The Best QuickBooks Integrations for Ecommerce

QuickBooks connects to hundreds of apps, and an ecommerce brand needs only a handful of them. The one that matters most brings your Shopify and Amazon sales and payouts into the books cleanly, so every bank deposit reconciles instead of landing as a mystery lump sum.

Below are the integrations worth using, sorted by the job each does, plus the lean stack that covers a real brand.

What are the best QuickBooks integrations for an ecommerce business?

The best QuickBooks integrations for ecommerce handle four jobs: a sales-and-payout connector such as A2X or Link My Books to bring Shopify and Amazon revenue into the books, an inventory app for when built-in tracking runs out, sales-tax handling, and bill pay.

Most of the marketplace is optional for a product business.

An integration is a connector that links another app to QuickBooks and syncs data between them. One earns a spot in your stack when it takes manual work out of a job you repeat every month, and that’s the test worth applying before you install anything.

Payroll and shipping tools come up further down, but four jobs carry the weight in keeping your ecommerce books straight:

• Sales and payouts
• Inventory and COGS
• Sales tax
• Bills and expenses

Sales and payout connectors: the integration that matters most

The sales-and-payout connector is the one that decides whether your books reconcile, so it’s the first to get right. Connectors work in one of two ways, and the difference is the whole game.

A payout-summary connector waits for the marketplace or gateway to pay out, then posts that payout as a single journal entry, the bookkeeping record that moves money into the right accounts. It splits the sales, refunds, fees, shipping, and tax inside the payout, and the entry matches the deposit that hits your bank to the penny.

A2X and Link My Books both work this way, and it’s the approach that posts your Shopify and Amazon payouts into the books as clean summaries. Those summaries are also what turn reconciling sales across every channel into a quick month-end task.

An order-level connector syncs each order as it happens. Intuit’s free Connect to Shopify and Amazon apps, and the free QuickBooks Connector, work this way.

For a low-volume single-channel store that’s fine, but the orders stack up in the books while the payout still lands as one lump sum, so you’re left matching the two by hand as volume climbs.

If a deposit in your bank doesn’t match a single entry in QuickBooks, you’ve got an order-level sync doing a payout-summary job. The payout-summary approach is what keeps ecommerce books reconcilable.

Which sales connector should you use?

The right connector depends on your channels and where your money lands. A short list covers most brands.

A2X is the most established option and the one I reach for most, covering Amazon, Shopify, eBay, Etsy, Walmart, and TikTok Shop.

Link My Books is the closest alternative on the same payout-summary model. Synder fits a business whose revenue is spread across several payment gateways, like Stripe, Square, and PayPal.

Webgility is a multichannel connector that’s strongest for brands still on QuickBooks Desktop. Intuit’s free connectors are a reasonable starting point for a single-channel store getting its books in order.

Whichever you pick, connecting each channel is its own setup step, whether that’s your Shopify accounting or your Amazon bookkeeping. Prices move, so treat the figures below as of early 2026 and confirm the current plans before you sign up.

Table 1. Sales-and-payout connectors for QuickBooks Online, as of early 2026.

Tool	Channels	Approach	Inventory & COGS	Sales tax	From	Best for
A2X	Amazon, Shopify, eBay, Etsy, Walmart, TikTok Shop	Payout summary	Yes	Splits marketplace and store tax	~$29/mo	Clean settlement accounting at volume
Link My Books	Shopify, Amazon, eBay, Etsy, TikTok Shop	Payout summary	Yes	Applies tax by location	Comparable	An A2X alternative, same model
Synder	Stripe, Square, PayPal, Amazon, Shopify, 30+	Payout or per-transaction	Limited	Basic	~$65/mo	Revenue across several gateways
Webgility	Shopify, Amazon, other channels	Order and payout sync	Yes	Yes	~$79/mo	Multichannel, strong on Desktop
Intuit free connectors	Shopify, Amazon	Order-level sync	Basic	Basic	Free with QBO	A low-volume, single-channel store

Which inventory app do you need with QuickBooks?

QuickBooks Online’s Plus tier tracks basic inventory and cost of goods sold (COGS), the direct cost of the products you sold, and for a single-channel brand that’s often enough. You need a dedicated inventory app once you’re managing manufacturing, bundles or kits, several warehouses, or purchase orders at scale.

Here’s the context that trips people up: Intuit retired QuickBooks Commerce, the platform it built from TradeGecko, so QuickBooks no longer ships a full inventory system of its own and connects to third-party apps instead. The usual choices sort by what you run.

Cin7 suits multichannel brands and third-party logistics. Katana fits light manufacturing. SOS Inventory stays close to QuickBooks for orders and assemblies. Finale Inventory handles high-volume, multi-warehouse operations. inFlow covers simpler catalogs.

Add an inventory app only when your operation outgrows what’s built in. QuickBooks Online’s built-in tracking and the Plus tier carry a lot of brands on their own, so the app earns its place when SKUs, warehouses, or assemblies get beyond what Plus handles.

