---
title: "Square Integration — Sync POS to Your ERP | APIWORX"
url: https://apiworx.com/connectors/square
description: "Sync Square in-store and online sales with your ERP and inventory. Unified retail integration by APIWORX."
lang: en
---

Commerce operations automation · Connect · Automate · Orchestrate · Flat-fee pricing

Point of Sale

Visit Square official site: https://squareup.com/
Square: https://squareup.com/

APIWORX

apiworx.ai

Reasoning & agents

→
https://apiworx.com/ai

apiworx.data

Canonical model

→
https://apiworx.com/data-nexus

Flows

Orchestration

→
https://apiworx.com/flows

Connectors

400+ systems

→
https://apiworx.com/connectors

platform stack

\+ your stack

# Square Integration — POS Sales, Inventory, and Refund Sync

Connect Square POS for real-time sales and inventory synchronization.

400+ connected systems · Real-time webhooks · SOC 2-aligned

See How It Works

SOC 2 Type II in progress · Encrypted in transit & at rest · OAuth 2.0 · GDPR-ready

Schema

## Objects we sync with Square

The data APIWORX moves into and out of Square on every managed integration.

| Object | Direction | Frequency | Notes |
| --- | --- | --- | --- |
| Orders | Both | Real-time webhook | Includes line items, taxes, discounts, and shipping address. |
| Inventory | Both | Hourly poll | Location-level quantities reconciled against source-of-truth. |
| Customers | Both | Real-time webhook | Email, billing/shipping, tax-exempt flag, and tags. |
| Products & Pricing | Both | Daily batch | SKU master, variant attributes, and price-list overrides. |
| Fulfillment & Tracking | Both | Real-time webhook | Carrier, tracking number, and per-line fulfillment status. |
| Returns & Refunds | Both | Real-time webhook | Refund, restock, and reason-code mapping preserved end-to-end. |
| Financials & Settlements | In | Daily batch | Payouts, fees, and reserves reconciled to GL. |

Most-deployed pairs

## Top 5 Square integration pairs

The most-deployed managed flows involving Square.

square → quickbooks online

Managed integration with field-mapped, real-time sync.

View flow
https://apiworx.com/flows/square-quickbooks-online

square → netsuite

View flow
https://apiworx.com/flows/square-netsuite

square → sage intacct

View flow
https://apiworx.com/flows/square-sage-intacct

Square → Shopify

Migrate from Square to Shopify with synchronized catalog, customer, order, and inventory data so storefront cutover is non-disruptive.

View flow
https://apiworx.com/flows/square-shopify

Square → Mailchimp

Connect Square and Mailchimp to sync customers, purchase events, and audiences for targeted campaigns.

View flow
https://apiworx.com/flows/square-mailchimp

Failure modes

## What usually breaks in Square integrations

Real failure modes APIWORX sees in production and how the managed service handles them.

#### Variation-level inventory drift

Square treats variations independently for stock. We sync at variation level, not item level.

#### Refund posting timing

Refunds arrive after settlement. APIWORX matches and posts compensating GL entries.

#### Multi-location pricing overrides

Per-location prices need careful mapping. We preserve overrides per-location.

How it works

## From requirements to a managed integration

1

### Tell Us What You’re Connecting

Provide the systems, workflow and business requirements.

2

### We Design the Integration

APIWORX recommends the integration architecture, mappings and implementation approach.

3

### We Build, Monitor & Support It

APIWORX implements the integration and provides ongoing monitoring and support as applicable.

Outcomes

## What you gain

Operational and financial impact when Square is wired into your business systems.

↓ 80%

Manual data entry

Eliminate manual order entry between Square and your ERP

↑ 3×

Faster reconciliation

Real-time inventory accuracy across Square and every other channel

↑ 99.9%

Data accuracy

Faster fulfillment with automated 3PL routing from Square orders

Unified customer view across Square, CRM, and accounting

Accurate financials with synchronized Square payments and refunds

Flows

## Square integration flows

Ready-to-deploy data flows pairing this platform with the rest of your stack.

