Keep Square and BigCommerce Inventory in Sync — Automatically
OneKeepr matches inventory, products, variants, images, and pricing between your Square POS and your BigCommerce store, and keeps inventory updated in real time. Sell in-store and online without ever updating stock twice.
Start Your 7-Day Free TrialNo credit card required · Plans start at $29/month
Connect Square and BigCommerce in three steps
Connect
Securely link your Square and BigCommerce accounts. No code, no developers.
Choose your settings
Pick what syncs and which direction on one simple screen.
Start selling
OneKeepr keeps stock matched automatically. Sell a pair in-store and BigCommerce updates instantly. Sell online and Square updates too.
Everything stays matched, both directions
Your inventory, products, variants, images, and pricing come across in a one-time bulk sync, then inventory stays matched in real time between Square and BigCommerce. If anything ever looks off, sync history and one-click rollback have your back.
Not every inventory tool works the same way — here’s what to look for, and what OneKeepr does:
More than sync — the inventory platform behind your BigCommerce store
Sync is the foundation. OneKeepr also runs your product hub, purchasing, vendors, reporting and multi-location — use it on its own or connected to BigCommerce.
Stop overselling. Stop double entry.
When your POS and online store don’t talk to each other, you either oversell items you don’t have or burn hours keying the same change into two systems. OneKeepr removes the manual work and keeps your numbers honest — a sale anywhere updates everywhere.
Simple pricing, 7-day free trial
Plans start at $29/month. Start your free trial today — no credit card required.
Starter $29/mo for smaller catalogs · Growth $49/mo for larger stores.
Questions
Does it sync both ways?+
Yes. Changes in Square update BigCommerce, and changes in BigCommerce update Square, in real time.
Does it sync full products, or just stock counts?+
Full products. Inventory, variants, images and pricing all sync between Square and BigCommerce — not just quantities.
Do I have to pick a “master” or source of truth?+
No. There’s no master platform to choose — both stay in sync automatically, so you can edit in whichever system is handy.
How fast does it sync?+
Inventory changes are real time — seconds, not hours. Your first full catalog import runs once in the background.
Will my price go up as I get more orders?+
No. It’s one flat monthly price, no matter how many orders you process.
Will it prevent overselling?+
Yes. Your stock stays matched across both, so you won’t sell what you don’t have.
Do I have to move my catalog manually?+
No. A one-time bulk sync brings your existing products in.
What if a sync goes wrong?+
Every change is logged, and you can roll back with one click.
Is there a contract?+
No. It’s month-to-month — cancel anytime.
Keep Square and BigCommerce in sync — starting today
7-day free trial. No credit card. Plans from $29/month.