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Open Banking

A framework enabling third-party applications to access bank account data and initiate payments via APIs, with customer consent, to enable innovative financial services.

Financial Data & APIPayments Infrastructure

FAQs

Is open banking safe for consumers?

Open banking with regulated API access is generally safer than credential-based screen-scraping, which requires sharing bank login credentials with third parties. Under API-based open banking, customers grant specific, revocable permissions without sharing credentials. Regulatory frameworks require TPPs to be licensed, maintain data security standards, and allow customers to revoke access at any time.

How does open banking enable better credit decisions?

Bank transaction data provides rich signals about actual cash flow, income patterns, recurring expenses, and financial behavior — far more granular than credit bureau data. Lenders using open banking can verify stated income, assess spending patterns, identify revenue seasonality, and make credit decisions for thin-file borrowers who lack credit history. This has enabled new BNPL and embedded lending products.

What is screen scraping and why is it being replaced by APIs?

Screen scraping requires users to share bank credentials (username and password) with a third party, which logs in as the user and extracts data from the bank's website. This is insecure (credentials are held by the third party), unstable (breaks when banks change their website), and often violates bank terms of service. API-based connectivity is more secure, reliable, and provides richer structured data.

Related Terms

API Integration in Finance

The use of APIs to connect financial systems, enable real-time data exchange, and automate workflows between accounting, banking, and fintech platforms.

Embedded Finance

The integration of financial services — payments, lending, banking, or insurance — directly into non-financial platforms and software products.

ACH Transfer

An electronic bank-to-bank transfer processed through the Automated Clearing House network, used for payroll, bill payments, and business transactions.

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Open banking is a financial services framework that allows regulated third-party providers (TPPs) to access customer bank account data and, in some implementations, initiate payments directly from bank accounts — all through standardized APIs and with explicit customer consent. It is transforming the financial services landscape by enabling new products, reducing reliance on screen-scraping, and increasing competition.

The regulatory origins differ by geography: in Europe, PSD2 (Payment Services Directive 2) mandated open banking for EU banks beginning 2018, requiring banks to provide standardized API access to account information and payment initiation. In the UK, the CMA (Competition and Markets Authority) implemented mandatory open banking in 2018. In the US, the CFPB's Section 1033 rule (finalized 2024) establishes consumer data rights and open banking requirements for large financial institutions.

The two main API types in open banking: Account Information Service Provider (AISP) APIs enable read-only access to account balances, transaction history, and account details — powering applications like personal finance management, accounting software bank feeds, affordability assessments, and creditworthiness analysis. Payment Initiation Service Provider (PISP) APIs enable the initiation of bank transfers directly from a user's account, bypassing card networks entirely — potentially lower cost for merchants.

In the US, the open banking ecosystem is led by data aggregators including Plaid, MX Technologies, Finicity (Mastercard), Yodlee (Envestnet), and Akoya (bank consortium), which connect fintech applications to thousands of financial institutions. Most US aggregators historically relied on credential-based screen-scraping; API-based connectivity through the Financial Data Exchange (FDX) standard is progressively replacing screen-scraping.

Open banking enables powerful use cases: account verification for ACH payments (replacing microdeposit flows), cash flow underwriting for loans and BNPL, automated expense categorization from bank data, cross-bank account aggregation for treasury management, and real-time financial data in accounting software.