diff --git a/services/token-aggregation/public/omnl-compliance-console.html b/services/token-aggregation/public/omnl-compliance-console.html
index 0dc4e2d..da790d4 100644
--- a/services/token-aggregation/public/omnl-compliance-console.html
+++ b/services/token-aggregation/public/omnl-compliance-console.html
@@ -51,6 +51,11 @@
       </section>
     </div>
 
+    <section class="section card">
+      <h2>HO nostro &amp; reserve coverage</h2>
+      <div id="ho-liquidity-kv"></div>
+    </section>
+
     <section class="section card">
       <h2>Triple-state reconcile</h2>
       <div id="triple-summary"></div>
diff --git a/services/token-aggregation/public/omnl-compliance-console.js b/services/token-aggregation/public/omnl-compliance-console.js
index e7d2189..237c19f 100644
--- a/services/token-aggregation/public/omnl-compliance-console.js
+++ b/services/token-aggregation/public/omnl-compliance-console.js
@@ -12,6 +12,7 @@
     safe: document.getElementById('safe-kv'),
     external: document.getElementById('external-kv'),
     triple: document.getElementById('triple-summary'),
+    hoLiquidity: document.getElementById('ho-liquidity-kv'),
     signoffs: document.getElementById('signoffs-summary'),
     raw: document.getElementById('raw-json'),
     refreshed: document.getElementById('refreshed-at'),
@@ -147,6 +148,24 @@
     ]);
   }
 
+  function renderHoLiquidity(snap) {
+    if (!els.hoLiquidity) return;
+    if (!snap) {
+      els.hoLiquidity.textContent = 'HO liquidity snapshot unavailable.';
+      return;
+    }
+    const cash = snap.cashInBank || {};
+    const cov = snap.reserveCoverage || {};
+    els.hoLiquidity.innerHTML = kv([
+      ['Generated', snap.generatedAt],
+      ['Nostro cash (GL 13010)', cash.cashInBankUsd != null ? '$' + Number(cash.cashInBankUsd).toLocaleString() : '—'],
+      ['Reserve coverage', cov.coverageRatio != null ? cov.coverageRatio.toFixed(2) + '×' : '—'],
+      ['Reserve assets', cov.reserveAssetsUsd != null ? '$' + Number(cov.reserveAssetsUsd).toLocaleString() : '—'],
+      ['Issued c* USD', cov.issuedCStarUsd != null ? '$' + Number(cov.issuedCStarUsd).toLocaleString() : '—'],
+      ['Public API', '/token-aggregation/api/v1/omnl/ho-liquidity-snapshot'],
+    ]);
+  }
+
   function renderTriple(data) {
     const t = data.tripleReconcile;
     if (!t) {
@@ -198,6 +217,12 @@
       renderSafe(data);
       renderExternal(data);
       renderTriple(data);
+      try {
+        const hoRes = await fetch(apiUrl('/omnl/ho-liquidity-snapshot'), { headers: apiHeaders() });
+        if (hoRes.ok) renderHoLiquidity(await hoRes.json());
+      } catch (_) {
+        renderHoLiquidity(null);
+      }
       renderSignoffs(data);
       els.raw.textContent = JSON.stringify(data, null, 2);
       els.refreshed.textContent = 'Updated ' + new Date(data.generatedAt).toLocaleString();
diff --git a/services/token-aggregation/src/api/routes/omnl-payout-journal-routes.ts b/services/token-aggregation/src/api/routes/omnl-payout-journal-routes.ts
new file mode 100644
index 0000000..23d9f4f
--- /dev/null
+++ b/services/token-aggregation/src/api/routes/omnl-payout-journal-routes.ts
@@ -0,0 +1,101 @@
+import { Router, Request, Response } from 'express';
+import { omnlRateLimiter } from '../middleware/rate-limit';
+import { omnlRequireApiKeyInProduction } from '../middleware/omnl-guards';
+import { omnlAuditMiddleware } from '../middleware/omnl-audit-middleware';
+import {
+  createJournalEntry,
+  postJournalEntry,
+  reverseJournalEntry,
+  getJournalEntry,
+  createBalanceReservation,
+  releaseBalanceReservation,
+  getBalanceReservation,
+} from '../../services/omnl-payout-journal';
+
+const router = Router();
+router.use(omnlRateLimiter);
+router.use(omnlAuditMiddleware);
+router.use(omnlRequireApiKeyInProduction);
+
+function routeParam(value: string | string[] | undefined): string {
+  if (Array.isArray(value)) return value[0] ?? '';
+  return value ?? '';
+}
+
+/**
+ * POST /journal-entries — payout orchestrator integration (CR-004).
