diff --git a/client/src/components/circle/LearningSequence.vue b/client/src/components/circle/LearningSequence.vue
index 1d5a2405..23780eec 100644
--- a/client/src/components/circle/LearningSequence.vue
+++ b/client/src/components/circle/LearningSequence.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 
+
 defineProps(['learningSequence'])
 
 </script>
@@ -28,7 +29,10 @@ defineProps(['learningSequence'])
           v-for="learningContent in learningUnit.learningContents"
           class="flex items-center gap-4 pb-3"
         >
-          <it-icon-checkbox-unchecked/>
+          <div @click="$emit('toggleLearningContentCheckbox', learningContent)">
+            <it-icon-checkbox-checked v-if="learningContent.completed" />
+            <it-icon-checkbox-unchecked v-else />
+          </div>
           <div>{{ learningContent.contents[0].type }}: {{ learningContent.title }}</div>
         </div>
 
diff --git a/client/src/fetchHelpers.js b/client/src/fetchHelpers.js
new file mode 100644
index 00000000..bc397aa1
--- /dev/null
+++ b/client/src/fetchHelpers.js
@@ -0,0 +1,53 @@
+import { getCookieValue } from '@/router/guards';
+
+class FetchError extends Error {
+  constructor(response, message = 'HTTP error ' + response.status) {
+    super(message);
+    this.response = response;
+  }
+}
+
+export const itFetch = (url, options) => {
+  return fetch(url, options).then(response => {
+    if (!response.ok) {
+      throw new FetchError(response);
+    }
+
+    return response;
+  });
+};
+
+export const itPost = (url, data, options) => {
+  options = Object.assign({}, options);
+
+  const headers = Object.assign({
+    Accept: 'application/json',
+    'Content-Type': 'application/json;charset=UTF-8',
+  }, options?.headers);
+
+  if (options?.headers) {
+    delete options.headers;
+  }
+
+  options = Object.assign({
+    method: 'POST',
+    headers: headers,
+    body: JSON.stringify(data)
+  }, options);
+
+  options.headers['X-CSRFToken'] = getCookieValue('csrftoken');
+
+  if (options.method === 'GET') {
+    delete options.body;
+  }
+
+  return itFetch(url, options).then((response) => {
+    return response.json().catch(() => {
+      return Promise.resolve(null);
+    });
+  });
+};
+
+export const itGet = (url) => {
+  return itPost(url, {}, {method: 'GET'});
+};
diff --git a/client/src/router/guards.ts b/client/src/router/guards.ts
index a4a909d8..b96e1849 100644
--- a/client/src/router/guards.ts
+++ b/client/src/router/guards.ts
@@ -22,7 +22,7 @@ export const redirectToLoginIfRequired: NavigationGuardWithThis<undefined> = (to
   }
 }
 
-const getCookieValue = (cookieName: string): string => {
+export const getCookieValue = (cookieName: string): string => {
   // https://stackoverflow.com/questions/5639346/what-is-the-shortest-function-for-reading-a-cookie-by-name-in-javascript
   const cookieValue = document.cookie.match('(^|[^;]+)\\s*' + cookieName + '\\s*=\\s*([^;]+)')
   if (!cookieValue) {
diff --git a/client/src/stores/user.ts b/client/src/stores/user.ts
index 7b450ba0..15a52714 100644
--- a/client/src/stores/user.ts
+++ b/client/src/stores/user.ts
@@ -1,4 +1,4 @@
-import { defineStore } from 'pinia'
+import {defineStore} from 'pinia'
 // typed state https://stackoverflow.com/questions/71012513/when-using-pinia-and-typescript-how-do-you-use-an-action-to-set-the-state
 
 export type UserState = {
diff --git a/client/src/views/CircleView.vue b/client/src/views/CircleView.vue
index f8d26c7e..55154b55 100644
--- a/client/src/views/CircleView.vue
+++ b/client/src/views/CircleView.vue
@@ -1,9 +1,9 @@
 <script>
-import axios from 'axios';
 import * as log from 'loglevel';
 
