BigCommerce integration with Shopify POS for unified in-store and online sales

Connect BigCommerce with Shopify POS to sync products, inventory, customers, and orders, so Shopify Point of Sale and your store data stay aligned across channels.

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What is the BigCommerce + Shopify POS integration

Running Bigcommerce online while selling through Shopify POS in-store usually breaks down in the boring places that cost money: stock gets out of sync, staff can’t trust what the screen shows, and refunds or exchanges turn into detective work across systems. The Bigcommerce – Shopify POS integration connects your Bigcommerce catalog and inventory with Shopify POS so store teams can sell from the same product source, and your eCommerce operations can keep online and retail activity aligned without rekeying data all day. This setup fits if Bigcommerce is your primary eCommerce platform, but your physical stores are standardized on Shopify POS.

BigCommerce + Shopify POS integration benefits

Stop overselling with accurate stock in Shopify POS and Bigcommerce

Speed up in-store checkout with products and pricing ready in Shopify POS

Cut return headaches with linked orders across Shopify POS and Bigcommerce

Reduce support tickets by keeping online and store promos consistent

Improve demand planning with unified sales signals from POS and eCommerce

Protect data quality with logged sync events you can audit and replay

How the BigCommerce Shopify POS integration works technically

• Product identifiers (SKU, barcode/GTIN where available) are used to map Bigcommerce products and variants to Shopify POS/Shopify product records, with attribute and option values normalized between platforms.

• Inventory quantities are synchronized per location, with configurable ownership of “source of truth” and conflict handling when both systems report changes in the same window.

• Order data created in Shopify POS is transferred to Bigcommerce as sales records (including line items, taxes, discounts, and payment status where supported), with customer matching based on email or a stable external ID.

• Refunds and returns are handled through linked order references, and the integration reconciles financial adjustments back to the originating order record when available via APIs.

• Delta sync logic sends only changed products, prices, and stock updates, while full syncs are used for initial alignment and periodic validation.

• API calls and webhook events are validated, rate-limit aware, and logged with retry queues so failed transfers can be reprocessed and audited.

Why choose scandiweb to handle BigCommerce integration for you?

BigCommerce builds with deep POS reality checks

We’ve delivered BigCommerce re-platforms with ERP links, so we design the POS bridge around real store workflows, not theory.

Integration led by senior engineers, not juniors

600+ specialists and a 0.4% hiring bar means complex Shopify POS edge cases get solved fast and reviewed properly.

Clean data mapping for SKUs, taxes, and rules

We align identifiers, tax logic, and product options early, so Shopify POS and BigCommerce don’t drift after launch.

Proven multi-system integration and QA discipline

From payments to ERP and marketing tools, we’ve shipped 2,100+ projects, with test plans built for peak-day risk.

Analytics that proves the integration is working

Our GA4 and data engineering team validates events end-to-end, so you can trust POS-to-eCommerce reporting.

Protect data quality with logged sync events you can audit and replay

You get one accountable lead and SLA-ready support options, so issues don’t bounce between vendors.

Frequently Asked Questions about BigCommerce Shopify POS integration

How do you connect BigCommerce with Shopify POS to sync inventory in real time?

Most setups use a middleware or custom API layer to map SKUs, locations, and adjustments, then push stock changes both ways. We QA edge cases like partial fulfillments, returns, and manual POS adjustments before Go-live.

Can BigCommerce and Shopify POS share one product catalog with variants and SKUs?

Yes, but it depends on strict SKU governance and a clear “system of record” for product attributes and barcodes. We align variant logic and option sets so POS scanning matches what BigCommerce sells online.

Does a BigCommerce – Shopify POS integration sync in-store returns, exchanges, and refunds to online orders?

It can, as long as order IDs, tender types, and return reasons are standardized across both systems. We typically design the flow so staff can process returns in POS without breaking BigCommerce reconciliation.

What customer data can be synced between Shopify POS and BigCommerce for omnichannel reporting?

Common fields include customer profiles, marketing consent flags, and purchase history references, with PII handled per GDPR and CCPA rules. For analytics, we also pass channel and store identifiers for clean attribution.

Will Shopify POS work with BigCommerce across multiple stores, locations, and currencies?

Yes, with location-level inventory mapping, tax rules per region, and currency handling defined upfront. This is where integrations fail most often, so we validate it against real store workflows, not just API docs.

Explore related BigCommerce POS integrations

Start your BigCommerce + Shopify POS integration

1. Submit your integration request

Fill out the form and share your integration requirements.

2. Join a free strategy & discovery call

Join a 60-minute session with our BigCommerce integration specialists.
We’ll review your business systems, identify key challenges, and uncover actionable opportunities.

3. Get a tailored proposal

After the consultation, receive a detailed proposal with clear, high-impact steps to integrate BigCommerce with the tools your business needs to thrive.