Global Real-Time Payments and A2A Infrastructure 2026: Market Growth, Multi-Rail Models, and Cross-Border Interoperability

PUBLISHED: May 8, 2026

PAGES: 79 Pages

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Description

Global Real-Time Payments and A2A Infrastructure Expand as Multi-Rail Ecosystems Reshape Payment Economics

Key Highlights

Worldwide, real-time payment transactions are projected to more than double from over 260 billion in 2023 to more than 575 billion by 2028, reflecting continued expansion of instant payment infrastructure globally.
Global A2A transaction volumes are forecast to increase from 60 billion in 2024 to over 185 billion by 2029, indicating accelerating adoption of lower-cost account-based payment rails.
In 2025, more than 75% of payment executives globally identified debit and prepaid cards as most exposed to disruption from A2A payments, highlighting increasing pressure on traditional domestic payment models.

Real-Time Payment Infrastructure Expands Across Global Markets

Real-time payment systems continue scaling globally across both developed and emerging markets. India and Brazil remain among the leading RTP markets, while Europe expands instant payment infrastructure through SEPA Instant and PSD2 frameworks. The U.S. market also continues developing RTP and FedNow systems alongside existing ACH infrastructure.

Multi-Rail Payment Models Influence Payment Economics

The expansion of A2A and instant payment systems continues influencing payment monetization globally. Card-based payment systems remain linked to interchange and processing fee structures, while many account-based payment systems operate with lower transaction pricing. Payment providers increasingly operate within multi-rail environments combining cards, RTP systems, ACH infrastructure, and digital wallets.

Cross-Border Infrastructure and Open Banking Continue Facing Constraints

Despite expanding domestic RTP adoption, cross-border payments remain dependent on fragmented national infrastructure and correspondent banking systems. Most A2A systems continue operating primarily within domestic markets, while open banking adoption faces challenges related to fraud concerns, onboarding complexity, and regulatory fragmentation.

Product Code: 1718

1. Key Takeaways

2. Management Summary

3. Global Real-Time Payments Market Overview

3.1. Global RTP Transaction Growth
Global: Real-Time Payment Transactions, in billions of Transactions, and Growth Rates, 2022-2023 & 2028f
Global: Non-Cash Transactions, in billions of Transactions, and Growth Rates, 2018, 2021-2024f & 2028f
Global: Instant Payments as Share of Non-Cash Transaction Volume, in %, 2023 & 2028f
Global: Share of Real-Time Payments in Total Electronic Transactions, in %, 2023 & 2028f
3.2. Global A2A and E-Commerce Payment Trends
Global: Share of Real-Time Account-to-Account Payments in Total Retail Payments, in %, 2024
Global: Payment Methods in E-Commerce, in % of E-Commerce Transaction Value, 2025 & 2030f
Global: E-Commerce Share of Checkout by Payment Method, in % of Transaction Value, 2023 & 2027f
3.3. Global RTP Market Concentration
Global: Top Five Real-Time Payment Markets by Transaction Volume and Year-on-Year Growth, in billions of Transactions and %, 2023
Global: Instant Payment Penetration and Year-on-Year Volume Growth by Region, in %, 2024
Global: A2A Transaction Volume, in billions, and Total Growth, 2024 & 2029f

4. Global Payment Economics and Industry Structure

4.1. Revenue Models in RTP and A2A Payments
Global: Impact of A2A Payments and Alternative Rails on Revenue Pools, April 2026
Global: A2A Payment Monet. Models, Fee Structures, Cost Allocation and Value-Added Services, April 2026
Global: Real-Time Paym. Business Models, Value Capture, Revenue Layers and Comp. Positioning, Apr 2026
Global: Payment Value Chain Profit Pools, Issuing, Acquiring, Processing, and Revenue Layers, April 2026
Global: Commercial Payment Revenue Distribution by Region, in % of Total Payment Revenues, 2024
Global: Consumer Payment Revenue Distribution by Region, in % of Total Payment Revenues, 2024
Global: Revenue Structure and Monetization Mechanisms Across Card and A2A Payment Models, April 2026
4.2. Multi-Rail Infrastructure and Payment Orchestration
Global: Strategic Responses to A2A Payments and Multi-Rail Ecosystems, April 2026
Global: Multi-Rail Payment, Orchestration Adoption, Infrastructure Positioning, and Revenue Models, Apr 2026
4.3. Merchant Economics and Cost Structures
Global: Merchant Payment Acceptance Costs for Card-Based and A2A Transactions, April 2026
Global: Card Type Selected as Most Impacted by A2A Payments, in % of Payment Executives, 2025
Global: Merchant Acceptance of Selected Payment Methods, in % of Respondents, 2023 & 2025e