Either way, the number that has to be right is your COGS, so the inventory tool and how your books handle tracking inventory and COGS need to line up.

Payments, gateways, and double-counted revenue

If your revenue lands through more than one payment gateway, each gateway needs to reach QuickBooks, and how you do it depends on the connector you already run. A payment gateway is the service that processes a card and pays you out, like Shopify Payments, PayPal, or Stripe.

Your payout-summary connector already handles the gateway that pays you out, usually Shopify Payments or Amazon. The gap is the other gateways that settle on their own schedule, like PayPal, Stripe, Klarna, or Affirm.

Connect to PayPal by QuickBooks imports PayPal activity, and a multi-gateway tool like Synder can consolidate several processors at once.

One trap causes more double-counted revenue than anything else here: running an order-level connector next to a separate PayPal or Stripe feed, which books the same sale twice and inflates your top line. Keep one integration responsible for each sale, and reconcile from the payout, so every dollar is counted once.

Bills, expenses, and receipts

On the accounts-payable side, QuickBooks Online now includes its own bill pay for paying suppliers (as of early 2026), and it connects to dedicated apps when you need more control.

QuickBooks Bill Pay handles vendor payments inside QuickBooks; Melio, which used to power that feature, is available as a standalone app, and Bill.com suits brands with heavier approval workflows and purchase orders.

For the paperwork side, receipt and document capture turns a supplier invoice or a photographed receipt into a transaction with the data already filled in.

QuickBooks has this built in, and Dext is the common upgrade when volume is high or you want tighter bookkeeper workflows. Expensify covers team expense reports once you’ve got staff spending on cards.

Sales tax, payroll, and shipping

Three more categories round out an ecommerce stack, and each has a clear default.

Sales tax splits by where the sale happens. On marketplaces, the marketplace usually collects and remits the tax under marketplace facilitator rules, the laws that make Amazon or Walmart responsible for the tax on your behalf, and your payout connector books it.

For your own storefront, QuickBooks Online tracks sales tax on its own, and Avalara takes over when you’re filing across many states. Payroll flows in through QuickBooks Payroll or Gusto, which push wages and payroll taxes into the books.

Shipping and fulfillment tools like ShipStation track what each order costs to ship, which is the number that keeps your per-order margin honest.

That’s the full map. The table below pairs each job with the go-to integration, so you can see the whole stack at a glance.

Table 2. QuickBooks ecommerce integrations by job.

Job in your books	Go-to integration(s)	What it does
Sales and payouts	A2X, Link My Books (Synder for multiple gateways)	Posts each payout as one clean entry that reconciles to the bank
Inventory and COGS	QuickBooks Online Plus, then Cin7, Katana, SOS Inventory, Finale, inFlow	Tracks stock, assemblies, and cost of goods when Plus runs out
Payments and gateways	Connect to PayPal, Synder	Brings PayPal, Stripe, and other gateways in without double-counting
Bills and receipts	QuickBooks Bill Pay, Bill.com, Dext, Expensify	Pays suppliers and turns invoices and receipts into transactions
Sales tax	QuickBooks Online, Avalara	Tracks and files tax; marketplace tax is booked by the payout connector
Payroll	QuickBooks Payroll, Gusto	Syncs wages and payroll taxes into the books
Shipping and fulfillment	ShipStation	Captures shipping cost for true per-order margin

Which QuickBooks integrations does an ecommerce brand need?

Most brands run a small stack, and adding apps you don’t need is its own cost, in subscriptions and in the number of connections you have to keep reconciling.

A workable setup is a payout connector, QuickBooks Online’s built-in bank feeds (the automatic connection that pulls your bank and card transactions in) and sales tax, an inventory app only once you’ve outgrown Plus, and bill pay and payroll as you scale.

What that looks like depends on how you sell. A Shopify-only brand runs A2X or Link My Books into QuickBooks Online Plus and leans on the built-in sales tax.

An Amazon-only brand runs A2X and lets the marketplace handle tax. A multichannel brand runs A2X across its channels, maps everything to your chart of accounts, and adds an inventory app once SKUs and warehouses demand it.

The apps are a line item, separate from what the bookkeeping itself costs to run each month. Get the stack right and the books mostly keep themselves; get it wrong and you pay for it in reconciliation time.

Table 3. A lean QuickBooks stack by business type.

Business type	Payout connector	Inventory	Sales tax	Add as you grow
Shopify only	A2X or Link My Books	QuickBooks Online Plus	Built-in sales tax	Bill pay, payroll
Amazon only	A2X	QuickBooks Online Plus	Marketplace facilitator	Inventory app if kitting or warehousing grows
Multichannel	A2X across channels	An inventory app if SKUs demand it	Built-in plus Avalara for many states	Bill pay, payroll, shipping

Frequently asked questions