diff --git a/example_config.yml b/example_config.yml
index 46de46c..dec820b 100644
--- a/example_config.yml
+++ b/example_config.yml
@@ -13,3 +13,7 @@ spotify:
 # uncomment this block if you want to sync all playlists in the account with some exceptions
 #excluded_playlists:
 #  - spotify:playlist:1ABCDEqsABCD6EaABCDa0a
+
+# number of concurrent subprocesses when searching tracks in a playlist.
+# increasing this value can improve sync speed, but may increase 429 errors
+subprocesses: 25
diff --git a/src/spotify_to_tidal/sync.py b/src/spotify_to_tidal/sync.py
index eda9381..c8fcb99 100755
--- a/src/spotify_to_tidal/sync.py
+++ b/src/spotify_to_tidal/sync.py
@@ -234,7 +234,7 @@ def sync_playlist(spotify_session: spotipy.Spotify, tidal_session: tidalapi.Sess
         return
 
     task_description = "Searching Tidal for {}/{} tracks in Spotify playlist '{}'".format(len(spotify_tracks) - cache_hits, len(spotify_tracks), spotify_playlist['name'])
-    tidal_tracks = call_async_with_progress(tidal_search, spotify_tracks, task_description, config.get('subprocesses', 50), tidal_session=tidal_session)
+    tidal_tracks = call_async_with_progress(tidal_search, spotify_tracks, task_description, config.get('subprocesses', 25), tidal_session=tidal_session)
     for index, tidal_track in enumerate(tidal_tracks):
         spotify_track = spotify_tracks[index][0]
         if tidal_track: