diff --git a/URLNotesGrabberCORE/Program.cs b/URLNotesGrabberCORE/Program.cs
index 71a1b58..1ba7baf 100644
--- a/URLNotesGrabberCORE/Program.cs
+++ b/URLNotesGrabberCORE/Program.cs
@@ -464,6 +464,9 @@ namespace URLNotesGrabberCORE
                     return;
                 }
 
+                if (postsResponse?.meta?.status != 429)
+                    ApiKeyPool.MarkAvailable(key);
+
                 if (postsResponse?.response == null || postsResponse.response.notes == null || postsResponse.response.notes.Count == 0)
                 {
                     Console.WriteLine($"[Reply Text] No notes found in response for {blogName}/{postID}");