Sales & Commerce
POS Integration for ERP
Updated August 2026 · By the ERP Research Editorial Team · Independent and vendor-neutral — no vendor pays for placement or ranking.
POS integration connects your point-of-sale system to your ERP, so every in-store or counter sale updates inventory, posts revenue to the general ledger and syncs customer records without a manual export. Retailers, restaurants and service businesses running a real ERP behind the scenes need this link to close the gap between what the register sees and what finance sees.
This guide compares standalone POS platforms -- Lightspeed, Toast, Square, Shopify POS, Clover and others -- on the specific criteria that matter when the POS has to talk to an ERP rather than stand alone: documented ERP connectors, real-time vs batch sync, inventory and multi-location support, and payment processing. If you're choosing an ERP that ships POS natively rather than pairing a third-party POS with one, see our guide to ERPs with built-in POS below instead.
Compare POS integration
| Product | Works with | Pricing | Deployment |
|---|---|---|---|
 Sage Dynamics 365+1 more | From $125/mo (Cumulus Retail, POS-only, 1 POS + 5 back-office users) | Cloud/Hybrid | |
| QuickBooksXero | Software plans from $16/mo (Basic retail plan); hardware from $349 one-time or financed over 36 months | Cloud | |
 NetSuite | From $49/register/month (Standard plan, monthly billing) or $39/register/month billed annually | Cloud | |
| QuickBooksXero | Software from $39/month (or $449 upfront/12-month term); Complete Solution hardware bundle advertised from $349 upfront | Cloud | |
| NetSuite+1 more | From $49/store/month (Giftshop and Grocery Chain plan) | Cloud | |
| QuickBooks | From $89/mo for one POS station (published starting price) | Cloud | |
| NetSuiteSage Intacct+2 more | From $89/month (Basic) | Cloud | |
Dynamics 365 SAP Oracle | Quote-based | Cloud | |
| Sage+1 more | Quote-based | Cloud/On-premise | |
 Shopify POSPoint-of-sale hardware and software that unifies in-store and online retail selling. | NetSuiteDynamics 365 Acumatica+1 more | POS Lite free with any Shopify plan; POS Pro from GBP 69/mo per location on the vendor's UK pricing page (commonly cited US price is $89/mo per location, ~$79/mo billed annually) | Cloud |
| QuickBooksXero | Tiered subscription per location + per-transaction processing fees | Cloud | |
| QuickBooks | $0 for the first hardware device on the Pay-As-You-Go plan | Cloud |
SageDynamics 365QuickBooksNetSuiteNetSuiteQuickBooksNetSuiteSage IntacctQuickBooksXeroDynamics 365SAPOracleSageQuickBooksShopify POSShopifyNetSuiteDynamics 365AcumaticaSAPSage IntacctQuickBooksXeroWhat is POS-to-ERP integration?
POS-to-ERP integration is the connector, API or middleware layer that keeps a point-of-sale system and an ERP in sync: sales transactions post to the ERP's general ledger and AR, inventory counts decrement in real time (or on a schedule) across every store or channel, and customer and loyalty data flows both ways. Some POS platforms publish a certified connector for a specific ERP (for example, a NetSuite or Acumatica SuiteApp/plugin); others expose a REST API that an integration platform (iPaaS) or systems integrator uses to build the sync. The depth of integration varies a lot -- a certified connector usually covers inventory, sales and customer sync out of the box, while an API-only integration may need custom mapping for GL coding, tax and multi-entity accounting.
How to choose POS integration
Documented ERP connector
A published, vendor- or partner-built connector for your specific ERP (NetSuite, SAP, Dynamics 365, Sage, Acumatica) beats a generic API you have to wire up yourself.
Real-time vs batch sync
Confirm whether inventory and sales post to the ERP in real time or on a batch schedule -- batch sync can leave stock counts stale across channels.
Multi-location & multi-entity support
For chains, the POS needs to roll sales up by store/location and, for ERP GL posting, by entity and cost centre.
Inventory depth
Look for two-way inventory sync (not just sales export) so the ERP stays the system of record for stock across in-store, warehouse and online channels.
Payment processing & hardware
Most POS platforms bundle their own payment processing and terminal hardware -- check processing rates and whether you can use your existing merchant account.
Pricing model
POS pricing usually combines a software subscription with per-transaction processing fees -- compare the total cost, not just the sticker price.
POS Integration that works with your ERP
A POS that just rings up sales is table stakes; what separates a good fit from a headache is how cleanly it reconciles into your ERP at close. The strongest POS-to-ERP integrations post sales as journal entries with the right GL coding and tax treatment, sync inventory bidirectionally so a sale in-store decrements the same stock count your ERP uses for replenishment, and keep customer records unified across channels. Every product below is profiled with the specific ERPs it documents an integration for, so you can shortlist only the POS platforms that actually connect to your stack -- not just the ones that claim to.
Frequently asked questions
What is the best POS integration for ERP?
There's no single best POS integration -- it depends on which ERP you run and your business type. Retailers on NetSuite or Acumatica typically shortlist POS platforms with a published SuiteApp or connector for that ERP; restaurants prioritise platforms like Toast built specifically for food service; multi-location chains weigh multi-entity GL posting and real-time inventory sync most heavily. Compare the products below by which ERP they document a connector for, not by brand recognition alone.
Does my POS system need to integrate with my ERP?
If you run an ERP as your system of record for inventory, accounting and customers, an unintegrated POS forces manual exports and re-keying at every close -- a common source of stock discrepancies and delayed financials. Integration matters most once you have multiple locations, an ERP-managed general ledger, or inventory shared between in-store and online channels; a single-location cash business on a standalone accounting tool may not need it.
How does POS-to-ERP integration work?
Most POS platforms integrate with an ERP one of three ways: a certified connector or marketplace app built for that specific ERP (for example, a NetSuite SuiteApp), a REST API that a systems integrator or iPaaS tool (Celigo, Boomi, Workato) maps to the ERP, or a native module if the ERP itself ships POS. Certified connectors are fastest to deploy and usually cover sales, inventory and customer sync out of the box; API-based integrations take longer but can be customised to your GL structure.
Should I use a third-party POS or my ERP's built-in POS?
ERPs like NetSuite (SuiteCommerce InStore), Acumatica (Retail Edition), SAP (Customer Checkout) and Dynamics 365 (Commerce) ship native POS modules that avoid an integration step entirely, while standalone platforms like Lightspeed, Toast and Square often have deeper retail- or restaurant-specific features. See our guide to ERPs with built-in POS if you'd rather keep everything on one vendor; use this page if you want a best-of-breed POS layered onto your existing ERP.