Official Shopify integration. free to start

Shopify connects to
every channel you sell on.

Shopify is your store. But your customers are on eBay, Amazon, and Etsy too. Commerce Kitty bridges the gap. real-time inventory sync, unified orders, no manual work.

Connect My Shopify Store
Shopify integrates with Shopify eBay Amazon Etsy WooCommerce BigCommerce
All Integrations

One Shopify store. Every marketplace.

Commerce Kitty keeps your Shopify inventory as the single source of truth across every channel you connect.

S

Shopify

Your source of truth. Inventory, products, and orders sync outward from here to every other channel.

Core integration
e

eBay

List your Shopify products on eBay and keep stock levels in sync. Orders come back into your unified inbox.

Live
a

Amazon

Match Shopify products to ASINs, sync inventory, and manage FBA and FBM orders side by side.

Live
E

Etsy

Keep your handmade and craft listings in sync with Shopify. No more manually adjusting quantities on both platforms.

Live
W

WooCommerce

Run a WordPress store alongside Shopify? Commerce Kitty keeps both inventory counts aligned automatically.

Live
B

BigCommerce

Migrate or run both platforms in parallel. Stock stays consistent across Shopify and BigCommerce in real-time.

Live
How the Integration Works

Shopify stays in control. Everything else follows.

Commerce Kitty uses Shopify's official API. secure OAuth, no code injection, no storefront impact.

1

Shopify authorizes Commerce Kitty via OAuth

Click “Connect Shopify” and you're redirected to Shopify's secure authorization page. No passwords shared, no API keys to manage manually.

2

Your entire product catalog imports automatically

Products, variants, SKUs, stock levels, and images sync into Commerce Kitty. Your Shopify store is immediately your source of truth.

3

Add your marketplace channels one by one

Connect eBay, Amazon, Etsy, or any other supported channel. Commerce Kitty matches your Shopify products to existing listings or helps you create new ones.

4

Every sale updates every channel in real-time

A sale on any channel triggers an instant inventory update across all connected channels. Shopify, eBay, Amazon, Etsy. all in sync within seconds.

Real-time inventory sync across every channel

Connect your sales channels in minutes. Commerce Kitty keeps your stock accurate everywhere you sell. Free plan available.

Start Syncing Free
Quick Start

Up and running in under 5 minutes

1

Connect Shopify

One-click OAuth connection. Products and inventory import automatically. No configuration required.

2

Add your channels

Connect eBay, Amazon, Etsy, and more. Commerce Kitty maps your products across platforms.

3

Sell everywhere in sync

Inventory stays accurate across all channels automatically. You never need to update stock manually again.

Connect Shopify Free

I had Shopify, eBay, and Amazon all running separately. Commerce Kitty connected everything in about 10 minutes. Now when something sells on eBay, Shopify and Amazon both update instantly. It's exactly what I needed.

Priya K.. Shopify seller, beauty & wellness products
FAQ

Questions about the Shopify integration

Is this an official Shopify app?
Yes. Commerce Kitty connects to Shopify via the official Shopify API using OAuth. Your authorization is managed by Shopify directly. no passwords or API keys stored outside of Shopify's secure system.
Will connecting Commerce Kitty slow down my Shopify store?
No. Commerce Kitty uses Shopify's backend API only. There is no code injected into your storefront, no theme modifications, and no impact on your store's load time or customer experience.
What happens to my existing listings on eBay or Amazon?
Commerce Kitty maps your existing marketplace listings to your Shopify products. You don't need to recreate anything. Once mapped, inventory stays in sync going forward.
Can I push new Shopify products to other channels?
Yes. From Commerce Kitty you can publish any Shopify product to a connected channel. Product titles, descriptions, images, variants, and pricing all transfer. You review and confirm before any listing goes live.
Does it handle Shopify variants and SKUs?
Yes. Variant-level inventory sync is fully supported. Each SKU is tracked individually across all connected channels so a size-L red shirt tracks separately from a size-M blue one.

Your Shopify store is ready to power every channel you sell on

Stop treating each marketplace as a separate island. Connect them all to Shopify and let Commerce Kitty handle the sync.

Connect Shopify Free
Free plan included No credit card required Set up in 5 minutes

Ready to sync your inventory?

Connect your sales channels in minutes. Real-time sync across Shopify, Etsy, Amazon, eBay, and more. Free plan available, no credit card required.

Start Syncing Free
Free plan included No credit card required Set up in 5 minutes