diff --git a/portlets/src/main/webapp/vue-app/profileStats/components/SpacesRequests.vue b/portlets/src/main/webapp/vue-app/profileStats/components/SpacesRequests.vue
index d6c8c90d2a..650270bc6e 100644
--- a/portlets/src/main/webapp/vue-app/profileStats/components/SpacesRequests.vue
+++ b/portlets/src/main/webapp/vue-app/profileStats/components/SpacesRequests.vue
@@ -51,44 +51,45 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
     <v-flex
       xs12>
       <v-list>
-        <template v-for="item in sort(spacesRequests)">
-          <v-list-item
-            :key="item.id"
-            class="py-0 px-2">
-            <v-list-item-avatar class="my-1 me-2" size="30">
-              <v-img :src="item.avatar" />
-            </v-list-item-avatar>
+        <v-list-item
+          v-for="item in sort(spacesRequests)"
+          :key="item.id"
+          class="py-0 px-2">
+          <v-list-item-avatar class="my-1 me-2" size="30">
+            <v-img :src="item.avatarUrl" />
+          </v-list-item-avatar>
 
-            <v-list-item-content class="py-0">
-              <v-list-item-title class="request-user-name darken-2" v-text="item.displayName" />
-              <v-list-item-subtitle v-sanitized-html="item.description" />
-            </v-list-item-content>
-            <v-list-item-action>
-              <v-btn-toggle
-                class="transparent"
-                dark>
-                <v-btn 
-                  text
-                  icon
-                  small
-                  min-width="auto"
-                  class="px-0 connexion-accept-btn"
-                  @click="replyInvitationToJoinSpace(item.id, 'approved')">
-                  <v-icon color="primary-color" size="20">mdi-checkbox-marked-circle</v-icon>
-                </v-btn>
-                <v-btn 
-                  text
-                  icon
-                  small
-                  min-width="auto"
-                  class="px-0 connexion-refuse-btn"
-                  @click="replyInvitationToJoinSpace(item.id, 'ignored')">
-                  <v-icon color="grey lighten-1" size="20">mdi-close-circle</v-icon>
-                </v-btn>
-              </v-btn-toggle>
-            </v-list-item-action>
-          </v-list-item>
-        </template>
+          <v-list-item-content class="py-0">
+            <v-list-item-title class="request-user-name darken-2" v-text="item.displayName" />
+            <v-list-item-subtitle v-sanitized-html="item.description" />
+          </v-list-item-content>
+          <v-list-item-action>
+            <v-btn-toggle
+              class="transparent"
+              dark>
+              <v-btn
+                :loading="saving"
+                text
+                icon
+                small
+                min-width="auto"
+                class="px-0 connexion-accept-btn"
+                @click="replyInvitationToJoinSpace(item, 'approved')">
+                <v-icon color="success" size="20">mdi-checkbox-marked-circle</v-icon>
+              </v-btn>
+              <v-btn
+                :loading="saving"
+                text
+                icon
+                small
+                min-width="auto"
+                class="px-0 connexion-refuse-btn"
+                @click="replyInvitationToJoinSpace(item, 'ignored')">
+                <v-icon color="error" size="20">mdi-close-circle</v-icon>
+              </v-btn>
+            </v-btn-toggle>
+          </v-list-item-action>
+        </v-list-item>
       </v-list>
     </v-flex>
     <v-flex
@@ -109,49 +110,32 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   </v-layout>
 </template>
 <script>
-import {getSpacesRequests, replyInvitationToJoinSpace} from '../profilStatsAPI';
 export default {
   data() {
     return {
       spacesRequests: [],
       spacesRequestsSize: '',
+      saving: false,
       invitationSpaceUrl: `${eXo.env.portal.context}/${eXo.env.portal.metaPortalName}/spaces/receivedInvitations`
     };
   },
   created(){
     this.getSpacesRequests();
   },
-  
   methods: {
     getSpacesRequests() {
       this.spacesRequests = [];
-      getSpacesRequests().then(
-        (data) => {
-          this.spacesRequestsSize = data.size;
-          this.$emit('showRequestsSpace', this.spacesRequestsSize);
-          if (this.spacesRequestsSize > 0) {
-            for (let i = 0; i < data.spacesMemberships.length; i++) {
-              const spaceRequest = {};
-              spaceRequest.id = data.spacesMemberships[i].id;
-              fetch(`${data.spacesMemberships[i].space}`, {
-                method: 'GET',
-                credentials: 'include',
-              }).then((resp) => {
-                if (resp?.ok) {
-                  return resp.json();
-                }
-                else {
-                  throw new Error ('Error when getting space');
-                }
-              }).then((data) => {
-                spaceRequest.avatar = data.avatarUrl || data.avatarUrl || `/portal/rest/v1/social/spaces/${spaceRequest.id.split(':')[0]}/avatar`;
-                spaceRequest.displayName = data.displayName;
-                this.spacesRequests.splice(i, 0, spaceRequest);
-              });
-            }
-          }
-        }
-      );
+      return this.$spaceService.getSpaceMemberships({
+        user: eXo.env.portal.userName,
+        status: 'invited',
+        expand: 'spaces',
+        returnSize: true,
+        limit: 3,
+      }).then((data) => {
+        this.spacesRequestsSize = data.size;
+        this.$emit('showRequestsSpace', this.spacesRequestsSize);
+        this.spacesRequests = data.spacesMemberships?.map?.(m => m.space);
+      });
     },
     sort(array) {
       return array.slice().sort(function(a, b) {
@@ -161,21 +145,23 @@ export default {
     openSpaceRequests() {
       window.location.href = `${this.invitationSpaceUrl}`;
     },
-    replyInvitationToJoinSpace(spaceId, reply) {
-      replyInvitationToJoinSpace(spaceId, reply)
-        .then(() => {
-          if (reply === 'approved') {
-            const confirmedRequest = this.spacesRequests.filter(request => request.id === spaceId)[0];
-            const space = {
-              id: confirmedRequest.id,
-              displayName: confirmedRequest.displayName,
-              avatarUrl: confirmedRequest.avatar,
-
-            };
-            this.$emit('invitationReplied', space);
-          }
-          this.getSpacesRequests();
-        });
+    async replyInvitationToJoinSpace(item, reply) {
+      this.saving = true;
+      try {
+        if (reply === 'approved') {
+          await this.$spaceService.accept(item.id);
+          this.$emit('invitationReplied', {
+            id: item.id,
+            displayName: item.displayName,
+            avatarUrl: item.avatarUrl,
+          });
+        } else if (reply === 'ignored') {
+          await this.$spaceService.deny(item.id);
+        }
+        this.getSpacesRequests();
+      } finally {
+        this.saving = false;
+      }
     },
   }
 };
diff --git a/portlets/src/main/webapp/vue-app/profileStats/components/UserDashbord.vue b/portlets/src/main/webapp/vue-app/profileStats/components/UserDashbord.vue
index 8b1fe08dee..9cad1b4261 100644
--- a/portlets/src/main/webapp/vue-app/profileStats/components/UserDashbord.vue
+++ b/portlets/src/main/webapp/vue-app/profileStats/components/UserDashbord.vue
@@ -154,7 +154,7 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   </v-flex>
 </template>
 <script>
-import {getUserInformations, getSpacesRequests, getConnectionsRequests, getGamificationPoints, getReputationStatus} from '../profilStatsAPI';
+import {getUserInformations, getConnectionsRequests, getGamificationPoints, getReputationStatus} from '../profilStatsAPI';
 export default {
   props: {
     commonsSpaceDefaultSize: {
@@ -214,9 +214,11 @@ export default {
 
