diff --git a/source/java/org/alfresco/service/cmr/activities/ActivityPostService.java b/source/java/org/alfresco/service/cmr/activities/ActivityPostService.java
index 7407517de6..182707b2a8 100644
--- a/source/java/org/alfresco/service/cmr/activities/ActivityPostService.java
+++ b/source/java/org/alfresco/service/cmr/activities/ActivityPostService.java
@@ -18,11 +18,13 @@
  */
 package org.alfresco.service.cmr.activities;
 
+import org.alfresco.api.AlfrescoPublicApi;
 import org.alfresco.repo.Client;
 import org.alfresco.service.cmr.model.FileInfo;
 import org.alfresco.service.cmr.repository.NodeRef;
 import org.alfresco.service.namespace.QName;
 
+@AlfrescoPublicApi
 public interface ActivityPostService
 {
     
diff --git a/source/java/org/alfresco/service/cmr/activities/ActivityService.java b/source/java/org/alfresco/service/cmr/activities/ActivityService.java
index 0f25752c0d..242eaf762b 100644
--- a/source/java/org/alfresco/service/cmr/activities/ActivityService.java
+++ b/source/java/org/alfresco/service/cmr/activities/ActivityService.java
@@ -21,6 +21,7 @@ package org.alfresco.service.cmr.activities;
 import java.util.List;
 import java.util.Set;
 
+import org.alfresco.api.AlfrescoPublicApi;
 import org.alfresco.query.PagingRequest;
 import org.alfresco.query.PagingResults;
 import org.alfresco.repo.domain.activities.ActivityFeedEntity;
@@ -30,6 +31,7 @@ import org.alfresco.service.NotAuditable;
 /**
  * The activity service
  */
+@AlfrescoPublicApi
 public interface ActivityService extends ActivityPostService
 {
     /*