Real-time
Two-way sync
Changes in QuickBooks or Sage 300 instantly reflect in both systems. No stale data, no manual imports.
Accounting and finance ⇄ ERP
QuickBooks to Sage 300 integration — real-time, two-way sync
Keep QuickBooks and Sage 300 in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
Case study
Migrated from Mulesoft
Case study
Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
Case study
Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect QuickBooks and Sage 300
Keep QuickBooks and Sage 300 agreeing on customers, invoices, and balances, whether they split the finance workload or one is replacing the other.
A dedicated finance tool and an ERP end up side by side for practical reasons: a subsidiary runs lighter software than headquarters, billing runs in a specialist system while the enterprise system holds the wider view, or the company is mid-migration and both are live. Whatever the split, the two systems describe overlapping customers and transactions, and that overlap drifts without a live connection.
Stacksync syncs Journal entries, Estimates, Purchase orders, Credit memos in QuickBooks with AP Vendors, GL Accounts, Journal Batches, Order Entry Orders in Sage 300 in real time and in both directions. You decide which system wins on which field, and every change made in one is reflected in the other within seconds instead of at the next batch run.
Common use cases
- Push bills and vendor data from procurement systems into QuickBooks for AP processing.
- Reconcile payment-processor payouts against QuickBooks transactions.
- Keep inventory items and quantities aligned with e-commerce and warehouse systems on a schedule.
- Sync AR customers, invoices, and balances into a CRM for multi-currency account visibility.
Subsidiary to headquarters
Where QuickBooks serves a business unit and Sage 300 is the group system, transactions and customer records roll up continuously, so consolidation starts from live data.
Where QuickBooks handles billing: invoices land in Sage 300
Invoices and payment activity from the billing side post through to the enterprise system automatically.
Migration without a hard cutover
When one system is replacing the other, run both in parallel with records matching until the switch is complete.
What you can sync between QuickBooks and Sage 300
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| QuickBooks objects | Sage 300 objects | |
|---|---|---|
| Accounts The chart of accounts, mirrored so external postings map to the right ledger lines | AR Customers Receivables customer master synced to CRMs and billing tools. | |
| Journal entries Manual postings exported for consolidated financial reporting | AP Vendors Payables vendor master synced with procurement and payment systems. | |
| Estimates Quotes that convert to invoices, synced with CRM quoting flows | GL Accounts Chart of accounts read for transaction mapping across integrations. | |
| Purchase orders Procurement documents synced with inventory and ordering systems | Journal Batches GL entries staged in batches that must be posted; a common write target for external systems. | |
| Credit memos Adjustments to receivables, needed for accurate revenue syncs | Order Entry Orders Sales orders written from e-commerce or EDI feeds. | |
| Customers Billing entities kept consistent with CRM accounts and subscription tools | Purchase Orders Procurement documents read for spend visibility and receiving. |
What ships with QuickBooks ⇄ Sage 300
Connect QuickBooks and Sage 300 for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every QuickBooks–Sage 300 connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever QuickBooks or Sage 300 data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single QuickBooks or Sage 300 record.
Observability
Monitoring
Track your QuickBooks ⇄ Sage 300 sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between QuickBooks and Sage 300.
How the QuickBooks and Sage 300 connectors work
QuickBooks
- Integration surface
- REST API (QuickBooks Online)
- Authentication
- OAuth 2.0
- Change detection
- webhooks for entity change events, plus a Change Data Capture query operation for pull-based deltas
- Capabilities
- read · write · CDC · webhooks
- Rate limits
- subject to per-realm API request limits
Sage 300
- Integration surface
- Sage 300 Web API (REST) on newer releases; .NET/COM SDK and direct SQL Server access on-prem
- Authentication
- Sage 300 user credentials (Basic auth on the Web API); database credentials for direct SQL reads
- Change detection
- Scheduled polling; batch-oriented modules with no webhook surface
- Capabilities
- read · write
How it works
How to connect QuickBooks to Sage 300 — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate QuickBooks and Sage 300 with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
QuickBooks
connected
Sage 300
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the QuickBooks and Sage 300 objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · QuickBooks ⇄ Sage 300Customers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
QuickBooks Sage 300Company company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
QuickBooks and Sage 300 integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between QuickBooks and Sage 300: authenticate both systems, choose the objects to sync (such as QuickBooks's Accounts and Journal entries), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
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Common patterns for QuickBooks and Sage 300: Subsidiary to headquarters; Where QuickBooks handles billing: invoices land in Sage 300; Migration without a hard cutover. Where QuickBooks serves a business unit and Sage 300 is the group system, transactions and customer records roll up continuously, so consolidation starts from live data.
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QuickBooks: REST API (QuickBooks Online). Authentication: OAuth 2.0. Sage 300: Sage 300 Web API (REST) on newer releases; .NET/COM SDK and direct SQL Server access on-prem. Authentication: Sage 300 user credentials (Basic auth on the Web API); database credentials for direct SQL reads. Stacksync manages authentication, retries, and rate limits on both sides.
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QuickBooks: The QuickBooks Online API includes a Change Data Capture operation that returns entities modified since a given timestamp, which incremental syncs use directly. Sage 300: Multi-currency and multi-company operation are core to the data model, and integrations must carry currency and company context on every transaction. Stacksync's field mapping accounts for these differences between QuickBooks and Sage 300 without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means QuickBooks and Sage 300 records are not retained after a sync operation.
SECURITY
Security teams love Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for QuickBooks and Sage 300.
Popular · 8 of 386
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QuickBooks ⇄ IQMS (DELMIAworks) -
QuickBooks ⇄ JobBOSS² -
QuickBooks ⇄ Körber WMS -
QuickBooks ⇄ Linnworks -
Sage 300 ⇄ Workday -
Sage 300 ⇄ Anaplan -
Sage 300 ⇄ Chargebee -
Sage 300 ⇄ Hyperline
No integrations match .
