UK open banking has passed one billion payments and 100 billion API calls, marking a significant milestone for the financial data and payments infrastructure now sitting beneath a growing number of customer journeys.
Open Banking Limited said the figures show continued adoption of account to account payments, data connectivity, and regulated third party services. The milestone reflects the extent to which open banking has become live financial infrastructure used by consumers, companies, fintech platforms, and banks.
Open banking allows customers and businesses to share account data securely with authorised providers and initiate payments directly from bank accounts. Its growth has supported services in budgeting, accounting, affordability checks, lending, payments, account aggregation, subscription management, and cash flow tools.
The milestone has particular weight in small business finance, where payment speed, invoice reconciliation, and cash flow visibility remain persistent problems. The finance workflow trend is already visible in Xero brings finance data into Microsoft 365, where accounting data is being brought into everyday work tools. Open banking is one of the infrastructure layers making connected finance more practical.
Account to account payments are attracting attention because they can reduce reliance on card rails in some use cases, lower processing costs, and speed settlement. Merchants, recurring payment providers, ecommerce platforms, and billers may gain commercial advantages where costs fall and reconciliation improves. Customers will judge adoption on convenience, trust, and clear protection if something goes wrong.
Customer experience remains central. A payment method may be cheaper or technically efficient, but users will only switch if it is simple, reliable, and widely accepted. Open banking flows have improved significantly since the early years of consent screens and bank authentication journeys, although friction remains a barrier in some contexts.
Banks have had to adjust to a more open competitive environment. Account data was once largely locked inside bank portals and statements. Regulated sharing has allowed fintechs, accounting platforms, lenders, and payment providers to build services around that data. Incumbent banks now compete not only on products, but on how well they integrate into wider digital ecosystems.
Variable recurring payments, commercial use cases, fraud controls, consumer protection, and broader open finance will shape adoption from here. If open banking can extend reliably into savings, pensions, investments, insurance, and lending data, the effect on financial services competition could deepen.
Finance teams can already see practical advantages. Better connectivity can reduce manual reconciliation, improve cash flow forecasting, support real time credit assessment, and make payment collection more efficient. It can also help lenders assess small business performance using current account and transaction data rather than relying only on historic accounts.
That capability is valuable in a period when SMEs are managing weaker sales growth, late payment, and higher borrowing costs. Small business data from Xero shows cash flow remains under pressure as payment times edge up and hiring slows. Faster data and payment flows cannot remove weak demand, but they can reduce administrative drag and improve decision making.
Regulation will remain important. Open banking depends on trust in authorisation, data security, liability arrangements, and supervision of third party providers. Any high profile failure could slow adoption, while clearer protections could support greater use in higher value transactions.
Competition questions may also intensify. Large banks provide the underlying accounts and interfaces, while fintechs and platforms often control the customer facing innovation. The commercial balance between infrastructure providers and service providers will shape incentives to improve availability, performance, and new functionality.
Open banking’s one billion payments milestone shows adoption is no longer theoretical. The next test is scale: whether the system can support routine business payments, richer financial management, and broader open finance without creating new complexity for customers.
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