diff --git a/src/api_data/advanced_group_api.rs b/src/api_data/advanced_group_api.rs
index ed43a18..5218072 100644
--- a/src/api_data/advanced_group_api.rs
+++ b/src/api_data/advanced_group_api.rs
@@ -3,11 +3,12 @@
 //! @author Pierre Hubert
 use serde::Serialize;
 
+use crate::api_data::conversation_api::ConversationAPI;
 use crate::api_data::group_api::GroupApi;
 use crate::data::error::ResultBoxError;
 use crate::data::group::Group;
 use crate::data::user::UserID;
-use crate::helpers::likes_helper;
+use crate::helpers::{conversations_helper, groups_helper, likes_helper};
 use crate::helpers::likes_helper::LikeType;
 
 #[derive(Serialize)]
@@ -21,19 +22,28 @@ pub struct AdvancedGroupApi {
     url: String,
     number_likes: u64,
     is_liking: bool,
+    conversations: Vec<ConversationAPI>,
 }
 
 impl AdvancedGroupApi {
     /// Construct a new advanced group membership instance
     pub fn new(g: &Group, user_id: Option<UserID>) -> ResultBoxError<AdvancedGroupApi> {
+        let membership = groups_helper::get_membership(&g.id, user_id.clone())?;
+
+        let conversations = conversations_helper::get_list_group(&g.id)?
+            .into_iter()
+            .filter(|p| p.min_group_membership_level.as_ref().unwrap() >= &membership.level)
+            .collect();
+
         Ok(AdvancedGroupApi {
-            base_info: GroupApi::new(g, user_id.clone())?,
+            base_info: GroupApi::new_with_level(g, &membership)?,
             is_members_list_public: g.is_members_list_public,
             time_create: g.time_create,
             description: g.description.clone().unwrap_or("null".to_string()),
             url: g.url.clone().unwrap_or("null".to_string()),
             number_likes: likes_helper::count(g.id.id(), LikeType::GROUP)? as u64,
             is_liking: likes_helper::is_liking(&user_id.unwrap_or(UserID::invalid()), g.id.id(), LikeType::GROUP)?,
+            conversations: ConversationAPI::for_list(&conversations),
         })
     }
 }
\ No newline at end of file
diff --git a/src/api_data/group_api.rs b/src/api_data/group_api.rs
index cfa86bc..a5d68a3 100644
--- a/src/api_data/group_api.rs
+++ b/src/api_data/group_api.rs
@@ -3,8 +3,9 @@
 //! @author Pierre Hubert
 use serde::Serialize;
 
-use crate::data::error::ResultBoxError;
+use crate::data::error::Res;
 use crate::data::group::Group;
+use crate::data::group_member::GroupMember;
 use crate::data::user::UserID;
 use crate::helpers::groups_helper;
 
@@ -24,9 +25,14 @@ pub struct GroupApi {
 
 impl GroupApi {
     /// Construct a new group membership instance
-    pub fn new(g: &Group, user_id: Option<UserID>) -> ResultBoxError<GroupApi> {
+    pub fn new(g: &Group, user_id: Option<UserID>) -> Res<GroupApi> {
         let membership = groups_helper::get_membership(&g.id, user_id)?;
 
+        Self::new_with_level(g, &membership)
+    }
+
+    /// Construct a new group membership instance
+    pub fn new_with_level(g: &Group, membership: &GroupMember) -> Res<GroupApi> {
         Ok(GroupApi {
             id: g.id.id(),
             name: g.name.clone(),