Open Banking 101: What It Is and How It’s Changing Payments

Learn what open banking is, how APIs enable faster payments and why it matters for ISOs, payment platforms and software companies.

Payment failures, reconciliation delays and inaccurate balance data; if you’re a payment provider like an independent sales organization (ISO), payment facilitator (PayFac), or software-as-a-service (SaaS) platform, these issues aren’t just frustrating. They’re business risks that erode trust and profitability for your merchants.

Many of these problems stem from traditional banking systems that operate in silos, making it difficult to access or share financial data in real-time. That’s where open banking comes in. In payments, open banking uses secure APIs (application programming interfaces) to connect banks, payment platforms and software companies, enabling faster account-based transactions and real-time financial data access.

By enabling secure, API-driven access to bank data, open banking is transforming how financial information flows between banks, processors and platforms, unlocking faster payments, richer data and better customer experiences.

In this article, we’ll answer the question “What is open banking?” and explain how it’s reshaping the payments landscape. We’ll also explore why it matters to payment providers and how you can use it to deliver more value to your merchants.

Open banking is reshaping how financial data moves and powers commerce. In the payments ecosystem, open banking enables faster, smarter and more cost-effective financial transactions for platforms, providers and merchants alike. To understand the impact of this technology, let’s dive into the details.

Why Open Banking Exists

Open banking emerged to make financial services more accessible. This shift breaks banks’ monopolies on customer data and empowers users. Open banking also improves compliance with key regulations like:

• The revised Payment Services Directive (PSD2) in the European Union
• CFPB’s Section 1033 of the Dodd-Frank Act in the U.S.

This development also gives payments professionals and merchants:

• Greater control over their financial data
• Access to innovative payment services
• Improved market transparency
• The ability to build embedded finance solutions

Open Banking and Payment Regulations Picture a world where payments happen instantly and seamlessly. Open banking brings this vision to life, connecting banks, businesses and buyers like never before. Let’s zoom in on how this trend plays out.

Use Cases: How Open Banking Enables Payments

• Account-to-account payments: Consumers can move money directly between bank accounts, saving time and fees. For merchants, account-to-account payments remove card networks from the transaction flow, helping them reduce fees and speed up settlement
• Real-time settlement: Merchants get paid quickly, helping them manage cash flow better and avoid delays
• Payment initiation: Shoppers pay securely within apps, without entering card details, making checkout faster and smoother. With payment initiation enabled by open banking APIs, platforms can embed secure bank-based payments directly into their checkout experiences
• Bill payments: Automate on-time bill payments to avoid manual work and issuing late fees
• Recurring subscriptions: Control payment timing and amounts, reducing errors and disputes
• eCommerce checkouts: Your business can provide open-banking payment options like Pay by Link that speed up checkout and lower cart abandonment
• Faster merchant onboarding: Underwrite and onboard faster by accessing your merchant’s business, banking and income data

Related Terms to Know

Some other key solutions shaping open banking and digital finance include:

• Embedded finance: The integration of financial services like payments, lending or insurance inside apps and platforms to create seamless experiences
• Banking as a Service (BaaS): A solution that provides access to banks’ core systems and services through APIs to offer compliant products
• Account aggregation: A tool that combines multiple financial accounts into one view via open-banking APIs to help users manage money easily

With so many tech options available, you may wonder why open banking deserves your attention and investment. Let’s look at some of the benefits of open banking.

Consumer Benefits

Open banking gives consumers more control and visibility over their financial lives. By securely connecting their bank accounts to authorized apps and services, consumers can access a broader range of financial tools like budgeting apps, lending platforms and investment services.

It also enables streamlined account management, faster peer-to-peer (P2P) payments and a unified view of balances and transactions across institutions. The result? Smarter financial decisions, fewer surprises and a more personalized banking experience.

Merchant Benefits

Many businesses still rely on outdated payment systems that are costly, resource-intensive and vulnerable to fraud. Open banking helps solve these challenges by enabling secure, real-time access to financial data and bank rails, making seamless payment experiences the new standard.