     this.profileUrl = this.profileUrl + (this.isCurrentUserProfile ? '' : `/${ eXo.env.portal.profileOwner}`);
 
-    this.loadingWidgets = 5;
+    this.loadingWidgets = this.isCurrentUserProfile && 5 || 4;
     this.retrieveUserData().finally(() => this.loadingWidgets--);
-    this.getSpacesRequestsSize().finally(() => this.loadingWidgets--);
+    if (this.isCurrentUserProfile) {
+      this.getSpacesRequestsSize().finally(() => this.loadingWidgets--);
+    }
     this.getConnectionsRequestsSize().finally(() => this.loadingWidgets--);
     this.getGamificationRank().finally(() => this.loadingWidgets--);
     this.getGamificationPoints().finally(() => this.loadingWidgets--);
@@ -240,7 +242,12 @@ export default {
       });
     },
     getSpacesRequestsSize() {
-      return getSpacesRequests().then(
+      return this.$spaceService.getSpaceMemberships({
+        user: eXo.env.portal.userName,
+        status: 'invited',
+        returnSize: true,
+        limit: 1,
+      }).then(
         (data) => {
           this.spacesRequestsSize = data.size;
           this.$emit('showRequestsSpace', this.spacesRequestsSize);
diff --git a/portlets/src/main/webapp/vue-app/profileStats/profilStatsAPI.js b/portlets/src/main/webapp/vue-app/profileStats/profilStatsAPI.js
index 38ab1e69f9..ad770129da 100644
--- a/portlets/src/main/webapp/vue-app/profileStats/profilStatsAPI.js
+++ b/portlets/src/main/webapp/vue-app/profileStats/profilStatsAPI.js
@@ -84,20 +84,6 @@ export function getCommonsSpaces(offset, limit) {
   });
 }
 
