What You Will Discover
Introduction
The concept of API in open banking has gained significant importance for small and medium-sized enterprises (SMEs) operating within today’s financial sector. But what exactly is an API in open banking, and why is it crucial for SMEs?
An API, or Application Programming Interface, in open banking enables banks and authorised third-party providers to securely share financial data, with explicit customer consent. For SMEs, APIs in open banking simplify financial management, facilitate easier access to innovative financial products, and significantly improve operational efficiency. This secure connectivity provides SMEs with valuable, practical tools that directly enhance their business capabilities.
Open Banking API Performance
In January 2025, open banking APIs demonstrated high reliability, achieving an average availability rate of 99.8% and an average response time of 331 milliseconds. This dependable performance allows SMEs to confidently rely on open banking APIs for real-time financial data and smooth transaction processing, supporting better financial management and operational effectiveness. Source
How APIs in Open Banking Simplify Cash Flow Management for SMEs
Effective cash flow management is crucial for SMEs. An open banking API significantly enhances cash flow oversight by offering SMEs real-time access to financial data from multiple accounts, providing clarity and accuracy that traditional methods often lack.
For example:
- Visibility Across Accounts: SMEs using an open banking API can view balances and monitor expenses in real-time through a unified dashboard, eliminating the cumbersome task of manually tracking separate accounts. This capability directly benefits SME borrowers and SME lenders, as improved transparency strengthens overall financial management.
- Informed Decisions: With immediate cash flow insights provided by open banking APIs, SMEs can proactively manage their finances—such as adjusting payment timings or postponing non-essential expenditures—thus reducing financial risks and improving stability.
In essence, adopting APIs in open banking empowers SMEs with the tools needed for precise cash flow monitoring, resulting in better financial health and greater operational control.
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Easier Access to Financing Through APIs in Open Banking
Accessing financing can be particularly challenging for SME borrowers, especially those lacking extensive credit histories. Open banking APIs address this challenge by providing SME lenders with deeper insights into an SME’s financial activities, such as income, expenses, and overall account stability.
- Broader Credit Data: Utilising an API in open banking, lenders can evaluate an SME’s creditworthiness based on real-time financial data rather than solely depending on traditional historical credit scores.
- Faster Loan Processing: APIs in open banking accelerate loan assessments by offering immediate visibility into financial health, allowing SMEs to obtain financing quickly when necessary.
For instance, leveraging the transparency provided by an open banking API, SMEs can achieve loan approvals more efficiently based on their current financial performance and cash flow stability.
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Streamlined Payments and Reduced Costs with Open banking API
Efficient payment processing is essential for any business. An Open banking api allows SMEs to process payments directly from customers’ bank accounts, eliminating the need for credit or debit cards and reducing transaction fees.
- Lower Transaction Fees: APIs in open banking can reduce fees typically associated with card transactions by bypassing card networks.
- Improved Payment Timing: Open banking APIs offer quicker settlement times, which is helpful for SMEs needing timely cash flow.
For instance, a small e-commerce business using open banking APIs can enhance customers’ payment experiences while keeping processing costs down.
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Improved Financial Transparency for Better Business Decisions
Using an open banking API provides SMEs access to detailed financial data that traditional bank statements typically do not offer. This additional level of clarity supports SMEs in making informed decisions.
- Detailed Data Analysis: Open banking APIs give SME owners clear visibility into their revenue streams and spending habits, making it easier to spot important trends and make well-informed business choices.
- Informed Inventory Management: Retail SMEs can use an API in open banking to track sales patterns effectively, helping them make decisions about inventory levels and purchasing strategies based on current market conditions.
With comprehensive financial data from APIs in open banking, SMEs can confidently make informed, data-driven business decisions.
Automated Accounting and Reduced Administrative Burden
Open banking APIs simplify routine tasks by automating financial data integration into accounting software, reducing manual data entry and the chance for error.
- Reduced Manual Effort: Open banking APIs allow financial transactions to be synced automatically with accounting systems, easing the end-of-month workload.
- Accurate Record-Keeping: SMEs maintain precise records with minimal manual effort by connecting accounting software through an API in open banking.
For example, a small hospitality business could use open banking APIs to manage daily transactions, freeing up time for customer-focused tasks.
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Real-Time Financial Insights for Managing Growth and Scaling
Real-time data provided through an API in open banking is invaluable for SMEs planning to scale or diversify. Open banking APIs help SMEs track financial health closely and plan confidently for the future.
- Growth Planning: With real-time insights into financial stability, business owners can decide when it’s feasible to expand, invest, or hire additional staff.
- Investment Decisions: APIs in open banking enable SMEs to make timely investment choices using up-to-date financial metrics.
A growing SME could use open banking APIs to monitor profit margins month over month, helping it decide when to reinvest.
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Security and Compliance Benefits of Open Banking API for SMEs
An API in open banking is designed with stringent security measures, meeting regulatory standards and ensuring customer data protection. For SMEs, this means handling financial data safely and building customer trust.
- Secure Data Handling: Open banking APIs use encrypted connections and multi-factor authentication, safeguarding financial information.
- Customer Trust: Using secure APIs in open banking also gives customers confidence that their information is well protected, enhancing brand reputation.
By implementing secure open banking APIs, SMEs can both adhere to regulatory requirements and gain trust from a security-conscious customer base.
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Winding Up
Open banking APIs bring a host of benefits to small and medium-sized businesses. From simplifying cash flow management and supporting financing to lowering transaction costs, APIs in open banking equip SMEs with the tools needed to streamline their operations and make informed financial decisions. As open banking evolves, these APIs will continue to enable SMEs to meet their financial objectives more effectively.
For business owners, adopting APIs in open banking is an effective step toward modernising their approach to financial management, allowing them to operate more flexibly and sustainably in an increasingly digital world.
What is an API in open banking?
An API (Application Programming Interface) in open banking enables banks and authorized third parties to securely share financial information, with explicit customer consent, making it easier for SMEs to manage finances and access financial products.
How do SMEs benefit from using open banking APIs?
SMEs benefit from open banking APIs through simplified cash flow management, improved access to financing, reduced payment processing costs, automated accounting tasks, and better financial transparency for informed decision-making.
How can open banking APIs support SME lenders and borrowers?
Open banking APIs provide lenders with real-time financial insights into SME borrowers, allowing quicker loan approvals and more accurate assessments based on current financial performance rather than just traditional credit scores.
Do SMEs need special technical skills to use an open banking API?
While technical skills are beneficial, most API providers offer straightforward integration processes and comprehensive support, making open banking APIs accessible even to SMEs without dedicated technical expertise.

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