Open banking market size was valued at USD 36.16 billion in 2025 and is projected to hit the market valuation of USD 266.75 billion by 2035 at a CAGR of 22.12% during the forecast period 2026–2035.
Open banking allows consumers to securely share their financial data—like account balances and transactions—with third-party providers via APIs, with consent. This fosters innovation in payments, budgeting apps, and personalized finance services beyond traditional banks.
The composition of this revenue in the open banking market has shifted fundamentally. In 2022-2024, nearly 65% of market value was derived from "Connectivity Fees" (APIs connecting TPPs to banks). In 2026, connectivity has commoditized. The value pool has migrated to "Value-Added Services" (VAS)—specifically data enrichment, payment initiation (PIS), and identity verification—which now account for 54% of total market revenue.
The "Payment Initiation" segment is outpacing "Account Information" (AIS) for the first time, growing at 35% YoY, signaling that open banking market is now a transactional rail, not just a data pipe.
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The global open banking market landscape is characterized by a "Three-Speed" market structure:
Regulation has moved from "forcing access" to "defining liability and compensation."
While the West focuses on optimization, emerging markets are focusing on inclusion and infrastructure.
Security in the open banking market is no longer about SSL, it is about "Attacker Modelling."
FAPI 2.0 (Financial-grade API): As of 2026, FAPI 2.0 is the mandatory standard for high-value transactions. It creates a "cryptographically signed" session. If a hacker intercepts the token, they cannot use it because they lack the private key to sign the request. This "Message Signing" profile is essential for the burgeoning Commercial VRP market, where transaction limits exceed $10,000.
ISO 20022 Interoperability: A major friction point in 2026 is the translation between the rich data of ISO 20022 (used in SWIFT/SEPA) and the lighter JSON bodies of Open Banking. Banks that have built "Translation Layers" to preserve data fields like "Ultimate Debtor" or "Remittance Info" are winning corporate clients. Those stripping this data to fit legacy JSON schemas are losing B2B market share.
The narrative has shifted from "Compliance Cost" to "Product Revenue." In 2026, three monetization models dominate:
The open banking market have moved beyond "Personal Finance Management" (PFM) apps, which proved difficult to monetize. The value is now in:
As per Astute Analytica, the battleground for 2026 is the ERP system.
By the end of 2025, the global adoption of open banking market has hit 18% of the digitally active population. However, the nuance is that 40% of users don't know they are using Open Banking. It is embedded in the checkout flow (e.g., "Pay by Bank") or the mortgage application. This "Invisible Infrastructure" indicates market maturity.
Consolidation has defined the last 24 months.
The Infrastructure Giants: Visa (via Tink) and Mastercard (via Aiia/Finicity) now control roughly 40% of European and US traffic. They are positioning Open Banking as a "Network Extension," bundling it with card rails to offer a "Total Payments" solution to merchants.
The Aggregator Pivot: Standalone aggregators in the open banking market like TrueLayer and Yapily have pivoted. They are no longer just "data pipes"; they are now "Payment Processors." TrueLayer’s VRP product is competing head-to-head with Stripe and Adyen.
Regional Champions: In LATAM, Prometeo and Belvo have built moats that global players cannot easily cross due to the complexity of local tax and fiscal data integrations.
The volume of API calls across the global open banking market is exploding—up 400% since 2023. Legacy mainframes cannot handle the "Look-to-Book" ratio (the number of balance checks before a payment is made).
The "Gold Rush" for consumer apps is over. VCs are deploying capital into:
As per Astute Analytica, by 2035, "Open Banking" will be an obsolete term, replaced by "Open Data."
The Banking & Capital segment captured 47.2% of the open banking market in 2025 because Open Banking has fundamentally replaced legacy credit underwriting. Lenders are no longer relying solely on FICO scores. Experian’s 2025 "State of Credit" report revealed that 40% of new mortgage originations in the US utilized cash-flow data derived from open banking APIs. This granular view of income and rent payments allows banks to lend to "thin-file" customers safely.
Investment platforms are also driving this segmental growth in the open banking market. Wealthfront and Betterment reported that real-time account aggregation reduced customer churn by 22% in 2025, as users could see their holistic net worth instantly. Additionally, Citigroup launched a "Treasury API" for corporate clients, automating liquidity management for Fortune 500 companies. The sheer value of assets moving through these "Capital" APIs dwarfs retail payment volumes.
Transactional and Payment APIs secured 51.1% market share in open banking market, driven by merchants seeking relief from rising card interchange fees. The shift from "Read" (AIS) to "Write" (PIS) is complete. GoCardless announced in 2025 that their Variable Recurring Payment (VRP) volumes grew by 200% YoY, primarily in the utilities and government sectors. Merchants prefer this method as it costs significantly less than credit cards.
Stripe’s 2025 annual letter highlighted that "Pay by Bank" is now the fastest-growing payment method in the UK and Germany. In Brazil, the integration of Pix with Open Finance has normalized API payments; the Central Bank of Brazil noted that 15% of all Pix transactions are now initiated via third-party open banking apps. This segment dominates because payment APIs generate recurring, transactional revenue, whereas data APIs often face commoditization and price compression.