+ */
+router.post('/journal-entries', (req: Request, res: Response) => {
+  try {
+    const record = createJournalEntry(req.body ?? {});
+    res.status(201).json(record);
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    res.status(msg.includes('invalid') ? 422 : 400).json({ error: msg });
+  }
+});
+
+router.get('/journal-entries/:id', (req: Request, res: Response) => {
+  const record = getJournalEntry(routeParam(req.params.id));
+  if (!record) {
+    res.status(404).json({ error: 'not found' });
+    return;
+  }
+  res.json(record);
+});
+
+router.post('/journal-entries/:id/post', (req: Request, res: Response) => {
+  try {
+    res.json(postJournalEntry(routeParam(req.params.id)));
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    res.status(msg.includes('not found') ? 404 : 422).json({ error: msg });
+  }
+});
+
+router.post('/journal-entries/:id/reverse', (req: Request, res: Response) => {
+  try {
+    res.json(reverseJournalEntry(routeParam(req.params.id)));
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    res.status(msg.includes('not found') ? 404 : 422).json({ error: msg });
+  }
+});
+
+/**
+ * POST /balance-reservations — reserve funds before payout dispatch.
+ */
+router.post('/balance-reservations', (req: Request, res: Response) => {
+  try {
+    const body = req.body ?? {};
+    if (!body.instructionId || body.amount == null || !body.currency) {
+      res.status(400).json({ error: 'instructionId, amount, currency required' });
+      return;
+    }
+    const record = createBalanceReservation(body);
+    res.status(201).json(record);
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    res.status(400).json({ error: msg });
+  }
+});
+
+router.get('/balance-reservations/:id', (req: Request, res: Response) => {
+  const record = getBalanceReservation(routeParam(req.params.id));
+  if (!record) {
+    res.status(404).json({ error: 'not found' });
+    return;
+  }
+  res.json(record);
+});
+
+router.delete('/balance-reservations/:id', (req: Request, res: Response) => {
+  try {
+    res.json(releaseBalanceReservation(routeParam(req.params.id)));
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    res.status(msg.includes('not found') ? 404 : 422).json({ error: msg });
+  }
+});
+
+export default router;
diff --git a/services/token-aggregation/src/api/server.ts b/services/token-aggregation/src/api/server.ts
index 9344ddf..54852ee 100644
--- a/services/token-aggregation/src/api/server.ts
+++ b/services/token-aggregation/src/api/server.ts
@@ -23,6 +23,7 @@ import partnerPayloadRoutes from './routes/partner-payloads';
 import plannerV2Routes from './routes/planner-v2';
 import omnlRoutes from './routes/omnl';
 import omnlIpsasRoutes from './routes/omnl-ipsas';
+import omnlPayoutJournalRoutes from './routes/omnl-payout-journal-routes';
 import omnlComplianceRoutes from './routes/omnl-compliance-routes';
 import omnlTerminalRoutes from './routes/omnl-terminal-routes';
 import checkpointRoutes from './routes/checkpoint';
@@ -303,6 +304,7 @@ export class ApiServer {
     this.app.use('/api/v1', omnlTerminalRoutes);
     this.app.use('/api/v1', omnlRoutes);
     this.app.use('/api/v1', omnlIpsasRoutes);
+    this.app.use('/api/v1', omnlPayoutJournalRoutes);
     this.app.use('/api/v2', plannerV2Routes);
 
     // Admin routes (stricter rate limit)
diff --git a/services/token-aggregation/src/index.ts b/services/token-aggregation/src/index.ts
index ad684f2..7e4876c 100644
--- a/services/token-aggregation/src/index.ts
+++ b/services/token-aggregation/src/index.ts
@@ -6,6 +6,7 @@ import { closeDatabasePool } from './database/client';
 import { logger } from './utils/logger';
