The Ledger API for FinTech Teams

Launch fast. Scale confidently. A gRPC-native, audit-ready double-entry ledger built for engineers.

Double-entry logic, balance validation, reversals, and full traceability for every transaction.

Built from the ground up for modern stacks: low-latency, contract-safe, scalable.

Clear contracts, strong typing, and no REST overhead. Fast to adopt. Easy to integrate.

Built for the financial systems you’re actually building.

Maintain customer balances, top-ups, and spend — with audit trails built in.

Track issuance, usage, and repayments using structured journal entries.

Orchestrate multi-party transactions with balance integrity guaranteed.

Track payment flows with verifiable, immutable ledger logic.

Trusted by teams building real financial systems

Whether you're launching your first ledger or scaling to millions of transactions — we're ready when you are.