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Integration guide

QuickBooks integrations: what small businesses connect, and how to do it safely

Most small businesses end up connecting QuickBooks to something: a store, a payment processor, a CRM, or a job-management tool. The connection is usually easy to switch on. Getting it to produce books you trust takes a few decisions first.

The integrations small businesses ask about most

The common pattern is the same in every case: another system creates a sale, a job, or a customer, and QuickBooks needs the financial side of it without anyone retyping it.

  • Shopify, Square, and Stripe

    Orders, refunds, processing fees, and payouts flow into QuickBooks. The decision is whether to post every transaction or a daily summary, and how fees and deposits are matched so bank reconciliation works.

  • CRMs such as HubSpot or Salesforce

    Customers and closed deals become QuickBooks customers and invoices. Decide which system owns the customer record, so an address change in one place does not get overwritten by the other.

  • Field-service tools such as Jobber or ServiceTitan

    Completed jobs become invoices and payments are recorded against them. Map services to the right income accounts and classes before the first sync, not after a month of miscoded jobs.

  • Payroll, time tracking, and expenses

    Hours, payroll journal entries, and receipts post to the right accounts and classes. These connections touch sensitive data, so access and review matter as much as the mapping.

Decide these five things before you turn a sync on

Most integration problems are not technical. They come from two systems disagreeing about who owns a record, or from mappings nobody wrote down.

  • Source of truth

    For customers, products, prices, and invoices, name the system that wins when the two disagree.

  • Account and class mapping

    Write down which income, expense, and clearing accounts each type of transaction posts to, and have your bookkeeper approve it.

  • Detail or summary

    Posting every order gives detail but clutters the books at volume. A daily summary is cleaner but harder to trace. Pick deliberately.

  • Historical data

    Decide whether past transactions are imported or the sync starts on a clean date, so nothing is counted twice.

Native app, integration platform, or custom build

Start with the native connector or the vendor's recommended app in the QuickBooks App Store. They are maintained by the vendor and usually cover the standard cases.

Use an integration platform such as Zapier, Make, n8n, or Microsoft Power Automate when you need a connection the apps do not offer, or extra steps such as an approval or a notification. Reserve custom API work for volume or logic the platforms cannot handle, and make sure it is documented and owned.

Keep it trustworthy after launch

Test the first sync with a handful of real transactions and compare them line by line with what your bookkeeper expects. Then set up a simple weekly check: a count of synced records, a list of failures, and a reconciliation of deposits. An integration that fails quietly is worse than no integration, because the books look complete when they are not.

A QuickBooks integration checklist

Complete this with whoever keeps your books before connecting anything.

Systems
Which tools create sales, jobs, customers, or expenses that QuickBooks needs?
Owner of record
For customers, items, and invoices, which system wins when they disagree?
Mapping
Which accounts and classes does each transaction type post to? Who approved it?
Start date
Will history be imported, or does the sync start on a clean date?
Monitoring
Who is notified when a sync fails, and who reconciles each week?

If nobody can answer the mapping question, solve that first. The software will follow whatever rule you give it, including a wrong one.

Next step

If you would rather have the integration designed, tested, and documented for you, start with the systems integration page.