NetSuite → Square

Connect NetSuite and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/netsuite-square

Sage Intacct → Square

Connect Sage Intacct and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/sage-intacct-square

Sage X3 → Square

Connect Sage X3 and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/sage-x3-square

Sage SDMO → Square

Connect Sage SDMO and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/sage-sdmo-square

QuickBooks Online → Square

Connect QuickBooks Online and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/quickbooks-online-square

Xero → Square

Connect Xero and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/xero-square

Microsoft Business Central → Square

Connect Microsoft Business Central and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/microsoft-business-central-square

SAP Business One → Square

Connect SAP Business One and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/sap-business-one-square

CETEC ERP → Square

Connect CETEC ERP and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/cetec-erp-square

Dual Entry → Square

Connect Dual Entry and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/dual-entry-square

Dual Entry + Float → Square

Connect Dual Entry + Float and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/dual-entry-float-square

Dual Entry + PayWay → Square

Connect Dual Entry + PayWay and Square to automate orders, inventory, products, and customer sync between ERP and storefront.

Orders
https://apiworx.com/flows/dual-entry-payway-square

See all 143 flows involving Square: https://apiworx.com/flows

Overview

## What Square Does

Square integration connects your POS, payments, and online store with backend systems.

### Common data objects synced

People

Customers

Catalog

Products Variants Discounts

Transactions

Orders

Logistics

Inventory Fulfillments

Finance

Refunds

Workflows

## Typical Square workflows

Step-by-step automations APIWORX runs between this platform and the rest of your stack.

1. 01
   ### Square order sync to ERP
   Image: Square (https://www.google.com/s2/favicons?domain=squareup.com&sz=64)
   Push Square orders into your ERP as sales orders for invoicing, fulfillment, and revenue recognition.
2. 02
   ### Inventory sync to Square
   Image: Square (https://www.google.com/s2/favicons?domain=squareup.com&sz=64)
   Keep Square stock accurate by syncing on-hand quantities from your ERP, WMS, or 3PL on a sub-15-minute cadence.
3. 03
   ### Product catalog sync from ERP
   Image: Square (https://www.google.com/s2/favicons?domain=squareup.com&sz=64)
   Manage products, variants, and pricing in your ERP and publish updates automatically to Square.
4. 04
   ### Fulfillment write-back to Square
   Image: Square (https://www.google.com/s2/favicons?domain=squareup.com&sz=64)
   Receive shipment confirmations and tracking from your 3PL and post them to Square so customers see real status.
5. 05
   ### Refund and credit memo sync
   Image: Square (https://www.google.com/s2/favicons?domain=squareup.com&sz=64)
   Translate Square refunds into ERP credit memos with the right reason code, restocking fee, and inventory return.

Capabilities

## Integration capabilities

Every APIWORX connector ships with the same enterprise-grade integration foundation.

Real-time data synchronization

Bi-directional data flow

Custom field mapping

Automated error handling

Comprehensive audit trails

Scalable architecture

View all platform capabilities: https://apiworx.com/platform

Related

## More ways to connect Square

ERP integration Connect NetSuite, SAP, Acumatica, Sage and Business Central.: https://apiworx.com/erp-integration
Ecommerce integration Storefronts, marketplaces, ERP, WMS and 3PL on one platform.: https://apiworx.com/ecommerce-integration
NetSuite ecommerce integration Shopify, Amazon, Walmart and 50+ channels into NetSuite.: https://apiworx.com/netsuite-ecommerce-integration
B2B integration Trading partners, suppliers and customers — EDI, API and AS2.: https://apiworx.com/b2b-integration
EDI integration Retailer and supplier EDI translated into clean ERP orders.: https://apiworx.com/edi-integration
EDI software Managed EDI you do not have to host, monitor or migrate.: https://apiworx.com/edi-software

Often paired with

## Commonly connected systems

Platforms customers integrate alongside Square.

NetSuite: https://apiworx.com/connectors/netsuite
Sage Intacct: https://apiworx.com/connectors/sage-intacct
Acumatica: https://apiworx.com/connectors/acumatica
SAP Business One: https://apiworx.com/connectors/sap-business-one
Sage 100: https://apiworx.com/connectors/sage-100
Epicor: https://apiworx.com/connectors/epicor

## Square integration FAQ

### How does the Square integration work?

### Can I sync Square data with multiple systems?

### How is error handling done for Square flows?

### Does APIWORX support Square multi-store and multi-currency setups?

Your integration plan

## Get My Integration Plan

Tell us what systems you need connected. We’ll recommend the architecture, implementation approach, timeline and estimated price range.

## Connect Square with your stack

APIWORX integrates Square with your ERP, ecommerce, and operational systems as a managed service. Live in days, not months.

API Documentation (https://app.apixx.io/docs) · OAuth 2.0 via Square Developer Platform.

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