What Is a Data Intermediary? Key Benefits and Why They Matter
March 17, 2025 | 7 min read
March 28, 2025|0 min read
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Today’s world is ruled by data. Financial institutions, fintechs, big tech, and other companies leverage consumer financial data to create products, services, recommendations, and campaigns. Unfortunately, financial data isn’t always collected through methods where the consumer is in control.
Consumer financial data access and control has historically been left up to the financial institutions, fintechs, and other third parties involved. While this approach has provided the groundwork for many innovations, it left consumers lacking the control, transparency, and security they so clearly want.
According to MX’s latest survey of 1,000+ American adults, 80% of U.S. adults agree that it is important for them to know and manage who has access to their data. In addition, nearly half (49%) of U.S. consumers agree they would freely share their data if they knew it was securely protected. Consumers are showing us what they want from their data — control, transparency, and security.
MX has always been an advocate that consumers should be in control of who can access their data. We believe consumers should be able to easily grant or revoke access at any time. An open finance ecosystem puts consumers in the driver seat. And, it enables smarter, faster, and more reliable money experiences.
Organizations like the Financial Data Exchange (FDX) are crucial to moving the industry forward, setting the standard for secure consumer-permissioned data sharing.
In this post, we will cover:
FDX is a non-profit industry standards body dedicated to unifying the financial services ecosystem around common, interoperable, and royalty-free technical standards for user-permissioned financial data sharing. Any company within the financial industry can contribute to the development, growth, and adoption of the FDX API and other objectives.
FDX is centered around five core data sharing principles that empower users:
With more than 94 million consumer accounts using the FDX API, the largest financial institutions and fintechs in the financial ecosystem widely adopt the FDX API standards.
FDX is governed by a diverse board of directors from across the financial services ecosystem, and FDX has a global membership that includes financial institutions, financial data aggregators, fintechs, industry utilities, payment networks, consumer groups, financial industry groups and other stakeholders involved in user-permissioned financial data sharing. Today, MX’s Chief Advocacy Officer and Head of Public Policy Jane Barratt serves as the co-chair of the FDX Board of Directors.
Is your organization a member of the 200 financial industry leaders innovating the financial ecosystem? Learn more here.
FDX’s open finance standards provide a comprehensive toolkit for building interoperable APIs. It is the culmination of over 600 components related to sharing personal financial data, helping to keep consumer data safe by eliminating the need to share credentials with third parties. The FDX API includes three components:
The FDX API is available on the FDX website without charge for parties that accept the terms and conditions of the FDX API License Agreement.
FDX standards put the consumer’s needs first. Enabling consumers to easily connect their accounts to see all of their data in one place creates positive outcomes for consumers and businesses alike. This is the promise of Open Finance.
Open Finance enables access and sharing of consumer data to even more financial products and services — not just banking, like Open Banking. This includes loans, consumer credit, investments, and pensions. It also enables wider integration of financial data with non-financial industries, such as healthcare and government. In Open Finance, consumers can grant trusted third parties access to their entire financial footprint for better experiences and personalized solutions to improve financial wellness.
FDX standards allow consumers to more easily connect their various financial accounts and data together into a single view — enabling a more seamless money experience. And, with the freedom and flexibility that Open Finance enables, consumers have more choice and control over the data they share and how they engage with their finances. They can gain unparalleled access to a broader range of products and services.
We previously wrote about the power of open access to data for financial institutions, fintechs, and other organizations. It enables:
With greater visibility into their customers, financial providers can provide more personalized recommendations, products, and services to meet their needs. Consistent standards also form a foundation for increased innovation and industry collaboration.
For business and consumers to benefit from the advantages of an Open Finance ecosystem, we believe the financial industry needs to embrace interoperability. This means consumer-permissioned data can easily flow from data providers — often credit unions and banks — to third-party data recipients (i.e., fintechs and other providers of financial products and services).
The FDX standard helps companies to build interoperable interfaces more easily by establishing clear technical standards that keep data flowing effectively and securely for consumers and businesses. This can help reduce cost, simplify integration with other parties, create more unified and reliable consumer experiences, and aid in regulatory compliance.
The U.S. Consumer Financial Protection Bureau (CFPB) published a final Section 1033 rule in October 2024 that will give consumers greater control and rights over their personal financial data. While next steps are currently uncertain in the face of multiple actions from Administration leaders and multiple lawsuits in the courts, this rulemaking fundamentally changes how consumers can access and share their financial data. As part of this rule, the CFPB calls out the need for “consensus standards” to meet requirements and a recognized standard-setting organization to help create that consensus. FDX received official recognition by the Consumer Financial Protection Bureau (CFPB) as an industry standard-setting body for the U.S. open banking ecosystem in January 2025. FDX is now in the process of updating a consensus standard data format that aligns with relevant portions of the rulemaking and supports compliance.
MX believes adopting FDX standards and embracing Open Finance will help build a more fair and competitive financial ecosystem that gives consumers more choice in where and how they manage their money, as well as greater insights to take control of their finances.
Adopting FDX standards and embracing Open Finance will enable financial institutions and fintechs to truly empower everyone to be financially strong with access to the right insights and products to support their financial goals.
MX continues to be a driving force at FDX by chairing and collaborating in key task forces and actively engaging on the Board of Directors. MX is also enabling financial institutions of all sizes to accelerate open finance adoption and enhance the money experience for consumers through Data Access. Data Access is an open API platform built on FDX standards that improves time-to-market and reduces costs to deliver secure data sharing, as well as provide the groundwork for greater insights about customer behaviors, trends, and needs. It provides financial institutions with the ability to monitor and manage where consumers are sharing their financial data and the tools to implement a more secure data-sharing experience with token-based connectivity.
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