QuickBooks & Xero Integration
Syncs invoices, payments and contacts with accounting tools.
Overview
Syncs invoices, payments and contacts with accounting tools. I built integrations that sync invoices, payments and contacts to QuickBooks and Xero with mapping and error handling. Built with Node.js, QuickBooks API, Xero API, this api integration project was delivered for a client in Worldwide and designed for reliability, a clean user experience and long-term maintainability — so it keeps delivering value well after launch.
The challenge
A platform needed clean two-way sync with clients' accounting systems.
What I built
I built integrations that sync invoices, payments and contacts to QuickBooks and Xero with mapping and error handling.
Key features
- Documented, versioned endpoints
- Secure authentication (OAuth / JWT)
- Idempotent webhook handling
- Rate limiting and retries
- Clear error contracts
- Reliable third-party connections
The results
- Clean accounting sync
- No duplicate or lost records
- Less manual bookkeeping
This is an example of my api development & integration work. Need something similar? Start a project →
My delivery process
Discovery
We start by understanding the goal, the users and the constraints — no jargon, just a clear picture of what success looks like.
Plan & design
A clear scope, architecture and milestone plan, so you know exactly what's being built and when.
Build & iterate
Development in reviewable increments with regular updates, so you see working software early and often.
Launch & support
Testing, deployment and ongoing support, so it keeps running smoothly long after go-live.
QuickBooks & Xero Integration — FAQ
Can you build a quickbooks & xero integration for my business?
Yes. I build custom api integration solutions like this quickbooks & xero integration, using Node.js, QuickBooks API, Xero API and tailored to your exact workflow, timeline and budget. Send me your requirements and I'll reply with a clear plan and quote.
How much does a project like this cost?
It depends on scope. After a short discovery call I provide a clear, fixed quote and milestone plan before any work begins — no surprises. Smaller builds start low; larger platforms are quoted per milestone.
How long does it take to build?
A focused MVP can take a few weeks, while a larger api integration build runs in milestones over a couple of months. You'll see working software early and often, not just at the end.
What technology do you use, and will I own it?
This project uses Node.js, QuickBooks API, Xero API. I pick the right stack for each project, and you own 100% of the code and infrastructure — delivered in your own repositories and accounts.
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Want something like this built?
Tell me about your project and I'll get back to you within 24 hours. Prefer to chat? Message me on WhatsApp.