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The unified orchestration layer for wallets and alternative payments
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The secure repository for all your payment methods
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Workflow-driven payments intelligence for smarter routing and higher auth rates
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A flexible fraud and authentication layer. Instantly add advanced fraud tools and 3DS
One integration to sell inside ChatGPT, Gemini, and every agentic platform
Coming soon
The unified orchestration layer for wallets and alternative payments
The secure repository for all your payment methods
Workflow-driven payments intelligence for smarter routing and higher auth rates
A flexible fraud and authentication layer. Instantly add advanced fraud tools and 3DS
One integration to sell inside ChatGPT, Gemini, and every agentic platform
Coming soon
Core Banking System
A core banking system (CBS) is the central software platform that a bank or financial institution uses to manage its primary operations: customer account records, transaction processing, interest calculations, ledger management, and the financial data that underlies all of the bank's products and services. The core banking system is the system of record for every account, balance, and transaction within the institution.
Core banking systems are typically large, complex, and historically difficult to change. Many banks still operate core systems that were built in the 1980s and 1990s, modernized incrementally but not replaced. The rigidity of legacy core banking systems is a significant reason why traditional banks have struggled to innovate as quickly as fintech challengers, new products and features require changes to the core, which is expensive and risky.
The emergence of Banking as a Service (BaaS) has created a market for modern, API-first core banking platforms that fintechs and non-bank businesses can access without maintaining their own core banking infrastructure. Companies like Mambu, Thought Machine, and Finastra offer cloud-native core banking platforms that BaaS providers build on top of, enabling faster product development and more flexible financial product design.
For payment professionals, the core banking system matters primarily as the system that underlies settlement accounts, manages float, and records the ultimate financial outcomes of payment transactions. Payments Orchestration Platforms and payment gateways sit in front of the core banking system, handling transaction routing and optimization, while the core handles the authoritative ledger of what money ultimately moved where.
Frequently Asked Questions
Does a payments orchestration platform connect directly to core banking systems?
Generally, the connection is indirect. Payments Orchestration Platforms connect to payment gateways, processors, and PSPs, which in turn connect to the banking infrastructure (including core systems) needed for clearing and settlement. Direct core banking integrations are more common in specialized contexts, for example, BaaS providers building payment products that need direct ledger access, or large financial institutions building proprietary payment infrastructure.
Why does core banking modernization matter for payment innovation?
A bank's ability to offer real-time payments, instant account opening, and flexible product configurations depends on its core banking system's capabilities. Legacy cores often cannot support real-time processing natively, they were built for batch processing models where transactions are reconciled overnight. Modernizing or replacing the core is a multi-year, high-risk program, which is why many banks have moved slowly.
What is the difference between a core banking system and a payment processor?
A Payment Processor handles the routing and communication of payment transactions, moving transaction data between merchants, card networks, and banks. The core banking system manages the underlying account and ledger records, the authoritative record of what each customer's account holds and what transactions have occurred.
Related Terms
