diff --git a/src/app/search/api/router.py b/src/app/search/api/router.py
index ac20c5c..f7ae3a9 100644
--- a/src/app/search/api/router.py
+++ b/src/app/search/api/router.py
@@ -22,7 +22,7 @@
 from src.app.search.services.search import SearchService, get_search_service
 from src.app.services.data_collection import get_data_collection_service
 from src.app.services.sql_db.queries import (
-    get_collections_sync,
+    get_collections_info_sync,
     get_documents_payload_by_ids_sync,
     get_nb_docs_sync,
 )
@@ -67,16 +67,17 @@ def get_params(
 
 @router.get("/collections")
 async def get_corpus():
-    collections = await run_in_threadpool(get_collections_sync)
+    collections = await run_in_threadpool(get_collections_info_sync)
 
     return [
         {
-            "name": name,
-            "lang": lang,
-            "model": model,
-            "corpus": f"{name}_{lang}_{model}",
+            "name": source_name,
+            "category": (
+                category_name.replace(" ", "_").lower() if category_name else None
+            ),
+            "is_active": is_active,
         }
-        for name, lang, model in collections
+        for source_name, is_active, category_name in collections
     ]
 
 
diff --git a/src/app/services/sql_db/queries.py b/src/app/services/sql_db/queries.py
index 31a9ba8..7468853 100644
--- a/src/app/services/sql_db/queries.py
+++ b/src/app/services/sql_db/queries.py
@@ -8,6 +8,7 @@
 from sqlalchemy import func, select
 from welearn_database.data.enumeration import Step
 from welearn_database.data.models import (
+    Category,
     ChatMessage,
     ContextDocument,
     Corpus,
@@ -47,6 +48,16 @@ def get_collections_sync():
         return s.execute(statement).all()
 
 
+def get_collections_info_sync():
+    stmt = select(
+        Corpus.source_name, Corpus.is_active, Category.title.label("category_name")
+    ).outerjoin(Category, Corpus.category_id == Category.id)
+
+    with session_maker() as session:
+        results = session.execute(stmt).all()
+        return results
+
+
 def get_nb_docs_sync():
     statement = select(QtyDocumentInQdrant.document_in_qdrant)
     with session_maker() as s: