FDX Announces Spring 2025 API Release – FDX API Version 6.4

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Financial Data Exchange (FDX) has released the Spring 2025 edition of its financial data sharing API, FDX API v6.4. Developed by a diverse membership, this latest release introduces notable technical updates and documentation enhancements that support continued market innovation and interoperability.

Version 6.4 incorporates 24 new RFCs and includes:

Updates to YAML data structures to support greater flexibility and clarity in implementation.
The new CSDF Security Model and Profile aligned with current market practices.
Revised FDX User Experience Guidelines, designed to improve consumer clarity and consistency.
A Consent API Behavioral Specification, which adds implementation-level detail for handling user permissions and consent events.
A new FDX Consensus Standard Data Format (CSDF) v1, a tailored set of requirements relevant for demonstrating indicia of compliance with data formatting requirements in the CFPB’s Personal Financial Data Rights Rulemaking

These updates reflect ongoing industry collaboration and are designed to help build API solutions that align with emerging data access expectations—whether regulatory or market-driven.

FDX recently reported 114 million customer connections in the U.S. and Canada, supporting continued growth and adoption across the financial ecosystem. Access the FDX API for free and learn more about membership here.

About FDX

Financial Data Exchange, LLC (FDX) is a non-profit organization operating in the US and Canada that is dedicated to unifying the ﬁnancial industry around a common, interoperable, royalty-free standard for secure and convenient consumer and business access to their financial data. FDX empowers users through its commitment to the development, growth, and industry-wide adoption of the FDX API, according to the principles of control, access, transparency, traceability, and security. Membership is open to financial institutions, fintech companies, financial data aggregators, consumer advocacy groups, payment networks and other industry stakeholders. FDX is an independent subsidiary of FS-ISAC. For more information and to join, visit www.financialdataexchange.org.