Every company that moves money needs a ledger. Most build one from scratch, and most get it wrong. Ledgr exists so they don't have to.
If you run a fintech, a marketplace, a payroll system, or anything that touches real money, you need a ledger. Not a database table called balances. A real, double-entry, append-only journal where debits always equal credits and every dollar is traceable to the posting that moved it.
Most teams end up building this themselves. They start simple, and it works until it doesn't. Balances drift. Reconciliation becomes a spreadsheet. Holds are bolted on. Refunds break invariants. The ledger becomes the most expensive, most fragile part of the system, and the one nobody wants to touch.
We built Ledgr because this problem is universal and the solution should be too. One API that handles double-entry accounting, derived balances, holds, multi-leg transactions, and reconciliation, correctly, from day one.
The primitives every money-moving product needs, correct by construction, behind a clean developer experience.
Every movement of money is a posting in the journal. Nothing is updated or deleted. Corrections are new entries. The journal is the single source of truth, and balances are always derivable from it.
Create a transaction, fund an account, place a hold, all in a single idempotent request. Ledgr enforces conservation (debits equal credits) and atomicity (everything commits or nothing does) at the infrastructure level.
Each program is an isolated book with its own currency and accounts. Run one ledger or a hundred. The data model scales from a single product to a full banking stack.
After building and rebuilding internal ledgers across fintech teams, the pattern was clear: everyone solves the same hard problems from scratch, and most solutions break under real-world complexity.
Double-entry journal, derived balances, idempotent transactions, multi-leg postings, and first-class holds. The foundation is built to be correct before it is built to be fast.
Working with a small group of teams to shape the product under real load. Usage is free during this period. The API is live, the dashboard is live, and the SDKs are published.
Dedicated infrastructure, SOC 2, region residency, and the enterprise controls that production financial systems require. The ledger grows with the teams that depend on it.