Developer Programs
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Fintech Integration Network (FIN)
Jack Henry's Integration Program for Fintechs.
Technical Account Manager (TAM)
Get technical integration help from a single point of contact.
Developer Account
Create a developer acccount to access resources that help you integrate with Jack Henry.
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Shared Responsibility
Learn about shared roles and responsibilities of customers and Jack Henry in open banking.
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Docs
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.
Digital Core
Modernize with cloud-native core banking technology.
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.
Full List of APIs
Begin working with Jack Henry's public APIs to build financial applications today.
jXchange REST-Legacy Migration announced. Deadline for migration is July 31, 2026.
More info

Developer Resources

API by Reference > Core Services > Positive Pay Item Modification > Developer Resources

Details

SoapActionhttp://jackhenry.com/ws/PosPayItemMod
Input NamePosPayItemMod
Output NamePosPayItemModResponse
Input Namespacehttp://jackhenry.com/jxchange/TPG/2008
Group NameTransaction
ContainerTPG_TransactionMaster.xsd

XML Examples

Coming Soon.

PosPayItemMod FAQ

Coming Soon.

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Last updated Wed Mar 4 2026