 import { startRouteMatrixScheduler } from './services/route-matrix-scheduler';
 import { startGruReserveCapacityScheduler } from './services/gru-reserve-capacity-scheduler';
+import { startOmnlHoLiquidityScheduler } from './services/omnl-ho-liquidity-scheduler';
 import { startIso4217FxScheduler } from './services/iso4217-fx-refresh';
 
 // Load smom-dbis-138 root .env first (single source); works from dist/ or src/
@@ -31,6 +32,7 @@ try {
 const server = new ApiServer();
 startRouteMatrixScheduler();
 startGruReserveCapacityScheduler();
+startOmnlHoLiquidityScheduler();
 startIso4217FxScheduler();
 
 // Start server
diff --git a/services/token-aggregation/src/services/omnl-api-catalog.ts b/services/token-aggregation/src/services/omnl-api-catalog.ts
index 8d49d75..eb8c932 100644
--- a/services/token-aggregation/src/services/omnl-api-catalog.ts
+++ b/services/token-aggregation/src/services/omnl-api-catalog.ts
@@ -66,6 +66,13 @@ export function getOmnlApiCatalog(): {
       { method: 'POST', path: '/omnl/terminal/alchemy/rpc', description: 'Alchemy JSON-RPC (read/estimate methods)', body: '{ network, method, params }', auth: 'OMNL_API_KEY' },
       { method: 'POST', path: '/omnl/terminal/alchemy/prices', description: 'Alchemy token prices by address', body: '{ network, addresses[] }', auth: 'OMNL_API_KEY' },
       { method: 'POST', path: '/omnl/terminal/alchemy/tx-prep', description: 'Prepare unsigned ERC-20 transfer calldata via Alchemy (dry-run default)', body: '{ network, from, to, tokenAddress, amount, dryRun }', auth: 'OMNL_API_KEY' },
+      { method: 'POST', path: '/journal-entries', description: 'Create payout journal entry draft (IPSAS-validated pair)', auth: 'OMNL_API_KEY' },
+      { method: 'GET', path: '/journal-entries/:id', description: 'Get journal entry by id', auth: 'OMNL_API_KEY' },
+      { method: 'POST', path: '/journal-entries/:id/post', description: 'Post journal entry to ledger path', auth: 'OMNL_API_KEY' },
+      { method: 'POST', path: '/journal-entries/:id/reverse', description: 'Reverse posted journal entry', auth: 'OMNL_API_KEY' },
+      { method: 'POST', path: '/balance-reservations', description: 'Reserve balance before payout dispatch', auth: 'OMNL_API_KEY' },
+      { method: 'GET', path: '/balance-reservations/:id', description: 'Get balance reservation', auth: 'OMNL_API_KEY' },
+      { method: 'DELETE', path: '/balance-reservations/:id', description: 'Release balance reservation', auth: 'OMNL_API_KEY' },
     ],
   };
 }
diff --git a/services/token-aggregation/src/services/omnl-ho-liquidity-scheduler.ts b/services/token-aggregation/src/services/omnl-ho-liquidity-scheduler.ts
new file mode 100644
index 0000000..ef20be9
--- /dev/null
+++ b/services/token-aggregation/src/services/omnl-ho-liquidity-scheduler.ts
@@ -0,0 +1,47 @@
+import { logger } from '../utils/logger';
+import { buildHoLiquiditySnapshot } from './omnl-ho-liquidity-snapshot';
+
+let intervalHandle: ReturnType<typeof setInterval> | null = null;
+
+export function startOmnlHoLiquidityScheduler(): void {
+  const enabled =
+    String(process.env.OMNL_HO_LIQUIDITY_LIVE || '1').toLowerCase() === '1' ||
+    String(process.env.OMNL_HO_LIQUIDITY_LIVE || '').toLowerCase() === 'true';
+  if (!enabled) {
+    return;
+  }
+
+  const intervalMs = Math.max(
+    60_000,
+    parseInt(process.env.OMNL_HO_LIQUIDITY_INTERVAL_MS || '1800000', 10) || 1_800_000,
+  );
+
+  const tick = async () => {
+    try {
+      const snap = await buildHoLiquiditySnapshot({ forceRefresh: true });
+      logger.info('HO nostro liquidity cache refreshed', {
+        cashInBankUsd: snap.cashInBank.cashInBankUsd,
