diff --git a/.github/workflows/api-tests.yml b/.github/workflows/api-tests.yml
index 91d29c9eec4a..43fdb623e3a5 100644
--- a/.github/workflows/api-tests.yml
+++ b/.github/workflows/api-tests.yml
@@ -13,10 +13,22 @@ jobs:
     # Only run on push events (not on pull_request) for security reasons in order to be able to use secrets
     if: ${{ github.event_name == 'push' }}
     steps:
+      - name: Validate API secrets
+        id: api-secrets
+        run: |
+          if [ -z "${{ secrets.QC_JOB_USER_ID }}" ] || [ -z "${{ secrets.QC_API_ACCESS_TOKEN }}" ] || [ -z "${{ secrets.QC_JOB_ORGANIZATION_ID }}" ]; then
+            echo "has_secrets=false" >> "$GITHUB_OUTPUT"
+            echo "::warning::Skipping API Tests because QC_JOB_USER_ID, QC_API_ACCESS_TOKEN, or QC_JOB_ORGANIZATION_ID is not configured."
+          else
+            echo "has_secrets=true" >> "$GITHUB_OUTPUT"
+          fi
+
       - name: Checkout
+        if: steps.api-secrets.outputs.has_secrets == 'true'
         uses: actions/checkout@v2
         
       - name: Liberate disk space
+        if: steps.api-secrets.outputs.has_secrets == 'true'
         uses: jlumbroso/free-disk-space@main
         with:
           tool-cache: true
@@ -25,11 +37,13 @@ jobs:
           swap-storage: false
 
       - name: Define docker helper
+        if: steps.api-secrets.outputs.has_secrets == 'true'
         run: |
           echo 'runInContainer() { docker exec test-container "$@"; }' > $HOME/ci_functions.sh
           echo "BASH_ENV=$HOME/ci_functions.sh" >> $GITHUB_ENV
 
       - name: Start container
+        if: steps.api-secrets.outputs.has_secrets == 'true'
         run: |
           docker run -d \
             --workdir /__w/Lean/Lean \
@@ -43,6 +57,7 @@ jobs:
             tail -f /dev/null
 
       - name: Run API Tests
+        if: steps.api-secrets.outputs.has_secrets == 'true'
         run: |
           # Build
           runInContainer dotnet build /p:Configuration=Release /v:quiet /p:WarningLevel=1 QuantConnect.Lean.sln
diff --git a/Algorithm/QCAlgorithm.Indicators.cs b/Algorithm/QCAlgorithm.Indicators.cs
index e51f0c0961b0..ac560ba05df2 100644
--- a/Algorithm/QCAlgorithm.Indicators.cs
+++ b/Algorithm/QCAlgorithm.Indicators.cs
@@ -3362,7 +3362,8 @@ public void WarmUpIndicator(IEnumerable<Symbol> symbols, IndicatorBase<Indicator
         {
             if (AssertIndicatorHasWarmupPeriod(indicator))
             {
-                IndicatorHistory(indicator, symbols, 0, resolution, selector);
+                var end = GetIndicatorWarmUpHistoryEndTime();
+                IndicatorHistory(indicator, symbols, end, end, resolution, selector);
             }
         }
 
@@ -3435,7 +3436,8 @@ public void WarmUpIndicator<T>(IEnumerable<Symbol> symbols, IndicatorBase<T> ind
         {
             if (AssertIndicatorHasWarmupPeriod(indicator))
             {
-                IndicatorHistory(indicator, symbols, 0, resolution, selector);
+                var end = GetIndicatorWarmUpHistoryEndTime();
+                IndicatorHistory(indicator, symbols, end, end, resolution, selector);
             }
         }
 
@@ -3547,6 +3549,19 @@ private bool AssertIndicatorHasWarmupPeriod(IIndicator indicator)
             return true;
         }
 
+        private DateTime GetIndicatorWarmUpHistoryEndTime()
+        {
+            // During Initialize, if algorithm warm-up is configured, requesting indicator warm-up history
+            // up to Time causes an overlap with the replayed warm-up stream at the warm-up boundary.
+            // We end at the warm-up start frontier instead to avoid duplicate boundary updates.
+            if (!_locked && TryGetWarmupHistoryStartTime(out var warmupStart))
+            {
+                return warmupStart;
+            }
+
+            return Time;
+        }
+
         private void WarmUpIndicatorImpl<T>(IEnumerable<Symbol> symbols, TimeSpan period, Action<T> handler, IEnumerable<Slice> history, bool identityConsolidator)
             where T : class, IBaseData
         {
diff --git a/Tests/Algorithm/AlgorithmIndicatorsTests.cs b/Tests/Algorithm/AlgorithmIndicatorsTests.cs
index dd0764671c4d..58c6a20d9687 100644
--- a/Tests/Algorithm/AlgorithmIndicatorsTests.cs
+++ b/Tests/Algorithm/AlgorithmIndicatorsTests.cs
@@ -16,6 +16,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using Moq;
 using NUnit.Framework;
 using Python.Runtime;
@@ -642,6 +643,57 @@ public void IndicatorHistoryShouldIncludeValidIndicatorsAndExplicitlyIncludedPro
             }
         }
 
+        [Test]
+        public void WarmUpIndicatorDuringInitializeDoesNotCreateBoundaryDuplicateWithAlgorithmWarmup()
+        {
+            _algorithm.SetWarmUp(30);
+
+            const int windowSize = 6;
+            var warmedIndicator = new MidPrice(2);
+            warmedIndicator.Window.Size = windowSize;
+            var referenceIndicator = new MidPrice(2);
+            referenceIndicator.Window.Size = windowSize;
+
+            _algorithm.RegisterIndicator(_equity, warmedIndicator, Resolution.Minute);
+            _algorithm.RegisterIndicator(_equity, referenceIndicator, Resolution.Minute);
+
+            _algorithm.WarmUpIndicator(_equity, warmedIndicator, Resolution.Minute);
+
+            var warmupStart = GetWarmupStartTime(_algorithm);
+            var history = _algorithm.History(new[] { _equity }, warmupStart, _algorithm.Time, Resolution.Minute);
+
+            var warmedConsolidator = warmedIndicator.Consolidators.Single();
+            var referenceConsolidator = referenceIndicator.Consolidators.Single();
+            foreach (var slice in history)
+            {
+                if (slice.Bars.TryGetValue(_equity, out var bar))
+                {
+                    warmedConsolidator.Update(bar);
+                    referenceConsolidator.Update(bar);
+                }
+            }
+
+            Assert.AreEqual(windowSize, warmedIndicator.Window.Count);
+            Assert.AreEqual(windowSize, referenceIndicator.Window.Count);
+            for (var i = 0; i < windowSize; i++)
+            {
+                Assert.AreEqual(referenceIndicator.Window[i].EndTime, warmedIndicator.Window[i].EndTime);
+                Assert.AreEqual(referenceIndicator.Window[i].Value, warmedIndicator.Window[i].Value);
+            }
+        }
+
+        private static DateTime GetWarmupStartTime(QCAlgorithm algorithm)
+        {
+            var method = typeof(QCAlgorithm).GetMethod("TryGetWarmupHistoryStartTime", BindingFlags.NonPublic | BindingFlags.Instance);
+            Assert.IsNotNull(method, "Could not find TryGetWarmupHistoryStartTime private method");
+
+            var args = new object[] { default(DateTime) };
+            var hasWarmup = (bool)method.Invoke(algorithm, args);
+            Assert.IsTrue(hasWarmup, "Expected warm-up to be configured");
+
+            return (DateTime)args[0];
+        }
+
         private enum TestIndicatorType
         {
             TypeA,