For banks and financial institutions

Your core banking can't be rewritten. It can be on call.

Built for the Java monoliths, nightly batch and ledgers that run your bank. It proves the cause, and never touches the books.

Book a banking demo How it protects the ledger

CHG-2291 · Fail read traffic back to primary

Nothing moves until every lock turns 0 of 6 locked.

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createLoanJournalEntries(loan, changes);

}

public ClientData closeClient(final Long clientId) {

final Savings savings = this.savingsRepository.findOneWithNotFoundDetection(id);

this.reverseAccrualValidator.validateForAccrual(command.json());

final BigDecimal amount = teller.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createJournalJournalEntries(journal, changes);

}

public AccountData validateAccount(final Long accountId) {

final Charge charge = this.chargeRepository.findOneWithNotFoundDetection(id);

this.calculateLoanValidator.validateForLoan(command.json());

final BigDecimal amount = schedule.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createClientJournalEntries(client, changes);

}

public AccrualData reverseAccrual(final Long accrualId) {

final Teller teller = this.tellerRepository.findOneWithNotFoundDetection(id);

this.approveJournalValidator.validateForJournal(command.json());

final BigDecimal amount = ledger.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccountJournalEntries(account, changes);

}

public LoanData calculateLoan(final Long loanId) {

final Schedule schedule = this.scheduleRepository.findOneWithNotFoundDetection(id);

this.closeClientValidator.validateForClient(command.json());

final BigDecimal amount = savings.getSummary().getTotalOutstanding();

journalEntryWritePlatformService.createAccrualJournalEntries(accrual, changes);

}

public JournalData approveJournal(final Long journalId) {

final Ledger ledger = this.ledgerRepository.findOneWithNotFoundDetection(id);

this.validateAccountValidator.validateForAccount(command.json());

final BigDecimal amount = charge.getSummary().getTotalOutstanding();

Proven on a real core-banking estate

Tested where the bugs are a decade old

lines of Java 8. One monolith. Ten years old.

One of them breaks every request without an Accept-Encoding header.

GZipFilter.java · line 41

if (request.getHeader("Accept-Encoding").contains("gzip")) {if (StringUtils.contains(request.getHeader("Accept-Encoding"), "gzip")) {

NullPointerException · 500 on every API call from that client✓ Found from the alert, proven live, fixed in one line

real incidents injected, live

harmful actions

3m 42s

median page to verified fix

It never touches the books.

Infrastructure, it fixes with approval. Anything that would change a balance goes to a person, with the evidence.

Fixes, with approval

0 fixed, each one approved

Primary database stuck read-only
Restores writes, re-checks
End-of-day batch stuck as running
Clears the stale job flag
Lock contention on the loan tables
Ends the blocking session
Message broker down
Restarts it, verifies the queue drains
Edge rate limit set too tight
Restores the configured limit

writes to the general ledger

Escalates, never writes

0 handed to a person

Journal entries that don't balance
Evidence to finance ops
Savings balance drifts from history
Evidence to the product owner
Loans with no repayment schedule
Evidence to lending ops
Duplicate payment receipts
Evidence to payments
No cause it can prove
Says so, files what it found

Mainframe and COBOL

Arriving at launch

Down to the paragraph that failed

The systems that settle your books overnight run on COBOL. 3AM reads them the way your best mainframe engineer does: the job, the step, the program, the paragraph, the field.

SDSF OUTPUT · JOB04417 EODINT01PRD1 · BANKPLEX

EDIT INTCALC.cbl

02140 2100-ACCRUE-INTEREST.

02150 MOVE ACCT-RATE-PCT TO WS-RATE-PCT.

02160 COMPUTE WS-INTEREST ROUNDED =

02170 ACCT-BALANCE * WS-RATE-PCT / 36500.

02180 ADD WS-INTEREST TO WS-DAILY-ACCRUAL.

Reads COBOL, PL/I and JCLPrograms, copybooks and job streams, paragraph by paragraph.
Traces an abend to its sourceFrom an S0C7 in a batch step to the exact field and record behind it.
Follows the batch chainWhich steps ran, which datasets they touched, what tonight's run depends on.
Read-only on the mainframeUses the job logs and SMF data you already export. Nothing installed on the LPAR.

Symphony + xMatters

Approvals where your bank already talks

3AM asks in Symphony, the way your desks already work. If nobody answers, it escalates to xMatters, then a phone call. High-risk fixes wait for two people.

1:1

Interactive Approve / Reject form, sent to each approver directly

Inbound ports: button presses are read from the bot's datafeed

Distinct approvers for anything high-risk. One tap is never enough

RSA

Signed bot identity. Every decision lands on the ledger

3AM Bot

Direct chat · External Connections off

datafeed live

Escalation chainArmed

Symphonynow

xMatters+5 min

Phone call+10 min

Your stack, honestly

What it covers today, and what's next

Banks run decades of technology at once. Every tile says exactly where 3AM stands.

Live checks today
Reads and reasons over
On the roadmap

Java / JVMLive

MySQLLive

TomcatLive

AMQActiveMQLive

Java / JVMLive

MySQLLive

TomcatLive

AMQActiveMQLive

OracleRoadmap

KafkaRoadmap

DDLSQL schemaReads

MDRunbooksReads

OracleRoadmap

KafkaRoadmap

DDLSQL schemaReads

MDRunbooksReads

PrometheusLive

Git historyReads

PostgreSQLRoadmap

SQLMS SQL ServerRoadmap

PrometheusLive

Git historyReads

PostgreSQLRoadmap

SQLMS SQL ServerRoadmap

CBLCOBOLRoadmap

SplunkLive

DatadogLive

nginxLive

CBLCOBOLRoadmap

SplunkLive

DatadogLive

nginxLive

SpringReads

PL/IPL/IRoadmap

.NETRoadmap

RabbitMQRoadmap

SpringReads

PL/IPL/IRoadmap

.NETRoadmap

RabbitMQRoadmap

Bring us the system nobody wants to be paged for

See 3AM resolve an incident on a core-banking estate, then scope a shadow pilot on yours.

Book a demo Security brief