The Bank Channels distribution category generated a 61.3% market share in 2025 because consumers still overwhelmingly trust incumbent institutions over standalone fintech apps. A 2025 J.D. Power satisfaction study indicated that 78% of consumers prefer viewing aggregated data inside their primary banking app rather than a third-party tool. Banks have weaponized this trust.
HSBC and Revolut (acting as a bank) have successfully rolled out "Connected Money" features that aggregate external accounts, keeping the user inside their walled garden. By keeping the user in the bank channel, they cross-sell high-margin lending products. Chase’s "Snapshot" feature, which uses open banking to show external balances, saw a 35% increase in daily active users in 2025. The distribution power of pre-installed banking apps on billions of devices is unmatched.
Banks and Traditional Financial Institutions accounted for 41.1% of the end-user in open banking market because they are the largest purchasers of open banking infrastructure. Facing threats from neobanks, traditional FIs are heavily investing in "modernization layers." Visa’s acquisition of Tink and subsequent integration into traditional bank cores exemplifies this spend.
In 2025, Bank of America committed $3.8 billion to new technology initiatives, with a significant portion allocated to API gateways that support the FDX standard. Furthermore, smaller community banks are consuming "Banking-as-a-Service" (BaaS) APIs to offer competitive digital products. The Independent Community Bankers of America (ICBA) reported that 65% of community banks partnered with an open banking aggregator in 2025 to offer PFM tools. They are buying the tech to survive.
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Europe remains the global apex of Open Banking market, commanding a 37.3% revenue share in 2025 due to the advanced regulatory transition from PSD2 to PSD3. The region has moved beyond basic data aggregation into complex "Commercial Variable Recurring Payments" (cVRP). The UK’s Open Banking Limited (OBL) reported in late 2025 that active user adoption hit 11.4 million consumers, representing a 16% YoY increase. This dominance is further fueled by the European Commission's Financial Data Access (FiDA) framework, which expanded data sharing to insurance and pensions.
Consequently, banks like NatWest reported a 45% surge in API payment volumes in their 2025 annual review, proving that commercialization is outpacing compliance. TrueLayer’s 2025 payment index highlighted that 1 in 8 UK e-commerce transactions now utilize open banking rails. Furthermore, the European Payments Council confirmed that SEPA Instant adoption reached 68% coverage, providing the necessary real-time infrastructure for these APIs to function at scale.
APAC is forecasted to achieve the highest CAGR (2026–2035) because it is leapfrogging card infrastructure entirely. The growth engine of the Asia Pacific’s open banking market is India’s Account Aggregator (AA) framework. As of December 2025, Sahamati (the AA industry alliance) reported over 120 million cumulative linked accounts, a massive jump from 2023 levels. Unlike Europe’s regulator-led approach, APAC growth is market-led and infrastructure-heavy.
In Southeast Asia, Bank Indonesia’s SNAP standards have standardized 85% of interbank API traffic, reducing integration costs for fintechs by half. Australia’s Consumer Data Right (CDR) has also evolved, the ACCC noted in mid-2025 that "Action Initiation" (allowing third parties to switch energy providers or open accounts) drove a 30% increase in API calls. Additionally, Singapore’s SGFinDex expanded to include stock exchange data, driving wealth management use cases. The region’s volume is high because the population density and digital wallet penetration are the highest globally.
North America stands as the most lucrative open banking market after Europe, rapidly standardizing following the CFPB’s finalization of Section 1033 in late 2024. This regulation effectively killed screen scraping, forcing a migration to secure APIs. The Financial Data Exchange (FDX) reported in their Fall 2025 summit that 92 million consumer accounts are now fully migrated to the FDX API standard, ensuring security and stability.
Major players like JPMorgan Chase and Plaid signed definitive "Data Access Agreements" in 2025 that explicitly banned credential sharing. This shift has improved API success rates to 99.9%, a metric cited in Mastercard’s 2025 innovation report. Furthermore, the Canadian government’s appointment of an Open Banking Lead finally operationalized their framework, unlocking a dormant market of 38 million people. The high revenue per user (ARPU) in the US makes this region financially denser than APAC, despite lower volume.
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Valued at USD 36.16 billion in 2025, the open banking market is set to reach USD 266.75 billion by 2035, growing at a 22.12% CAGR from 2026-2035, propelled by API standardization and VAS monetization.
PSD3/FiDA enables reasonable compensation for expanded data (e.g., insurance), boosting EU bank incentives; US Section 1033 bans screen-scraping, mandates free basic access but allows premium fees, accelerating NA commercialization.
Asia Pacific leads growth (fastest CAGR) via India's AA (120M+ accounts, 95% underwriting cost cut) and Brazil's Pix integration (75M consents), yielding superior inclusion-driven returns over Europe's compliance focus.
Premium tiered APIs (unlimited calls/SLAs), IDaaS (KYC verification at $0.50/call), and BaaS (NIM splits) dominate, shifting from free compliance to revenue—e.g., Deutsche Bank's premium deals cut merchant costs vs. cards.
Payment Initiation Services (PIS/VRP) capture 51.1% share with 35% YoY growth, slashing merchant fees 50-80% vs. cards; Brazil's 15% Pix via TPPs proves transactional rails now eclipse data aggregation.
Capitalists target infrastructure (consent platforms), vertical niches (gig worker income smoothing), and cross-border bridges (Pix-UPI), avoiding consumer apps for shovel plays in high-velocity API ecosystems.
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