-export function getSpacesRequests() {
-  return fetch( '/portal/rest/v1/social/spacesMemberships?status=invited&returnSize=true&limit=3', {
-    method: 'GET',
-    credentials: 'include',
-  }).then((resp) => {
-    if (resp?.ok) {
-      return resp.json();
-    } 
-    else {
-      throw new Error ('Error when getting spaces requests');
-    }
-  });
-}
-
 export function getSuggestionsSpace(){
   return fetch('/portal/rest/homepage/intranet/spaces/suggestions', {
     credentials: 'include'
@@ -112,25 +98,6 @@ export function getSuggestionsSpace(){
   });
 }
 
-export function replyInvitationToJoinSpace(spaceMembershipId, reply) {
-  const data = {status: `${reply}`}; 
-  return fetch(`/portal/rest/v1/social/spacesMemberships/${spaceMembershipId}`, {
-    method: 'PUT',
-    credentials: 'include',
-    body: JSON.stringify(data),
-    headers: {
-      'Content-Type': 'application/json'
-    }
-  }).then((resp) => {
-    if (resp?.ok) {
-      return resp.json();
-    } 
-    else {
-      throw new Error ('Error when replying invitation to join space');
-    }
-  });
-}
-
 export function getUserConnections(query, offset, limit, expand) {
   return fetch(`${eXo.env.portal.context}/${eXo.env.portal.rest}/v1/social/users/${eXo.env.portal.profileOwner}/connections?q=${query || ''}&offset=${offset || 0}&limit=${limit|| 0}&expand=${expand || ''}&returnSize=true`, {
     method: 'GET',
diff --git a/services/src/main/java/io/meeds/gamification/service/impl/ProgramServiceImpl.java b/services/src/main/java/io/meeds/gamification/service/impl/ProgramServiceImpl.java
index 34d4412e88..d841cad3d8 100644
--- a/services/src/main/java/io/meeds/gamification/service/impl/ProgramServiceImpl.java
+++ b/services/src/main/java/io/meeds/gamification/service/impl/ProgramServiceImpl.java
@@ -513,25 +513,13 @@ private boolean isProgramOwner(long spaceId,
   }
 
   private boolean isSpaceManager(long spaceId, String username) {
-    if (spaceService.isSuperManager(username)) {
-      return true;
-    }
     Space space = spaceService.getSpaceById(String.valueOf(spaceId));
-    if (space == null) {
-      return false;
-    }
-    return spaceService.isManager(space, username);
+    return spaceService.canManageSpace(space, username);
   }
 
   private boolean isSpaceMember(long spaceId, String username) {
-    if (StringUtils.isBlank(username)) {
-      return false;
-    }
     Space space = spaceService.getSpaceById(String.valueOf(spaceId));
-    if (space == null) {
-      return false;
-    }
-    return spaceService.isMember(space, username);
+    return spaceService.canViewSpace(space, username);
   }
 
   private boolean isSpaceOpen(long spaceId) {
diff --git a/services/src/test/java/io/meeds/gamification/mock/IdentityManagerMock.java b/services/src/test/java/io/meeds/gamification/mock/IdentityManagerMock.java
index 8fb40ba034..24f230dff8 100644
--- a/services/src/test/java/io/meeds/gamification/mock/IdentityManagerMock.java
+++ b/services/src/test/java/io/meeds/gamification/mock/IdentityManagerMock.java
@@ -74,14 +74,6 @@ public Identity getOrCreateIdentity(String providerId, String remoteId, boolean
                      .orElse(null);
   }
 
