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BOTH SIDESStop building your own ledger

Production-ready double-entry accounting infrastructure. Ship your fintech app months faster and pass audits on day one.

TRANSACTION #4,291
AccountDebitCredit
Why it existsWhat is broken today.

Every fintech that moves money needs a double-entry ledger. Every team builds it from scratch — and gets it wrong the first time. Unbalanced entries, missing audit trails, currency precision errors, failed reconciliation. It takes months to build and years to trust.

The answerWhat JanusLedger does.

JanusLedger is a programmable ledger API with guaranteed balanced entries, immutable audit trails, and multi-currency support out of the box. Designed from firsthand experience building double-entry accounting systems at scale in production fintech environments.

What you get
Everything in the box.
True Double-EntryEvery transaction guaranteed balanced. Debits always equal credits. No exceptions.
Multi-CurrencyISO 4217 currency codes with proper decimal precision. Handle any currency correctly.
Immutable Audit TrailEvery entry is permanent and traceable. Pass SOC2, PCI, and financial audits.
Bank ReconciliationAutomated reconciliation with drift detection and alerting.
Health MonitoringContinuous validation of ledger integrity with real-time alerting.
How it compares
Why not the alternative.
vs Modern Treasury

Better price point, superior developer experience. Built by someone who's actually done this at scale.

vs Building In-House

Skip 6+ months of ledger development. Focus on your product, not your accounting infrastructure.

Pricing
30-day free trial. Starter at $149/mo. Growth at $349/mo.
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