Connect to Every Accounting Platform Through One Unified API

Build your own accounting API integration platform across QuickBooks, Xero, NetSuite, and more without relying on third-party connectors or per-user pricing.

Own your integration layer. Control your data. Scale without limits.

Designed for SaaS platforms, accounting firms, and finance teams that need reliable, high-performance integrations.

Centralized financial data platform connecting analytics, invoices, ledger, and dashboards for unified accounting insights

The Problem

Your Current Accounting Integration Is Costing You More Than You Think

Your Customers Want Accounting Integration. Yesterday.

How many deals did your sales team lose last quarter because a prospect asked “Do you integrate with QuickBooks?” and the answer was “not yet”? Your SaaS product needs to sync invoices, payments, and financial data with QuickBooks, Xero, and NetSuite. Each platform has its own API, authentication flow, rate limits, and undocumented quirks. Building each integration in-house means pulling your engineering team off your core product for months.

Unified APIs Sound Great Until You See the Bill

Merge, Codat, and Rutter all charge recurring fees per user, per connection, or per transaction. As your customer base grows, so does your bill. At scale, these costs can reach hundreds of thousands of dollars per year. Worse: you do not own the integration layer. If Merge changes their pricing, deprecates a feature, or shuts down an endpoint, you are at their mercy.

Generic Data Models Do Not Handle Real Accounting

Unified API providers map every accounting platform to one generic data model. In practice, that means lowest-common-denominator accounting. Chart of accounts structures vary by platform, industry, and country. Tax rules differ by jurisdiction. Multi-currency handling has platform-specific requirements. Your customers’ accountants will find the gaps.

Stop Paying Per User. Own Your Integration Layer.

Talk to a Solutions Advisor

The Solution

Your Own Unified Integration Platform

One API, Every Platform

Satva builds a custom integration layer that connects your SaaS product to QuickBooks Online, QuickBooks Desktop, Xero, Sage, NetSuite, Business Central, MYOB, and more through a single API endpoint. Your engineering team writes one set of API calls. Adding a new accounting platform means extending the layer we already built, not rebuilding from scratch.

Accounting Logic Built In

Your integration does not just move data. It understands accounting. Our team includes a qualified Chartered Accountant who validates the logic behind every integration. Chart of accounts mapping respects account types and hierarchies. Multi-currency handling matches each platform’s methodology. Tax calculations follow jurisdiction-specific rules.

You Own It. No Per-User Fees.

Unlike Merge, Codat, or Rutter, the integration layer Satva builds is yours. You own the code, the infrastructure, and the data flow. One-time development cost. No recurring per-user charges. No connection fees. No transaction cuts. Your margins improve as your customer base grows.

Ship to App Marketplaces

Want to reach millions of potential customers through the QuickBooks App Store or Xero App Marketplace? We build integrations that meet Intuit’s and Xero’s marketplace requirements from day one. We handle the certification process, the security reviews, and the technical requirements. You get listed where your customers are already looking.

Platforms We Support

  • QuickBooks Online 100+ integrations delivered. Published on QB App Store. QuickBooks Certified.
  • QuickBooks Desktop Legacy and modern connectivity. Desktop-to-cloud migration expertise.
  • Xero Certified Xero developer. Recognized on Xero developer forum.
  • Sage Sage 50, Sage Intacct, Sage Business Cloud. Multi-version support.
  • NetSuite SuiteTalk/REST. SuiteScript development. Custom record and saved search integration.
  • Business Central Dynamics 365 Business Central API. AL extension development.
  • MYOB MYOB Certified Integration Developer. Australian market expertise.
  • FreshBooks Invoice and expense sync. Time tracking integration.
  • Zoho Books Strategic Consulting & Implementation Partner for Zoho Financial Suite.
  • Wave Free accounting platform integration for SMB-focused SaaS products.
  • Clearbooks UK market accounting platform. MTD compliance.
  • Odoo Open-source ERP integration. Custom module development.

Need a platform not listed here? We have connected SaaS products to 50+ accounting and ERP systems. Talk to a Solutions Advisor about your specific requirements.

How It Compares

Satva Custom Build

One-time development investment. Fully custom to your data model and workflows. Chartered Accountant validates all logic. Complete edge case coverage across 100+ projects. You own the code and infrastructure. 8-16 weeks for first platform, 2-4 weeks per additional. Annual cost at scale: zero you already own it.

Unified APIs (Merge, Codat, Rutter)

Recurring per-user, per-connection, or per-transaction fees that grow with your customer base. Limited to generic data models. No accounting expertise generic data mapping only. Partial edge case coverage. Vendor-owned you rent access. Live in days but with limited scope. Annual cost at scale: significant and ever-increasing.

In-House Development

Full-time engineer salaries at senior market rates. Full control but you build everything from scratch. Only works if you hire accounting-savvy engineers. Edge case coverage depends on your team’s accounting API experience. 3-6 months per platform minimum.

Frequently asked questions

What is unified accounting integration?

Unified accounting integration connects a SaaS product with multiple accounting platforms through one integration framework. It helps SaaS companies support platforms like QuickBooks, Xero, Sage, NetSuite, Business Central, FreshBooks, Zoho Books, MYOB, Wave, and ClearBooks without building every connector from scratch.

How does a unified accounting API help SaaS companies?

A unified accounting API helps SaaS companies launch accounting integrations faster, reduce engineering effort, and support more customer accounting systems from one architecture. It also helps manage authentication, data mapping, sync logic, error handling, and platform-specific API differences in one place.

Can unified accounting integration support bi-directional sync?

Yes, unified accounting integration can support bi-directional sync for data such as customers, vendors, invoices, bills, payments, products, accounts, tax codes, and journal entries. This allows data to move between your SaaS product and accounting platforms in both directions.

Which accounting platforms can be connected through unified integration?

Unified accounting integration can connect with popular accounting and ERP platforms such as QuickBooks, Xero, Sage, FreshBooks, Zoho Books, NetSuite, Microsoft Business Central, SAP, Wave, MYOB, Moneybird, and ClearBooks. This helps SaaS companies serve customers using different accounting systems.

Can unified accounting integration help launch apps on accounting marketplaces?

Yes, unified accounting integration can help SaaS companies prepare connectors for marketplaces such as QuickBooks App Marketplace, Xero App Store, SuiteApp, and Microsoft AppSource. This can improve product visibility and make integrations easier for customers to discover.

Is unified accounting integration better than building separate connectors?

Unified accounting integration is better when a SaaS company needs to support multiple accounting platforms without maintaining separate codebases for each connector. It reduces duplicate development effort, improves consistency, and makes it easier to add new platforms over time.

Who owns the source code in a custom unified accounting integration?

With a custom unified accounting integration model, the SaaS company can own the source code and intellectual property. This gives more control over customization, security, roadmap decisions, and long-term integration maintenance.

Is unified accounting integration secure for financial data?

Yes, secure unified accounting integration should use OAuth-based authentication, encrypted data transfer, controlled access, error logging, audit trails, and compliance-aware development practices. This helps protect financial data while keeping every sync traceable and easier to monitor.

Stop Paying Per User for Accounting Integration

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