 import MainNavigationBar from '../components/MainNavigationBar.vue';
 import LearningSequence from '../components/circle/LearningSequence.vue';
+import { itGet, itPost } from '../fetchHelpers';
 
 export default {
   components: { LearningSequence, MainNavigationBar },
@@ -15,58 +15,72 @@ export default {
       learningSequences: [],
     }
   },
+  methods: {
+    toggleLearningContentCheckbox(learningContent) {
+      log.debug('toggleLearningContentCheckbox', learningContent);
+      console.log(learningContent);
+
+      itPost('/api/completion/complete_learning_content/', {
+        learning_content_key: learningContent.translation_key,
+      }).then((data) => {
+        console.log(data);
+      });
+    }
+  },
   mounted() {
     log.debug('CircleView mounted', this.circleSlug);
-    axios({
-      method: 'get',
-      url: `/learnpath/api/circle/${this.circleSlug}/`,
-    }).then((response) => {
-      log.debug(response.data);
-      this.circleData = response.data;
+    itGet(`/learnpath/api/circle/${this.circleSlug}/`).then((data) => {
+      this.circleData = data;
+      itGet(`/api/completion/user_circle_completion/${this.circleData.translation_key}/`).then((completionData) => {
 
-      // aggregate wagtail data into LearningSequence > LearningUnit > LearningPackage hierarchy
-      let learningSequence = null;
-      let learningUnit = null;
-      this.circleData.children.forEach((child) => {
-        // FIXME add error detection if the data does not conform to expectations
-        if (child.type === 'learnpath.LearningSequence') {
-          if (learningSequence) {
-            if (learningUnit) {
+        // aggregate wagtail data into LearningSequence > LearningUnit > LearningPackage hierarchy
+        let learningSequence = null;
+        let learningUnit = null;
+        this.circleData.children.forEach((child) => {
+          // FIXME add error detection if the data does not conform to expectations
+          if(child.type === 'learnpath.LearningSequence') {
+            if(learningSequence) {
+              if(learningUnit) {
+                learningSequence.learningUnits.push(learningUnit);
+              }
+              this.learningSequences.push(learningSequence);
+            }
+            learningSequence = Object.assign(child, { learningUnits: [] });
+            learningUnit = { id: null, title: '', learningContents: [] };
+          } else if(child.type === 'learnpath.LearningUnit') {
+            if(learningUnit && learningUnit.learningContents.length) {
               learningSequence.learningUnits.push(learningUnit);
             }
-            this.learningSequences.push(learningSequence);
+            learningUnit = Object.assign(child, { learningContents: [] });
+          } else {
+            // must be a LearningContent
+            if (child.translation_key in completionData.json_data.completed_learning_contents) {
+              child.completed = true;
+            }
+            learningUnit.learningContents.push(child);
           }
-          learningSequence = Object.assign(child, { learningUnits: [] });
-          learningUnit = {id: null, title: '', learningContents: []};
-        } else if(child.type === 'learnpath.LearningUnit') {
-          if (learningUnit && learningUnit.learningContents.length) {
-            learningSequence.learningUnits.push(learningUnit);
-          }
-          learningUnit = Object.assign(child, { learningContents: [] });
-        } else {
-          // must be a LearningContent
-          learningUnit.learningContents.push(child);
-        }
-      });
-
-      if (learningUnit) {
-        learningSequence.learningUnits.push(learningUnit);
-      }
-      this.learningSequences.push(learningSequence);
-
-      // sum minutes
-      this.learningSequences.forEach((learningSequence) => {
-        learningSequence.minutes = 0;
-        learningSequence.learningUnits.forEach((learningUnit) => {
-          learningUnit.minutes = 0;
-          learningUnit.learningContents.forEach((learningContent) => {
-            learningUnit.minutes += learningContent.minutes;
-          });
-          learningSequence.minutes += learningUnit.minutes;
         });
+
+        if(learningUnit) {
+          learningSequence.learningUnits.push(learningUnit);
+        }
+        this.learningSequences.push(learningSequence);
+
+        // sum minutes
+        this.learningSequences.forEach((learningSequence) => {
+          learningSequence.minutes = 0;
+          learningSequence.learningUnits.forEach((learningUnit) => {
+            learningUnit.minutes = 0;
+            learningUnit.learningContents.forEach((learningContent) => {
+              learningUnit.minutes += learningContent.minutes;
+            });
+            learningSequence.minutes += learningUnit.minutes;
+          });
+        });
+
+        log.debug(this.learningSequences);
       });
 
