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.
Developer Use Cases
Find a use case that fits your development needs.
Developer Video Gallery
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Developer Conference
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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

Mappings

API by Reference > Core Services > Loan Payment Schedule Modification > Providers > SilverLake > Mappings

Request JHFREFAPI ERROVRRD Error Override? ErrOvrRdInfoArray.ErrOvrRd.ErrCode 245 NA String LNSCHD SKEY Account Number AccountId.AcctId 16 Integer SKEYA Account TYPE AccountId.AcctType 1 SSEQ Sequence Number LnPmtSchedKey 3 SFREQ Payment Frequency LnPmtSchedInfo.PmtTerm SFREQC Payment Freq code LnPmtSchedInfo.PmtTermUnits SSMDY1 Semi Mnthly 1st day LnPmtSchedInfo.SemiDay1 2 SSMDY2 Semi Mnthly 2nd day LnPmtSchedInfo.SemiDay2 STERM Payment Term LnPmtSchedInfo.PmtSchedNum SPMTC Payment Code LnPmtSchedInfo.PmtCode SPANDI P & I Amount LnPmtSchedInfo.PIAmt 11 SAMT Payment Amount LnPmtSchedInfo.PmtAmt SEAMT Escrow Amount LnPmtSchedInfo.EscrwPmtAmt SBDAT7 Beg Date YYYYDDD LnPmtSchedInfo.PmtStartDt 7 SEDAT7 End Date YYYYDDD LnPmtSchedInfo.PmtEndDt SRPTFQ Repeat Frequency LnPmtSchedInfo.RepPmtSchedTerm.TermCnt SSKIP Skip Payment LnPmtSchedInfo.SuspPmtSchedCode SREP Repeat LnPmtSchedInfo.RepPmtSchedNum Delete Dlt SRPTCD Repeat Freq Code LnPmtSchedInfo.RepPmtSchedTerm.TermUnits LnPmtSchedInfo.SvcPrvdInfo.SilverLake.SchedAct LNMAST NPDT Next Pymt Due Date LnPmtSchedInfo.SvcPrvdInfo.SilverLake.NxtPmtDueDt PRTPMT Partial Pymt Amt LnPmtSchedInfo.SvcPrvdInfo.SilverLake.PartPmtAmt SMADE #Payments Made LnPmtSchedInfo.NumPmtsPaid Response PASSFAIL Pass/Fail Status RsStat 20

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Last updated Wed Mar 4 2026