5. Global and Regional Cross-Border Payments and Interoperability

5.1. Cross-Border A2A Payment Challenges
Global: Cross-Border A2A Payment Limitations and Card Network Dominance, April 2026
5.2. Emerging Interoperability Initiatives
Europe: SEPA Instant Credit Transfer Usage Patterns Across Retail Transactions, May 2026
Europe: Use of Open Banking Payments Across Transaction Types, May 2026
Europe: Development and Rollout of EPI's Wero Payment System, May 2026

6. Global and Regional Drivers and Barriers of RTP Adoption

6.1. Adoption Drivers
Global: Success Factors Behind UPI and Pix, Policy Mandates, Cost Structures, and Infrastr. Design, Apr 2026
6.2. Adoption Barriers
Global: Open Banking Payment Adoption Barriers, Merchant, Consumer, and Regulatory Constraints, Apr 2026
U.S.: Structural Barriers to Real-Time and A2A Payment Adoption, April 2026

7. Regional RTP and A2A Payment Markets

7.1. North America
- 7.1.1. United States
U.S.: Real-Time Payment Transactions, in billions of Transactions, and CAGR, 2023 & 2028f
U.S.: Real-Time Payment Network Participation and Usage, FedNow vs RTP, April 2026
U.S.: Consumer Payment Behavior and Relative Usage of Payment Methods, April 2026
U.S.: Role of ACH and Same-Day ACH in Account-to-Account Payment Infrastructure, April 2026
U.S.: Bank Priorities in Payment Initiatives by Implementation Timeline, in % of Respondents, 2025
7.2. Europe
- 7.2.1. Europe Overview
Europe: Share of Instant Credit Transfers in Total Credit Transfers, by Volume and Value, in %, H1 2025
Europe: Instant Payments Share of Total Electronic Payments, in %, 2023 & 2028f
Europe: Variation in Payment Instrument Usage Across Selected Markets, May 2026
- 7.2.2. United Kingdom
United Kingdom: Real-Time Payment Transactions, in Billions of Transactions, and CAGR, 2023 & 2028f
United Kingdom: Payment Methods Considered Important by Merchants, in % of Respondents, Q2 2024
United Kingdom: Benefits Achieved by Offering Open Banking Payments, in % of Merchants, Q2 2024
United Kingdom: Merchants Biggest Frustrations with Current Payment Solutions, in % of Merchants, Q2 2024
- 7.2.3. Germany
Germany: Real-Time Payment Transactions, in Billions of Transactions, and CAGR, 2023 & 2028f
7.3. Asia-Pacific
- 7.3.1. India
India: UPI Transaction Volume, in Billions of Transactions, and Growth Rates, 2022-2023 & 2028f
- 7.3.2. China
China: Structure of Electronic Payment Transactions and Role of Mobile Payment Channels, April 2026
China: Payment System Infrastr., Bank Account Base, and Role of Electronic Payment Transactions, Apr 2026
China: Real-Time Payment Transactions, in Billions of Transactions, and CAGR, 2023 & 2028f
- 7.3.3. Singapore
Singapore: Real-Time Payment Transactions, in Millions of Transactions, and CAGR, 2023 & 2028f

7.4. Latin America
- 7.4.1. Brazil
Brazil: Pix Transaction Value, in BRL billions, April 2024 - March 2026
Brazil: Pix Transaction Volume, in billions of Transactions, April 2024 - March 2026
7.5. Middle East
- 7.5.1. Middle East Overview
Middle East: Real-Time Payment Transactions, in billions of Transactions, and CAGR, 2023 & 2028f
- 7.5.2. Saudi Arabia
Saudi Arabia: Real-Time Payment Transactions, in Billions of Transactions, and CAGR, 2023 & 2028f

8. Global Competitive Landscape and Future Outlook

8.1. Emerging Trends and Future Areas to Watch
Global: Impact of A2A Payment Expansion on Card Network Value Pools and Transaction Segments, Apr 2026
Global: Cross-Border Payment Infrast., Interoperability Models, and System Integration Approaches, May 2026
Global: AI Applications in Payment Processing, Fraud Detection, and Operational Infrastructure, May 2026
Global: Stablecoins, Tokenized Deposits, and Blockchain-Based Settlement in Payment Systems, May 2026