-      log.debug(this.learningSequences);
     });
   }
 
@@ -107,7 +121,7 @@ export default {
 
       <div class="flex-auto bg-gray-100 px-4 py-8 lg:px-24">
         <div v-for="learningSequence in learningSequences">
-          <LearningSequence :learning-sequence="learningSequence"></LearningSequence>
+          <LearningSequence :learning-sequence="learningSequence" @toggleLearningContentCheckbox="toggleLearningContentCheckbox"></LearningSequence>
         </div>
 
       </div>
diff --git a/server/config/settings/base.py b/server/config/settings/base.py
index 9983f04d..f0168d54 100644
--- a/server/config/settings/base.py
+++ b/server/config/settings/base.py
@@ -264,7 +264,7 @@ FIXTURE_DIRS = (str(APPS_DIR / "fixtures"),)
 # https://docs.djangoproject.com/en/dev/ref/settings/#session-cookie-httponly
 SESSION_COOKIE_HTTPONLY = True
 # https://docs.djangoproject.com/en/dev/ref/settings/#csrf-cookie-httponly
-CSRF_COOKIE_HTTPONLY = True
+CSRF_COOKIE_HTTPONLY = False
 # https://docs.djangoproject.com/en/dev/ref/settings/#secure-browser-xss-filter
 SECURE_BROWSER_XSS_FILTER = True
 # https://docs.djangoproject.com/en/dev/ref/settings/#x-frame-options
diff --git a/server/vbv_lernwelt/completion/urls.py b/server/vbv_lernwelt/completion/urls.py
index 820574e3..8c172be3 100644
--- a/server/vbv_lernwelt/completion/urls.py
+++ b/server/vbv_lernwelt/completion/urls.py
@@ -1,7 +1,8 @@
 from django.urls import path
 
-from vbv_lernwelt.completion.views import complete_learning_content
+from vbv_lernwelt.completion.views import complete_learning_content, request_user_circle_completion
 
 urlpatterns = [
+    path(r"user_circle_completion/<uuid:circle_key>/", request_user_circle_completion, name="request_user_circle_completion"),
     path(r"complete_learning_content/", complete_learning_content, name="complete_learning_content"),
 ]
diff --git a/server/vbv_lernwelt/completion/views.py b/server/vbv_lernwelt/completion/views.py
index b0312bcb..37fb5af4 100644
--- a/server/vbv_lernwelt/completion/views.py
+++ b/server/vbv_lernwelt/completion/views.py
@@ -11,6 +11,16 @@ from vbv_lernwelt.learnpath.models import LearningContent
 logger = structlog.get_logger(__name__)
 
 
+@api_view(['GET'])
+def request_user_circle_completion(request, circle_key):
+    ucc = UserCircleCompletion.objects.get(
+        user=request.user,
+        circle_key=circle_key,
+    )
+
+    return Response(status=200, data=UserCircleCompletionSerializer(ucc).data)
+
+
 @api_view(['POST'])
 def complete_learning_content(request):
     learning_content_key = request.data.get('learning_content_key')
@@ -18,7 +28,7 @@ def complete_learning_content(request):
 
     circle_key = learning_content.get_parent().translation_key
 
-    LearningContentCompletion.objects.create(
+    LearningContentCompletion.objects.get_or_create(
         user=request.user,
         learning_content_key=learning_content_key,
         circle_key=circle_key,