diff --git a/api/chalicelib/core/sessions_mobs.py b/api/chalicelib/core/sessions_mobs.py
index 6856fd2b7..9b28a0cb9 100644
--- a/api/chalicelib/core/sessions_mobs.py
+++ b/api/chalicelib/core/sessions_mobs.py
@@ -28,6 +28,17 @@ def __get_mob_keys_deprecated(session_id):
     return [str(session_id), str(session_id) + "e"]
 
 
+def get_first_url(project_id, session_id, check_existence: bool = True):
+    k = __get_mob_keys(project_id=project_id, session_id=session_id)[0]
+    if check_existence and not StorageClient.exists(bucket=config("sessions_bucket"), key=k):
+        return None
+    return StorageClient.get_presigned_url_for_sharing(
+        bucket=config("sessions_bucket"),
+        expires_in=config("PRESIGNED_URL_EXPIRATION", cast=int, default=900),
+        key=k
+    )
+
+
 def get_urls(project_id, session_id, check_existence: bool = True):
     results = []
     for k in __get_mob_keys(project_id=project_id, session_id=session_id):
diff --git a/api/chalicelib/core/sessions_replay.py b/api/chalicelib/core/sessions_replay.py
index 05b7db99b..48c02f862 100644
--- a/api/chalicelib/core/sessions_replay.py
+++ b/api/chalicelib/core/sessions_replay.py
@@ -91,6 +91,11 @@ def get_by_id2_pg(project_id, session_id, context: schemas.CurrentContext, full_
             return None
 
 
+def get_pre_replay(project_id, session_id, context: schemas.CurrentContext):
+    return {
+        'domURL': [sessions_mobs.get_first_url(project_id=project_id, session_id=session_id, check_existence=False)]}
+
+
 def get_replay(project_id, session_id, context: schemas.CurrentContext, full_data=False, include_fav_viewed=False,
                group_metadata=False, live=True):
     with pg_client.PostgresClient() as cur:
diff --git a/api/routers/core_dynamic.py b/api/routers/core_dynamic.py
index f97ea6c23..82a314539 100644
--- a/api/routers/core_dynamic.py
+++ b/api/routers/core_dynamic.py
@@ -253,6 +253,21 @@ def session_ids_search(projectId: int, data: schemas.SessionsSearchPayloadSchema
     return {'data': data}
 
 
+@app.get('/{projectId}/sessions/{sessionId}/first-mob', tags=["sessions", "replay"])
+def get_first_mob_file(projectId: int, sessionId: Union[int, str], background_tasks: BackgroundTasks,
+                       context: schemas.CurrentContext = Depends(OR_context)):
+    if not sessionId.isnumeric():
+        return {"errors": ["session not found"]}
+    else:
+        sessionId = int(sessionId)
+    data = sessions_replay.get_pre_replay(project_id=projectId, session_id=sessionId, context=context)
+    if data is None:
+        return {"errors": ["session not found"]}
+    return {
+        'data': data
+    }
+
+
 @app.get('/{projectId}/sessions/{sessionId}/replay', tags=["sessions", "replay"])
 def get_session_events(projectId: int, sessionId: Union[int, str], background_tasks: BackgroundTasks,
                        context: schemas.CurrentContext = Depends(OR_context)):