diff --git a/package-lock.json b/package-lock.json
index a07c931..8cc24ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@open-craft/frontend-app-learning-paths",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@open-craft/frontend-app-learning-paths",
-      "version": "0.1.5",
+      "version": "0.1.6",
       "license": "AGPL-3.0",
       "dependencies": {
         "@edx/brand": "npm:@openedx/brand-openedx@^1.2.3",
diff --git a/package.json b/package.json
index ea98869..1fb472c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@open-craft/frontend-app-learning-paths",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "Frontend application template",
   "repository": {
     "type": "git",
diff --git a/src/learningpath/CourseCard.jsx b/src/learningpath/CourseCard.jsx
index 186dfcb..6c9cf53 100644
--- a/src/learningpath/CourseCard.jsx
+++ b/src/learningpath/CourseCard.jsx
@@ -31,6 +31,8 @@ export const CourseCard = ({
     endDate,
     status,
     percent,
+    hasOptionalCompletion,
+    hasUnearnedOptionalCompletion,
     checkingEnrollment,
   } = course;
 
@@ -135,9 +137,14 @@ export const CourseCard = ({
                   label={`${progressBarPercent}%`}
                   variant="primary"
                 />
-                <div className="x-small text-right pt-1">content completed</div>
+                <div className="x-small text-right pt-1">
+                  {hasOptionalCompletion ? 'Required content completed' : 'content completed'}
+                </div>
               </>
             )}
+            {status.toLowerCase() === 'completed' && hasUnearnedOptionalCompletion && (
+              <div className="small">You&apos;ve completed all required content. Remaining content is optional.</div>
+            )}
           </Card.Section>
           <Card.Footer orientation="horizontal" className="pt-3 pb-3 justify-content-between">
             <Col className="d-flex p-0 flex-column-reverse flex-md-row align-items-start w-100 w-md-auto">
@@ -195,6 +202,8 @@ CourseCard.propTypes = {
     endDate: PropTypes.string,
     status: PropTypes.string.isRequired,
     percent: PropTypes.number.isRequired,
+    hasOptionalCompletion: PropTypes.bool,
+    hasUnearnedOptionalCompletion: PropTypes.bool,
     checkingEnrollment: PropTypes.bool,
   }).isRequired,
   relatedLearningPaths: PropTypes.arrayOf(PropTypes.shape({
diff --git a/src/learningpath/LearningPathCard.jsx b/src/learningpath/LearningPathCard.jsx
index 90ea28f..7e530e2 100644
--- a/src/learningpath/LearningPathCard.jsx
+++ b/src/learningpath/LearningPathCard.jsx
@@ -29,6 +29,8 @@ const LearningPathCard = ({ learningPath, showFilters = false }) => {
     minDate,
     maxDate,
     percent,
+    hasOptionalCompletion,
+    hasUnearnedOptionalCompletion,
     org,
   } = learningPath;
 
@@ -123,9 +125,14 @@ const LearningPathCard = ({ learningPath, showFilters = false }) => {
                 label={`${progressBarPercent}%`}
                 variant="primary"
               />
-              <div className="x-small text-right pt-1">content completed</div>
+              <div className="x-small text-right pt-1">
+                {hasOptionalCompletion ? 'Required content completed' : 'content completed'}
+              </div>
             </>
           )}
+          {status.toLowerCase() === 'completed' && hasUnearnedOptionalCompletion && (
+            <div className="small">You&apos;ve completed all required content. Remaining content is optional.</div>
+          )}
         </Card.Section>
         <Card.Footer orientation="horizontal" className="pt-3 pb-3 justify-content-between">
           <Card.Section className="d-flex p-0 flex-column-reverse flex-md-row align-items-start w-100 w-md-auto">
@@ -159,6 +166,8 @@ LearningPathCard.propTypes = {
     minDate: PropTypes.instanceOf(Date),
     maxDate: PropTypes.instanceOf(Date),
     percent: PropTypes.number,
+    hasOptionalCompletion: PropTypes.bool,
+    hasUnearnedOptionalCompletion: PropTypes.bool,
     org: PropTypes.string,
   }).isRequired,
   showFilters: PropTypes.bool,
diff --git a/src/learningpath/data/api.js b/src/learningpath/data/api.js
index cb3c136..378826f 100644
--- a/src/learningpath/data/api.js
+++ b/src/learningpath/data/api.js
@@ -69,26 +69,12 @@ export async function fetchCourseDetails(courseId) {
   });
 }
 
-export async function fetchCourseCompletion(courseId) {
-  try {
-    const { username } = getAuthenticatedUser();
-    const client = getAuthenticatedHttpClient();
-    const response = await client.get(
-      `${getConfig().LMS_BASE_URL}/completion-aggregator/v1/course/${encodeURIComponent(courseId)}/?username=${username}`,
-    );
-    return response.data.results?.[0]?.completion?.percent ?? 0.0;
-  } catch (error) {
-    // Handle API errors - they indicate the user is not enrolled or did not complete any XBlocks.
-    return 0.0;
-  }
-}
-
 export async function fetchAllCourseCompletions() {
   const { username } = getAuthenticatedUser();
   const client = getAuthenticatedHttpClient();
 
   let allResults = [];
-  let nextUrl = `${getConfig().LMS_BASE_URL}/completion-aggregator/v1/course/?username=${username}&page_size=10000`;
+  let nextUrl = `${getConfig().LMS_BASE_URL}/completion-aggregator/v1/course/?username=${username}&page_size=10000&include_optional=true`;
 