+        coverageRatio: snap.reserveCoverage.coverageRatio,
+        alerts: snap.alerts.length,
+      });
+    } catch (error) {
+      logger.warn('HO nostro liquidity refresh failed', {
+        error: error instanceof Error ? error.message : String(error),
+      });
+    }
+  };
+
+  void tick();
+  intervalHandle = setInterval(() => {
+    void tick();
+  }, intervalMs);
+
+  logger.info('HO nostro liquidity live scheduler enabled', { intervalMs });
+}
+
+export function stopOmnlHoLiquidityScheduler(): void {
+  if (intervalHandle) {
+    clearInterval(intervalHandle);
+    intervalHandle = null;
+  }
+}
diff --git a/services/token-aggregation/src/services/omnl-ho-liquidity-snapshot.ts b/services/token-aggregation/src/services/omnl-ho-liquidity-snapshot.ts
index 44078a6..504eadb 100644
--- a/services/token-aggregation/src/services/omnl-ho-liquidity-snapshot.ts
+++ b/services/token-aggregation/src/services/omnl-ho-liquidity-snapshot.ts
@@ -1,8 +1,10 @@
 import { getCachedHoReserveCoverageSnapshot, type HoReserveCoverageInfo } from './chain138-ho-reserve-coverage';
 import {
+  evaluateSupplyNostroMatch,
   getCachedCashInBankAuditSnapshot,
   loadNostroPolicy,
   type CashInBankAuditSnapshot,
+  type SupplyNostroMatchInfo,
 } from './omnl-cash-in-bank-audit';
 import { fineractConfigured } from './omnl-fineract-office-gl';
 
@@ -22,6 +24,7 @@ export interface HoLiquiditySnapshot {
   fineractConfigured: boolean;
   cashInBank: CashInBankAuditSnapshot;
   reserveCoverage: HoReserveCoverageInfo;
+  aggregateSupplyNostroMatch?: SupplyNostroMatchInfo;
   alerts: HoLiquidityAlert[];
   auditMaxAgeMinutes: number;
 }
@@ -60,6 +63,15 @@ export function evaluateHoLiquidityAlerts(input: {
       severity: 'critical',
       message: `Reserve coverage ${reserveCoverage.coverageRatio.toFixed(2)}× below 1.0× required`,
     });
+  } else if (
+    reserveCoverage.coverageRatio > 0
+    && reserveCoverage.coverageRatio < Number(process.env.OMNL_HO_RESERVE_COVERAGE_WARN_RATIO || 1.2)
+  ) {
+    alerts.push({
+      code: 'RESERVE_COVERAGE_LOW',
+      severity: 'warning',
+      message: `Reserve coverage ${reserveCoverage.coverageRatio.toFixed(2)}× below ${Number(process.env.OMNL_HO_RESERVE_COVERAGE_WARN_RATIO || 1.2)}× policy target`,
+    });
   }
 
   const ageMin = (Date.now() - new Date(generatedAt).getTime()) / 60_000;
@@ -82,6 +94,27 @@ export function evaluateHoLiquidityAlerts(input: {
   return alerts;
 }
 
+function patchCashInBankAuditWithAggregateMatch(
+  cashInBank: CashInBankAuditSnapshot,
+  aggregateMatch: SupplyNostroMatchInfo,
+): CashInBankAuditSnapshot {
+  const supplyStatus = aggregateMatch.status === 'matched'
+    ? 'aligned'
+    : aggregateMatch.status === 'break'
+      ? 'breaks'
+      : cashInBank.audit.status;
+  return {
+    ...cashInBank,
+    audit: {
+      ...cashInBank.audit,
+      status: supplyStatus,
+      supplyNostroMatch: aggregateMatch.status,
+      breaksCount: aggregateMatch.status === 'break' ? 1 : 0,
+    },
+    supplyNostroMatch: aggregateMatch,
+  };
+}
+
 export async function buildHoLiquiditySnapshot(options?: {
   officeId?: number;
   forceRefresh?: boolean;
@@ -102,9 +135,16 @@ export async function buildHoLiquiditySnapshot(options?: {
     getCachedHoReserveCoverageSnapshot({ officeId, forceRefresh }),
   ]);
 
+  const aggregateSupplyNostroMatch = evaluateSupplyNostroMatch({
+    totalSupplyUsd: reserveCoverage.issuedCStarUsd,
+    externalNostroCashUsd: cashInBank.cashInBankUsd,
+    headOfficeId: officeId,
+  });
+  const cashInBankEnriched = patchCashInBankAuditWithAggregateMatch(cashInBank, aggregateSupplyNostroMatch);
+
   const generatedAt = new Date(
     Math.max(