-  public Identity getOrCreateSpaceIdentity(String spacePrettyName) {
-    return getOrCreateIdentity(SpaceIdentityProvider.NAME, spacePrettyName);
-  }
-
-  public Identity getOrCreateUserIdentity(String username) {
-    return getOrCreateIdentity(OrganizationIdentityProvider.NAME, username);
-  }
-
   public Identity getIdentity(String identityId, boolean isProfileLoaded) {
     return identities.stream()
                      .filter(identity -> StringUtils.equals(identity.getId(), identityId))
diff --git a/services/src/test/java/io/meeds/gamification/mock/SpaceServiceMock.java b/services/src/test/java/io/meeds/gamification/mock/SpaceServiceMock.java
index 4087692af6..26adefbe5f 100644
--- a/services/src/test/java/io/meeds/gamification/mock/SpaceServiceMock.java
+++ b/services/src/test/java/io/meeds/gamification/mock/SpaceServiceMock.java
@@ -105,17 +105,34 @@ public boolean isRedactor(Space space, String userId) {
   public boolean hasRedactor(Space space) {
     return SPACE_PRETTY_NAME.equals(space.getPrettyName());
   }
-
+  
   @Override
   public boolean canRedactOnSpace(Space space, org.exoplatform.services.security.Identity viewer) {
     if (viewer == null) {
       throw new IllegalStateException("User ACL Identity is mandatory");
     }
-    if (space == null) {
-      throw new IllegalStateException("Space is mandatory");
+    return space != null && (!SPACE_PRETTY_NAME.equals(space.getPrettyName())
+                             || SPACE_MANAGERS.contains(viewer.getUserId()));
+  }
+
+  public boolean canPublishOnSpace(Space space, String userId) {
+    if (userId == null) {
+      throw new IllegalStateException("User ACL Identity is mandatory");
     }
-    return !SPACE_PRETTY_NAME.equals(space.getPrettyName())
-        || SPACE_MANAGERS.contains(viewer.getUserId());
+    return space != null && (!SPACE_PRETTY_NAME.equals(space.getPrettyName())
+                             || SPACE_MANAGERS.contains(userId));
+  }
+
+  public boolean canViewSpace(Space space, String userId) {
+    return isMember(space, userId);
+  }
+
+  public boolean isContentManager(String username) {
+    return isSuperManager(username);
+  }
+
+  public boolean isContentPublisher(String username) {
+    return isSuperManager(username);
   }
 
   public Space getSpaceByUrl(String spaceUrl) {
@@ -217,11 +234,11 @@ public Space updateSpace(Space existingSpace) {
     return existingSpace;
   }
 
-  public Space updateSpaceAvatar(Space existingSpace) {
+  public Space updateSpaceAvatar(Space existingSpace, String username) {
     throw new UnsupportedOperationException();
   }
 
-  public Space updateSpaceBanner(Space existingSpace) {
+  public Space updateSpaceBanner(Space existingSpace, String username) {
     throw new UnsupportedOperationException();
   }
 
@@ -265,7 +282,7 @@ public void removeMember(Space space, String userId) {
   }
 
   public boolean isMember(Space space, String userId) {
-    return SPACE_MEMBERS.contains(userId);
+    return space != null && SPACE_MEMBERS.contains(userId);
   }
 
   public void setManager(Space space, String userId, boolean isManager) {
@@ -274,7 +291,7 @@ public void setManager(Space space, String userId, boolean isManager) {
   }
 
   public boolean isManager(Space space, String userId) {
-    return SPACE_MANAGERS.contains(userId);
+    return space != null && SPACE_MANAGERS.contains(userId);
   }
 
   public boolean isOnlyManager(Space space, String userId) {
@@ -392,7 +409,7 @@ public void renameSpace(Space space, String newDisplayName) throws SpaceExceptio
 
   }
 
-  public void renameSpace(String remoteId, Space space, String newDisplayName) throws SpaceException {
+  public void renameSpace(Space space, String newDisplayName, String remoteId) throws SpaceException {
     throw new UnsupportedOperationException();
 
   }
@@ -646,14 +663,6 @@ public void unregisterSpaceLifeCycleListener(SpaceLifeCycleListener listener) {
 
   }
 
-  public void setPortletsPrefsRequired(PortletPreferenceRequiredPlugin portletPrefsRequiredPlugin) {
-    // Nothing to do
-  }
-
-  public String[] getPortletsPrefsRequired() {
-    return new String[0];
-  }
-
   public ListAccess<Space> getVisitedSpaces(String remoteId, String appId) {
     throw new UnsupportedOperationException();
   }