Real-time
Two-way sync
Changes in ConnectWise or QuickBooks instantly reflect in both systems. No stale data, no manual imports.
Business productivity ⇄ Accounting and finance
ConnectWise to QuickBooks integration — real-time, two-way sync
Keep ConnectWise and QuickBooks 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
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Migrated from Fivetran
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Migrated from Celigo
Why teams connect ConnectWise and QuickBooks
Connect the financial records in QuickBooks with the work happening in ConnectWise, so both stay current without exports or copy-paste.
QuickBooks holds the financial truth: who the customers are, what they were billed, what they paid. ConnectWise is where part of the day-to-day work happens, and that work often involves the same customers and transactions. Without a live connection, the two drift apart, and people end up answering questions from stale copies.
Stacksync keeps Vendors, Items, Accounts, Journal entries in QuickBooks and Contacts, Service Tickets, Opportunities, Agreements in ConnectWise in sync, bi-directionally and in real time. Whatever records ConnectWise keeps and whatever events it produces, the overlap with QuickBooks is mapped field by field, and a change on either side shows up on the other within seconds.
There is no middleware to build, no API rate limits to babysit, and no nightly job that leaves the morning running on yesterday's data.
Common use cases
- 01 Reconcile payment-processor payouts against QuickBooks transactions.
- 02 Sync invoices and payments between QuickBooks and the CRM so sales sees billing status on the account record.
- 03 Sync time entries to payroll or BI tools for utilization analysis across technicians.
- 04 Sync ConnectWise companies and contacts with a CRM so sales and service teams work from the same account list.
Common sync patterns
Where ConnectWise tracks people or companies: one identity
A customer's details updated in either system update the other, so finance and the rest of the business stop maintaining two versions of the same customer.
Where ConnectWise handles customer conversations: billing context in view
Front-line teams see invoice and payment status from QuickBooks next to the customer they are helping, without logging into the finance system.
Where ConnectWise collects payments or triggers charges: events land in QuickBooks
Payment and charge activity flows into QuickBooks as it happens, so the books reflect reality without manual reconciliation.
What you can sync between ConnectWise and QuickBooks
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.
| ConnectWise objects | QuickBooks objects | How this pairing syncs | |
|---|---|---|---|
| Invoices Billing records reconciled against accounting systems. | Invoices Receivables created from closed deals or orders and read back for payment status | Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. | |
| Contacts People attached to companies, commonly synced against CRM contact records. | Customers Billing entities kept consistent with CRM accounts and subscription tools | Contacts is specific to ConnectWise and Customers to QuickBooks — each maps to any object or custom field on the other side. | |
| Service Tickets Support and service desk tickets, including status, board, and priority fields. | Payments Received funds applied to invoices, synced for revenue reconciliation | Service Tickets is specific to ConnectWise and Payments to QuickBooks — each maps to any object or custom field on the other side. | |
| Opportunities Sales pipeline records synced to CRMs for forecasting and handoff. | Bills Payables written in from procurement systems for AP processing | Opportunities is specific to ConnectWise and Bills to QuickBooks — each maps to any object or custom field on the other side. | |
| Agreements Recurring contracts and managed-service agreements used for billing reconciliation. | Vendors Supplier records aligned with purchasing and spend tools | Agreements is specific to ConnectWise and Vendors to QuickBooks — each maps to any object or custom field on the other side. | |
| Projects Project and phase records synced for delivery tracking outside the PSA. | Items Products and services referenced on invoice and bill lines | Projects is specific to ConnectWise and Items to QuickBooks — each maps to any object or custom field on the other side. |
How changes propagate between ConnectWise and QuickBooks
Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.
ConnectWise QuickBooks Sub-second propagation
DetectionConnectWise notifies Stacksync of record changes through webhook events. Callbacks (webhooks) on record changes, supplemented by polling on last-updated fields.
DeliveryEach detected change is written to QuickBooks through its API, with automatic retries and rate-limit backoff.
QuickBooks ConnectWise Sub-second propagation
DetectionQuickBooks pushes changes as they happen — webhook events backed by change data capture. Webhooks for entity change events, plus a Change Data Capture query operation for pull-based deltas.
DeliveryEach detected change is written to ConnectWise through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- ConnectWise: Subject to the platform's API rate limits per company and integration.
- QuickBooks: Subject to per-realm API request limits.
What ships with ConnectWise ⇄ QuickBooks
Connect ConnectWise and QuickBooks for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every ConnectWise–QuickBooks connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever ConnectWise or QuickBooks 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 ConnectWise or QuickBooks record.
Observability
Monitoring
Track your ConnectWise ⇄ QuickBooks sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between ConnectWise and QuickBooks.
How the ConnectWise and QuickBooks connectors work
ConnectWise
- Integration surface
- REST API
- Authentication
- Public/private API key pair for an API member, combined with a registered clientId, sent via Basic authentication
- Change detection
- Callbacks (webhooks) on record changes, supplemented by polling on last-updated fields
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to the platform's API rate limits per company and integration
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
How it works
How to connect ConnectWise to QuickBooks — 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 ConnectWise and QuickBooks with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
ConnectWise
connected
QuickBooks
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the ConnectWise and QuickBooks 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 · ConnectWise ⇄ QuickBooksCustomers 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.
ConnectWise QuickBooksCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
ConnectWise and QuickBooks integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between ConnectWise and QuickBooks: authenticate both systems, choose the objects to sync (such as ConnectWise's Invoices and Contacts), 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 ConnectWise and QuickBooks: Where ConnectWise tracks people or companies: one identity; Where ConnectWise handles customer conversations: billing context in view; Where ConnectWise collects payments or triggers charges: events land in QuickBooks. A customer's details updated in either system update the other, so finance and the rest of the business stop maintaining two versions of the same customer.
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ConnectWise: REST API. Authentication: Public/private API key pair for an API member, combined with a registered clientId, sent via Basic authentication. QuickBooks: REST API (QuickBooks Online). Authentication: OAuth 2.0. Stacksync manages authentication, retries, and rate limits on both sides.
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QuickBooks: The API supports a SQL-like query language over entities (for example, SELECT statements against Invoice or Customer). ConnectWise: Custom fields defined in the PSA are exposed through the API alongside standard fields. Stacksync's field mapping accounts for these differences between ConnectWise and QuickBooks 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 ConnectWise and QuickBooks records are not retained after a sync operation.
SECURITY
Security teams trust 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
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:
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