Fintech and Software Platform Benefits

For fintechs and software platforms, speed is everything. Thankfully, that’s where open banking shines. It enables real-time payments, instant account verification and frictionless user onboarding, reducing drop-off and fraud. With secure, API-driven data access, you can integrate financial products faster, streamline compliance and deliver embedded finance experiences that set your platform apart.

Click into a modern checkout or app, and you’ll experience smooth transactions and smarter money management. Let’s explore the core building blocks that power open banking behind the scenes.

APIs and Secure Data Access

Open banking APIs connect banks and business applications, enabling instant and secure data sharing. This mechanism allows merchants to show real-time balances and initiate payments directly. For example, apps can instantly update histories and complete payments, making financial operations more efficient.

Authentication and Consent

OAuth and similar protocols protect sign-ins and manage permission flows. When a merchant’s app requests access to financial data, customers can approve or decline effortlessly. This approach fosters trust by ensuring that only authorized parties have access to data.

The Role of Account Aggregators

Account aggregators consolidate insights from multiple sources into a unified dashboard. This feature helps track spending, automate payments and deliver actionable insights. In turn, merchants gain a unified view of their finances, enabling smarter decisions and faster responses.

Managing open banking is like patching your roof before a storm; it needs proactive attention to protect everyone. Here’s a look at the top challenges and realities facing this new financial technology.

Security and Compliance

Secure APIs and clear user consent protocols are foundational to open banking, ensuring data integrity and trust across all transactions. Without these safeguards, businesses may face:

• Unauthorized data access — putting sensitive financial information at risk
• Regulatory compliance gaps — leading to increased scrutiny, fines and the need for ongoing monitoring

By prioritizing strong API security and consent management, payment providers can confidently meet evolving regulatory standards while protecting their merchants and users.

Consumer Trust and Control

Maintaining consumer confidence in open banking depends on transparency, control and a seamless user experience. Key challenges to address include:

• Preventing data misuse or leaks — which can quickly erode user trust
• Avoiding clunky consent flows — that often create friction and reduce adoption
• Ensuring clear communication on data use — so users understand what they’re agreeing to and why

By prioritizing user education and intuitive consent design, businesses can build stronger relationships and long-term trust.

Implementation Challenges The reality is that 70% of digital transformations fail, often due to misaligned expectations and poor execution. Common setup challenges in open banking include: Fragmented standards across providers — making it difficult to ensure consistency and interoperability Rigorous partner vetting and governance — requiring time, resources and ongoing oversight Complex integrations and maintenance — which can delay deployment and strain internal teams

Overcoming these hurdles requires careful planning, the right technology partners and a flexible infrastructure that can scale with your needs.

Getting open banking right means laying a strong foundation for innovation that powers success for your business and merchants. Here’s how to get started:

Tips for Software Providers

Vet your API aggregators or Backend-as-a-Service (BaaS) providers. Focus on partners with a proven track record of compliance and uptime. Start with use cases like account verification and payment initiation to demonstrate value quickly. Consider their:

• Strength of security and data privacy measures
• API documentation and developer support robustness
• Flexibility to integrate with diverse banking systems

Choosing the Right Partner

Select a partner that offers scalability and ensures compliance with regulations like PSD2. Your provider should also provide flexible APIs that evolve with your business needs. Key qualities to look for include:

• Seamless integration capabilities
• Strong regulatory expertise
• Ongoing support and innovation

Now that we’ve answered the question of what open banking is and explored the landscape, the next question is: What’s next? Here’s an overview of the evolving financial frontier.

Moving Toward Open Finance

Open finance extends open banking to include loans, investments and insurance. This broader access equips you to offer tailored financial products like business capital loans directly to merchants.

Embedded Finance in Action

Embedded finance integrates payments and financial services directly into platforms. To put this technology into perspective, imagine a SaaS invoicing tool. Users can send invoices, receive instant payments and offer credit, all without leaving the app. That’s embedded finance at play.

This seamless integration:

• Simplifies workflows
• Opens up new revenue streams
• Boosts customer loyalty
• Increases operational efficiency

Open banking is reshaping the financial services industry by creating growth opportunities for payment companies, SaaS builders and merchants. If you haven’t already looked into how you can integrate this new technology into your offerings, now’s the time. If you’re curious about how you can take advantage of open banking, reach out to our team to learn more.