diff --git a/bin/lib/ail_core.py b/bin/lib/ail_core.py
index bbe17969..029af5fb 100755
--- a/bin/lib/ail_core.py
+++ b/bin/lib/ail_core.py
@@ -57,6 +57,8 @@ def get_object_all_subtypes(obj_type):  # TODO Dynamic subtype
         return r_object.smembers(f'all_chat:subtypes')
     if obj_type == 'chat-subchannel':
         return r_object.smembers(f'all_chat-subchannel:subtypes')
+    if obj_type == 'chat-thread':
+        return r_object.smembers(f'all_chat-thread:subtypes')
     if obj_type == 'cryptocurrency':
         return ['bitcoin', 'bitcoin-cash', 'dash', 'ethereum', 'litecoin', 'monero', 'zcash']
     if obj_type == 'pgp':
diff --git a/bin/lib/chats_viewer.py b/bin/lib/chats_viewer.py
index 2a60fb46..cac6050b 100755
--- a/bin/lib/chats_viewer.py
+++ b/bin/lib/chats_viewer.py
@@ -420,7 +420,7 @@ def api_get_user_account(user_id, instance_uuid, translation_target=None):
     meta = user_account.get_meta({'chats', 'icon', 'info', 'subchannels', 'threads', 'translation', 'username', 'username_meta'}, translation_target=translation_target)
     return meta, 200
 
-def api_download_chat(chat_id, subtype):
+def api_chat_messages(subtype, chat_id):
     chat = Chats.Chat(chat_id, subtype)
     if not chat.exists():
         return {"status": "error", "reason": "Unknown chat"}, 404
@@ -434,7 +434,7 @@ def api_download_chat(chat_id, subtype):
         meta['messages'], _, _ = chat.get_messages(nb=-1, options=options)
     return meta, 200
 
-def api_download_subchannel(subchannel_id, subtype):
+def api_subchannel_messages(subtype, subchannel_id):
     subchannel = ChatSubChannels.ChatSubChannel(subchannel_id, subtype)
     if not subchannel.exists():
         return {"status": "error", "reason": "Unknown subchannel"}, 404
@@ -450,7 +450,7 @@ def api_download_subchannel(subchannel_id, subtype):
     meta['messages'], _, _ = subchannel.get_messages(nb=-1, options=options)
     return meta, 200
 
-def api_download_thread(thread_id, subtype):
+def api_thread_messages(subtype, thread_id):
     thread = ChatThreads.ChatThread(thread_id, subtype)
     if not thread.exists():
         return {"status": "error", "reason": "Unknown thread"}, 404
diff --git a/bin/lib/objects/ail_objects.py b/bin/lib/objects/ail_objects.py
index 1e5a3024..5c083e0f 100755
--- a/bin/lib/objects/ail_objects.py
+++ b/bin/lib/objects/ail_objects.py
@@ -128,12 +128,12 @@ def api_get_object(obj_type, obj_subtype, obj_id):
     if not is_valid_object_type(obj_type):
         return {'status': 'error', 'reason': 'Invalid object type'}, 400
     if obj_subtype:
-        if not is_valid_object_subtype(obj_type, subtype):
+        if not is_valid_object_subtype(obj_type, obj_subtype):
             return {'status': 'error', 'reason': 'Invalid object subtype'}, 400
     obj = get_object(obj_type, obj_subtype, obj_id)
     if not obj.exists():
         return {'status': 'error', 'reason': 'Object Not Found'}, 404
-    options = {'chat', 'content', 'files-names', 'images', 'parent', 'parent_meta', 'reactions', 'thread', 'user-account'}
+    options = {'chat', 'content', 'created_at', 'files-names', 'icon', 'images', 'info', 'nb_participants', 'parent', 'parent_meta', 'reactions', 'thread', 'user-account', 'username', 'subchannels', 'threads'}
     return obj.get_meta(options=options), 200
 
 
diff --git a/var/www/blueprints/api_rest.py b/var/www/blueprints/api_rest.py
index fba5b17b..30009c03 100644
--- a/var/www/blueprints/api_rest.py
+++ b/var/www/blueprints/api_rest.py
@@ -20,6 +20,7 @@ from lib import ail_api
 from lib import ail_core
 from lib import ail_updates
 from lib import crawlers
+from lib import chats_viewer
 
 from lib import Investigations
 from lib import Tag
@@ -179,18 +180,46 @@ def v1_object_type_id(object_type, object_id):
     r = ail_objects.api_get_object_type_id(object_type, object_id)
     return create_json_response(r[0], r[1])
 
