time.
★★★★★ 4.9 out of 5 from 2,900+ reviews across our Shopify apps
No credit card required
Setup guides for this pair
Connect each shop with its own walkthrough, then come back to this page for how Shopify and Square stay in step.