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Fintech Integration Network (FIN)
Jack Henry's Integration Program for Fintechs.
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Shared Responsibility
Learn about shared roles and responsibilities of customers and Jack Henry in open banking.
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Admin API
Create solutions for an institution's back office support tools.
Authentication Framework
Map customer identities to your existing system IDs.
Consumer API
Access financial data for user accounts, transactions, and more.
Data Hub
Get deeper access to financial institution data.
Enterprise Event System
Respond to events in real-time using this powerful pub/sub-based solution.
jXchange - REST API
Translate business information between Jack Henry and 3rd-party apps using a REST-based API.
jXchange - SOAP API
Translate business information between Jack Henry and 3rd-party apps using a SOAP-based API.
Operational Data Integration (ODI)
Get customized queries for bulk data needs.
Payments
Embed check deposits, ACH, bill pay, cards, and real-time payments.
Plugin Framework
Embed the best of the fintech world directly into your user's dashboard.
SymXchange
Query Symitar core member accounts, post transactions, run PowerOn scripts, and more.
Xperience
Modern UI that provides consistent visual integration across Jack Henry products.
Full List of APIs
Begin working with Jack Henry's public APIs to build financial applications today.
The ISO 20022 conversion occurs July 11-14th, 2025. Additionally, DMZ SilverLake and CIF 2020 institutions maintenance window declared for July 16-18, 2025.
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Core Reference Resources

Core Reference Resources

The Core Reference Resources section is intended to provide a deeper review of APIs available for use by a banking core. Message Briefs, X-Mappings, Error Codes, etc may be found within the API by Reference - Core Services pages.

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Last updated Tue May 20 2025