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+# # # # # # # # # # # # # # #      CHATS      # # # # # # # # # # # # # # # # # # #
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+
+@api_rest.route("api/v1/chat/messages", methods=['GET'])
+@token_required('analyst')
+def objects_chat_messages():
+    obj_subtype = request.args.get('subtype')
+    obj_id = request.args.get('id')
+    r = chats_viewer.api_chat_messages(obj_subtype, obj_id)
+    return create_json_response(r[0], r[1])
+
+@api_rest.route("api/v1/chat-subchannel/messages", methods=['GET'])
+@token_required('analyst')
+def objects_chat_subchannel_messages():
+    obj_subtype = request.args.get('subtype')
+    obj_id = request.args.get('id')
+    r = chats_viewer.api_subchannel_messages(obj_subtype, obj_id)
+    return create_json_response(r[0], r[1])
+
+@api_rest.route("api/v1/chat-thread/messages", methods=['GET'])
+@token_required('analyst')
+def objects_chat_thread_messages():
+    obj_subtype = request.args.get('subtype')
+    obj_id = request.args.get('id')
+    r = chats_viewer.api_thread_messages(obj_subtype, obj_id)
+    return create_json_response(r[0], r[1])
+
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 # # # # # # # # # # # # # # #      TITLES       # # # # # # # # # # # # # # # # # # # TODO TO REVIEW
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 
-@api_rest.route("api/v1/titles/download", methods=['GET'])
+@api_rest.route("api/v1/titles/download", methods=['GET'])  # TODO RENAME ->api/v1/titles/domains
 @token_required('analyst')
 def objects_titles_download():
     return create_json_response(Titles.Titles().get_contents_ids(), 200)
 
 
 # TODO
-@api_rest.route("api/v1/titles/download/unsafe", methods=['GET'])  # TODO REFACTOR ME
+@api_rest.route("api/v1/titles/download/unsafe", methods=['GET'])  # TODO RENAME ->api/v1/titles/domains/unsafe
 @token_required('analyst')
 def objects_titles_download_unsafe():
     all_titles = {}
@@ -212,6 +241,7 @@ def objects_titles_download_unsafe():
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 # # # # # # # # # # # # # # #      INVESTIGATIONS     # # # # # # # # # # # # # # #
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+
 @api_rest.route("api/v1/investigation/<investigation_uuid>", methods=['GET'])  # TODO options
 @token_required('read_only')
 def v1_investigation(investigation_uuid):
diff --git a/var/www/blueprints/chats_explorer.py b/var/www/blueprints/chats_explorer.py
index 04b83d9d..f20a59c0 100644
--- a/var/www/blueprints/chats_explorer.py
+++ b/var/www/blueprints/chats_explorer.py
@@ -165,7 +165,7 @@ def chats_explorer_chat_participants():
 def chats_explorer_chat_download():
     chat_id = request.args.get('id')
     chat_subtype = request.args.get('uuid')
-    chat = chats_viewer.api_download_chat(chat_id, chat_subtype)
+    chat = chats_viewer.api_chat_messages(chat_subtype, chat_id)
     if chat[1] != 200:
         if chat[1] == 404:
             abort(404)
@@ -180,7 +180,7 @@ def chats_explorer_chat_download():
 def objects_subchannel_messages_download():
     subchannel_id = request.args.get('id')
     instance_uuid = request.args.get('uuid')
-    subchannel = chats_viewer.api_download_subchannel(subchannel_id, instance_uuid)
+    subchannel = chats_viewer.api_subchannel_messages(instance_uuid, subchannel_id)
     if subchannel[1] != 200:
         return create_json_response(subchannel[0], subchannel[1])
     else:
@@ -193,7 +193,7 @@ def objects_subchannel_messages_download():
 def objects_thread_messages_download():
     thread_id = request.args.get('id')
     instance_uuid = request.args.get('uuid')
-    thread = chats_viewer.api_download_thread(thread_id, instance_uuid)
+    thread = chats_viewer.api_thread_messages(instance_uuid, thread_id)
     if thread[1] != 200:
         return create_json_response(thread[0], thread[1])
     else: