Real-Time Ledger Software for Banks, PSPs & Fintechs

Track balances, record transactions, and maintain a consistent system of record for money movement in real time using double-entry accounting logic.

Built for financial products operating across multiple currencies and payment rails, where balance accuracy, auditability, and reconciliation are critical.

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Banking ledger software
Real-time balances | Double-entry accounting | Multi-currency support | High-throughput processing

What is real-time ledger software?

Real-time ledger software records financial events, updates balances instantly, maintains a complete audit trail, and keeps reconciliation aligned across systems. It acts as the operational layer that ensures every transaction is accurately reflected in balances and financial records.

SDK.finance company

One place to track balances, transactions, and reconciliation

Financial systems often distribute transaction logic, balances, and reconciliation across multiple services. This creates inconsistencies, delays, and operational overhead.

A real-time ledger brings these components together into a single system:

Single source of truth

For all balances and transactions

Real-time visibility

Into financial state across accounts and currencies

Consistent transaction logic

Across multiple payment rails

Aligned reconciliation

With external systems such as banks and payment providers

SDK.finance core ledger

capabilities

source code access

Real-time balance updates

Balances are updated instantly after each transaction across all accounts and currencies.

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Double-entry accounting logic

Every transaction is recorded as balanced debit and credit entries to ensure financial consistency.

Comprehensive support

Sub-accounts and account hierarchies

Structure accounts for users, merchants, and internal operations within a unified system.

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Multi-currency balances

Manage balances across multiple currencies and support cross-currency transaction flows and settlement tracking.

Minimized development risks

Audit trails and transaction history

Maintain a complete, immutable history of all financial events.

Consistent updates

Reconciliation-ready records

Ensure that internal records can be matched with external systems across multiple payment rails and providers.

Built for financial products that move money

Manage high-volume transactions across multiple payment rails and currencies with consistent ledger logic.

Track customer balances, transactions, and financial flows in real time.

Maintain instant user balances and support real-time transfers.

Handle cross-border payments, FX flows, and settlement tracking.

Integrate financial functionality into existing products with structured money movement.

Split payments, route funds, and manage commissions across multiple participants.

How SDK.finance Ledger works

Accounts and balances

The system maintains structured accounts and continuously updated balances across currencies.

Transaction posting

Each financial event is converted into ledger entries that update balances and reflect money movement across systems.

Fees, settlements, and internal transfers

All financial flows are recorded consistently, regardless of payment rail or transaction type.

Cross-rail and multi-currency consistency

Transactions are recorded consistently across different payment rails and currencies, ensuring unified balance tracking and reconciliation.

Reversals and refunds

Adjustments are handled through structured operations that preserve transaction history and balance integrity.

Reporting and audit visibility

All transactions are traceable, enabling financial reporting, monitoring, and reconciliation.

Easy to integrate into your stack

SDK.finance Ledger integrates into modern financial ecosystems:

Fintech company solutions

APIs and real-time events

Interact with the ledger through APIs and receive real-time updates via webhooks for all transaction and balance changes.

Fintech company solutions

Payment rails and financial infrastructure

Integrate with payment processors, banking systems, and card networks to support transactions across multiple rails.

Fintech company solutions

Compliance and ecosystem integrations

Connect with KYC/KYB providers and other financial services to support compliant and scalable product operations.

SDK.finance ledger software – customer spotlight

MPAY-wallet-and-payment-app
Digital wallet

MPAY Digital Wallet: Ledger Layer with a Multi-Channel Platform

Learn how MPAY, an online payment system, transformed a network of cash-in kiosks into a full-fledged payment app by integrating with SDK.finance software and expanding its capabilities.

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mena region payment acceptance giant
Transaction accounting system

Geidea – MENA payment acceptance giant

Explore how Geidea, a leading payment service provider from the MENA region transformed its transaction settlement system by integrating SDK.finance software into its existing POS network and expanded to 3 countries.

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paywell logo
Mobile money

Paywell – mobile money payment provider

Discover how Paywell, a provider of digital payment solutions in EMEA, enabled mobile money payments using telecom wallet funds and enhanced financial inclusion by leveraging SDK.finance payment software.

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Nebeus multi-currency accounts, linked to Crypto & Fiat
Crypto exchange

Crypto-to-fiat solution for Nebeus

Explore how Nebeus, the innovative financial app for digital nomads and businesses, improved crypto-to-fiat connectivity and streamlined currency exchange, by using the SDK.finance ledger-based Platform.

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Super app
Super app

A Super App: Taxi, Food & Grocery Delivery, and Digital Payments

Discover how a leading Maghreb-based super app fast-tracked its fintech infrastructure using the SDK.finance source code Platform.

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GovTech

Government-Issued Social Benefit Card System

A national government built a secure, scalable social payment card system using the SDK.finance Platform under a Source Code License – in just 6 months.

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See how SDK.finance Ledger fits your architecture

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    SDK.finance Real-Time Ledger Software? FAQs

    What is real-time ledger software?

    Real-time ledger software records every financial event as it happens and updates balances instantly. It gives banks, PSPs, and fintechs one system to track accounts, transactions, fees, settlements, and audit trails without relying on delayed batch processes.

    How is SDK.finance Ledger different from a traditional general ledger?

    Traditional general ledgers are mainly built for periodic accounting and reporting. SDK.finance Ledger is designed for day-to-day financial operations, helping teams manage balances, post transactions in real time, and keep data ready for reconciliation and reporting.

    Does SDK.finance support double-entry accounting?

    Yes. SDK.finance Ledger uses double-entry accounting logic to keep every transaction balanced, traceable, and consistent across accounts. This helps improve data integrity, audit readiness, and operational control.

    Can SDK.finance handle multi-currency balances and settlements?

    Yes. The platform supports multi-currency accounts, balance tracking, fees, and settlement flows across different products and customer segments. This makes it suitable for wallets, PSPs, remittance apps, and other cross-border financial services.

    How does reconciliation work in SDK.finance Ledger?

    SDK.finance Ledger records transactions and balance updates in one place, making it easier to match internal records with external payment and banking data. Real-time visibility helps teams reduce manual work, identify discrepancies faster, and keep reporting aligned.

    Can it support wallets, PSPs, and neobanks?

    Yes. SDK.finance Ledger is built for financial products that need accurate balance management and transaction tracking at scale. Typical use cases include digital wallets, payment service providers, EMIs, neobanks, remittance apps, and embedded finance platforms.

    How does SDK.finance handle reversals, refunds, and corrections?

    The platform supports reversals, refunds, cancellations, and correction flows while preserving a clear transaction history. This helps teams resolve operational issues without losing visibility into the original financial event.

    Can SDK.finance integrate with payment processors, card systems, and banking infrastructure?

    Yes. SDK.finance Ledger is designed to integrate with payment processors, card systems, banking infrastructure, and other financial services through APIs and related integration tools. This helps teams connect ledger operations to the rest of their payments stack.

    Does SDK.finance support double-entry accounting?

    Yes, all transactions are recorded using double-entry accounting logic. Each operation creates balanced debit and credit entries, ensuring that balances remain consistent and financial data stays accurate across all accounts and transactions.