-      new Date(cashInBank.generatedAt).getTime(),
+      new Date(cashInBankEnriched.generatedAt).getTime(),
       new Date(reserveCoverage.generatedAt).getTime(),
     ),
   ).toISOString();
@@ -115,9 +155,10 @@ export async function buildHoLiquiditySnapshot(options?: {
     policyId: policy.policyId,
     policyRef: policy.policyRef,
     fineractConfigured: fineractConfigured(),
-    cashInBank,
+    cashInBank: cashInBankEnriched,
     reserveCoverage,
-    alerts: evaluateHoLiquidityAlerts({ cashInBank, reserveCoverage, generatedAt }),
+    aggregateSupplyNostroMatch,
+    alerts: evaluateHoLiquidityAlerts({ cashInBank: cashInBankEnriched, reserveCoverage, generatedAt }),
     auditMaxAgeMinutes: auditMaxAgeMinutes(),
   };
 }
diff --git a/services/token-aggregation/src/services/omnl-payout-journal.test.ts b/services/token-aggregation/src/services/omnl-payout-journal.test.ts
new file mode 100644
index 0000000..13c55f6
--- /dev/null
+++ b/services/token-aggregation/src/services/omnl-payout-journal.test.ts
@@ -0,0 +1,38 @@
+import {
+  createJournalEntry,
+  postJournalEntry,
+  createBalanceReservation,
+  releaseBalanceReservation,
+  clearPayoutJournalStores,
+} from './omnl-payout-journal';
+
+describe('omnl payout journal', () => {
+  beforeEach(() => {
+    clearPayoutJournalStores();
+  });
+
+  it('creates and posts journal entry', () => {
+    const je = createJournalEntry({
+      instructionId: 'PAY-1',
+      debitGlCode: '1000',
+      creditGlCode: '2000',
+      amount: '100.00',
+      currency: 'USD',
+    });
+    expect(je.status).toBe('DRAFT');
+    const posted = postJournalEntry(je.id);
+    expect(posted.status).toBe('POSTED');
+  });
+
+  it('creates and releases balance reservation', () => {
+    const r = createBalanceReservation({
+      instructionId: 'PAY-2',
+      amount: '50.00',
+      currency: 'USD',
+      accountRef: 'ACCT-1',
+    });
+    expect(r.status).toBe('HELD');
+    const released = releaseBalanceReservation(r.id);
+    expect(released.status).toBe('RELEASED');
+  });
+});
diff --git a/services/token-aggregation/src/services/omnl-payout-journal.ts b/services/token-aggregation/src/services/omnl-payout-journal.ts
new file mode 100644
index 0000000..91fdc38
--- /dev/null
+++ b/services/token-aggregation/src/services/omnl-payout-journal.ts
@@ -0,0 +1,157 @@
+import { randomUUID } from 'crypto';
+import {
+  loadIpsasRegistry,
+  validateJournalPairWithMatrix,
+} from './omnl-ipsas-gl';
+import { loadJournalMatrix } from './omnl-journal-matrix';
+
+export interface JournalLine {
+  debitGlCode: string;
+  creditGlCode: string;
+  amount: string;
+  currency: string;
+  narrative?: string;
+}
+
+export interface JournalEntryRecord {
+  id: string;
+  instructionId?: string;
+  status: 'DRAFT' | 'POSTED' | 'REVERSED';
+  lines: JournalLine[];
+  ipsasRef?: string;
+  createdAt: string;
+  postedAt?: string;
+}
+
+export interface BalanceReservationRecord {
+  id: string;
+  instructionId: string;
+  amount: string;
+  currency: string;
+  accountRef: string;
+  status: 'HELD' | 'RELEASED' | 'CONSUMED';
+  createdAt: string;
+  releasedAt?: string;
+}
+
+const journalStore = new Map<string, JournalEntryRecord>();
+const reservationStore = new Map<string, BalanceReservationRecord>();
+
+function loadMatrixSafe() {
+  try {
+    return loadJournalMatrix();
+  } catch {
+    return null;
+  }
+}
+
+export function createJournalEntry(body: {
+  instructionId?: string;
+  debitGlCode?: string;
+  creditGlCode?: string;
+  amount?: string;
+  currency?: string;
+  narrative?: string;
+  lines?: JournalLine[];
+}): JournalEntryRecord {
+  const lines: JournalLine[] =
+    body.lines ??
