Accounting API for SaaS, Fintech & Platform Teams | Open Ledger

Easily integrate with 30+ accounting platforms—via one secure, developer-first API. Automate reconciliation, reporting, and procurement workflows inside your own product using Open Ledger’s AI-powered accounting API.

One API. Every Accounting Integration.

With Open Ledger, your platform can instantly connect to the same leading accounting systems your customers already use—including:

Supported platforms include:

QuickBooks • Xero • NetSuite • Microsoft Dynamics 365 • Zoho Books • FreshBooks • Sage Intacct • MYOB • Wave • Ramp • Brex • Shopify • Stripe • PayPal • Square • WooCommerce • GoCardless • Bold Commerce • and more.

Go live in <30 days with a single integration, no plugin sprawl.

What Can You Build with an Accounting API?

Use cases include:

Reconciliation & Ledger Sync
Automate double-entry accounting across payments, expenses, and revenue

Financial Reporting
Generate income statements, balance sheets, and cash flow reports in real time

Procurement & Spend Management
Automatically track purchase orders, vendor payments, and audit logs

Billing & Invoicing
Issue and reconcile invoices natively inside your app

Developer Control
Query, write, and customize fields across 30+ systems—no more one-off builds

Built for Developers

Our API is designed to give your engineering team maximum power with minimal lift.

• Unified endpoints for reconciliation, ledgers, invoices, and transactions

• /meta endpoint to predict required fields per platform

• Granular object access across GL entries, tax rates, tracking categories, and more

• Live sandbox testing across all major platforms, including NetSuite

• SOC 2 Type II compliant, with secure OAuth flows and monitoring baked in

Real-Time Financial Infrastructure for Any Platform

Whether you're a vertical SaaS, a fintech startup, or a platform team building procurement tools, Open Ledger powers your backend with intelligent accounting.

Ideal for:
SaaS platforms handling payments, invoicing, or expense tracking

• Marketplaces managing vendor payouts and ledger sync

• Procurement platforms tracking spend and generating purchase orders

• Fintechs building dashboards, compliance tools, or embedded finance flows

Security & Compliance Built In

Open Ledger is SOC 2 Type II compliant with encrypted data at rest and in transit. Our system includes:

Secure authentication

Real-time monitoring

Role-based access controls

GDPR & CCPA readiness

Why Open Ledger?

Open Ledger is SOC 2 Type II compliant with encrypted data at rest and in transit. Our system includes:

Secure authentication

Real-time monitoring

Role-based access controls

GDPR & CCPA readiness

FAQs: Accounting API

Q: How is this different from accounting software?
A: Open Ledger provides the infrastructure—not the UI. Your product stays in control while we power the backend accounting logic and integrations.

Q: How many systems can we connect to?
A: 30+ accounting, e-comm, and finance tools—including QuickBooks, Xero, NetSuite, Stripe, PayPal, Shopify, and more.

Q: Is this customizable to our product flow?
A: Yes. Every integration is modular, and our endpoints are designed to flex around your product experience.

Q: Can we write data as well as read it?
A: Absolutely. Our API supports full read/write access to ledgers, invoices, transactions, and custom objects.

Ready to take the next step with embedded accounting APIs?

Open Ledger’s AI-powered embedded accounting API empowers SaaS platforms to automate reconciliation, reporting, and compliance—boosting retention and unlocking new revenue streams.

Whether you're integrating embedded accounting for the first time or enhancing your platform’s financial tools, we provide the intelligent automation and expert support to help you scale.

Make embedded accounting your SaaS platform’s secret weapon—and drive long-term growth with AI.

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Discover how Open Ledger’s embedded accounting API transforms your SaaS platform into a complete financial hub.