   while (nextUrl) {
     // eslint-disable-next-line no-await-in-loop
@@ -103,6 +89,7 @@ export async function fetchAllCourseCompletions() {
   return camelCaseObject(allResults.map(item => ({
     course_key: item.course_key,
     completion: item.completion,
+    optional_completion: item.optional_completion,
   })));
 }
 
diff --git a/src/learningpath/data/dataUtils.js b/src/learningpath/data/dataUtils.js
index 7dd6560..0c2a6ce 100644
--- a/src/learningpath/data/dataUtils.js
+++ b/src/learningpath/data/dataUtils.js
@@ -22,12 +22,19 @@ export const calculateCompletionStatus = (completion) => {
  * @returns {Object} Course object with completion status
  */
 export const addCompletionStatus = (course, completionsMap, courseId) => {
-  const completion = completionsMap[courseId]?.percent || 0;
+  const completionData = completionsMap[courseId];
+  const completion = completionData?.completion?.percent || 0;
   const { status, percent } = calculateCompletionStatus(completion);
+  const optionalPossible = completionData?.optionalCompletion?.possible ?? 0;
+  const optionalEarned = completionData?.optionalCompletion?.earned ?? 0;
+  const hasOptionalCompletion = optionalPossible > 0;
+  const hasUnearnedOptionalCompletion = optionalPossible > optionalEarned;
   return {
     ...course,
     status,
     percent,
+    hasOptionalCompletion,
+    hasUnearnedOptionalCompletion,
   };
 };
 
@@ -39,7 +46,10 @@ export const addCompletionStatus = (course, completionsMap, courseId) => {
 export const createCompletionsMap = (completions) => {
   const completionsMap = {};
   completions?.forEach?.(item => {
-    completionsMap[item.courseKey] = item.completion;
+    completionsMap[item.courseKey] = {
+      completion: item.completion,
+      optionalCompletion: item.optionalCompletion,
+    };
   });
   return completionsMap;
 };
diff --git a/src/learningpath/data/queries.js b/src/learningpath/data/queries.js
index 1d97aaf..a7b00e9 100644
--- a/src/learningpath/data/queries.js
+++ b/src/learningpath/data/queries.js
@@ -17,7 +17,6 @@ export const QUERY_KEYS = {
   LEARNER_DASHBOARD: ['learnerDashboard'],
   COURSE_DETAILS: (courseId) => ['course', courseId],
   COURSE_COMPLETIONS: ['courseCompletions'],
-  COURSE_COMPLETION: (courseId) => ['courseCompletion', courseId],
   COURSE_ENROLLMENT_STATUS: (courseId) => ['courseEnrollmentStatus', courseId],
   ORGANIZATIONS: ['organizations'],
   CREDENTIAL_CONFIGURATION: (learningContextKey) => ['credentialConfiguration', learningContextKey],
@@ -70,9 +69,19 @@ export const useLearningPaths = () => {
           };
         }
 
+        let hasOptionalCompletion = false;
+        let hasUnearnedOptionalCompletion = false;
         const totalCompletion = lp.steps.reduce((sum, step) => {
-          const completion = completionsMap[step.courseKey];
-          return sum + (completion?.percent ?? 0);
+          const completionData = completionsMap[step.courseKey];
+          const optionalPossible = completionData?.optionalCompletion?.possible ?? 0;
+          const optionalEarned = completionData?.optionalCompletion?.earned ?? 0;
+          if (optionalPossible > 0) {
+            hasOptionalCompletion = true;
+            if (optionalPossible > optionalEarned) {
+              hasUnearnedOptionalCompletion = true;
+            }
+          }
+          return sum + (completionData?.completion?.percent ?? 0);
         }, 0);
 
         const percent = totalCompletion / totalCourses;
@@ -104,6 +113,8 @@ export const useLearningPaths = () => {
           minDate,
           maxDate,
           percent,
+          hasOptionalCompletion,
+          hasUnearnedOptionalCompletion,
           type: 'learning_path',
           org: lp.key.match(/path-v1:([^+]+)/)[1],
           enrollmentDate: lp.enrollmentDate ? new Date(lp.enrollmentDate) : null,
@@ -215,12 +226,6 @@ export const useLearnerDashboard = () => {
   });
 };
 
-export const useCourseCompletions = () => useQuery({
-  queryKey: QUERY_KEYS.COURSE_COMPLETIONS,
-  queryFn: api.fetchAllCourseCompletions,
-  staleTime: STALE_TIMES.COMPLETIONS,
-});
-
 export const useCoursesByIds = (courseIds) => {
   const queryClient = useQueryClient();
 
@@ -314,12 +319,6 @@ export const usePrefetchCourseDetail = (courseId) => {
           staleTime: STALE_TIMES.COURSE_DETAIL,
         });
 
-        queryClient.fetchQuery({
-          queryKey: QUERY_KEYS.COURSE_COMPLETION(courseId),
-          queryFn: () => api.fetchCourseCompletion(courseId),
-          staleTime: STALE_TIMES.COMPLETIONS,
-        });
-
         queryClient.prefetchQuery({
           queryKey: QUERY_KEYS.CREDENTIAL_CONFIGURATION(courseId),
           queryFn: () => api.fetchCredentialConfiguration(courseId),