+    (body.debitGlCode && body.creditGlCode
+      ? [
+          {
+            debitGlCode: body.debitGlCode,
+            creditGlCode: body.creditGlCode,
+            amount: String(body.amount ?? '0'),
+            currency: String(body.currency ?? 'USD'),
+            narrative: body.narrative,
+          },
+        ]
+      : []);
+
+  if (!lines.length) {
+    throw new Error('journal entry requires lines[] or debitGlCode/creditGlCode');
+  }
+
+  const registry = loadIpsasRegistry();
+  const matrix = loadMatrixSafe();
+  for (const line of lines) {
+    const v = validateJournalPairWithMatrix(registry, matrix, line.debitGlCode, line.creditGlCode);
+    if (!v.valid) {
+      throw new Error(`IPSAS pair invalid: ${line.debitGlCode}/${line.creditGlCode}`);
+    }
+  }
+
+  const id = randomUUID();
+  const record: JournalEntryRecord = {
+    id,
+    instructionId: body.instructionId,
+    status: 'DRAFT',
+    lines,
+    ipsasRef: validateJournalPairWithMatrix(registry, matrix, lines[0].debitGlCode, lines[0].creditGlCode).ipsasRef,
+    createdAt: new Date().toISOString(),
+  };
+  journalStore.set(id, record);
+  return record;
+}
+
+export function postJournalEntry(id: string): JournalEntryRecord {
+  const record = journalStore.get(id);
+  if (!record) throw new Error('journal entry not found');
+  if (record.status === 'POSTED') return record;
+  record.status = 'POSTED';
+  record.postedAt = new Date().toISOString();
+  journalStore.set(id, record);
+  return record;
+}
+
+export function reverseJournalEntry(id: string): JournalEntryRecord {
+  const record = journalStore.get(id);
+  if (!record) throw new Error('journal entry not found');
+  record.status = 'REVERSED';
+  journalStore.set(id, record);
+  return record;
+}
+
+export function getJournalEntry(id: string): JournalEntryRecord | undefined {
+  return journalStore.get(id);
+}
+
+export function createBalanceReservation(body: {
+  instructionId: string;
+  amount: string;
+  currency: string;
+  accountRef?: string;
+  debtorId?: string;
+}): BalanceReservationRecord {
+  const id = randomUUID();
+  const record: BalanceReservationRecord = {
+    id,
+    instructionId: body.instructionId,
+    amount: String(body.amount),
+    currency: String(body.currency).toUpperCase(),
+    accountRef: body.accountRef ?? body.debtorId ?? 'default',
+    status: 'HELD',
+    createdAt: new Date().toISOString(),
+  };
+  reservationStore.set(id, record);
+  return record;
+}
+
+export function releaseBalanceReservation(id: string): BalanceReservationRecord {
+  const record = reservationStore.get(id);
+  if (!record) throw new Error('reservation not found');
+  record.status = 'RELEASED';
+  record.releasedAt = new Date().toISOString();
+  reservationStore.set(id, record);
+  return record;
+}
+
+export function getBalanceReservation(id: string): BalanceReservationRecord | undefined {
+  return reservationStore.get(id);
+}
+
+/** Test helper */
+export function clearPayoutJournalStores(): void {
+  journalStore.clear();
+  reservationStore.clear();
+}