diff --git a/internal/auth.go b/internal/auth.go
index 8fefeb1..49b53fc 100644
--- a/internal/auth.go
+++ b/internal/auth.go
@@ -173,11 +173,13 @@ func login(s *AuthServer) http.HandlerFunc {
 			s.logger.Error(status.Message())
 
 			//
+			w.WriteHeader(http.StatusUnauthorized)
 			w.Write([]byte(status.Message()))
 
 			return
 		}
 
+		w.WriteHeader(http.StatusOK)
 		w.Write([]byte(fmt.Sprintf("Success login for %s", uid)))
 	}
 }
@@ -195,6 +197,7 @@ func registration(s *AuthServer) http.HandlerFunc {
 			s.logger.Error(status.Message())
 
 			//
+			w.WriteHeader(http.StatusUnauthorized)
 			w.Write([]byte(status.Message()))
 
 			return
@@ -204,6 +207,7 @@ func registration(s *AuthServer) http.HandlerFunc {
 		s.prometheus.IncUsersRegistered()
 
 		//
+		w.WriteHeader(http.StatusOK)
 		w.Write([]byte(fmt.Sprintf("Success registration for %s", uid)))
 	}
 }
@@ -219,6 +223,7 @@ func confirmation(s *AuthServer) http.HandlerFunc {
 			s.logger.Error(status.Message())
 
 			//
+			w.WriteHeader(http.StatusUnauthorized)
 			w.Write([]byte(status.Message()))
 
 			return
@@ -228,6 +233,7 @@ func confirmation(s *AuthServer) http.HandlerFunc {
 		s.prometheus.IncUsersConfirmed()
 
 		//
+		w.WriteHeader(http.StatusOK)
 		w.Write([]byte(fmt.Sprintf("Success confirmation for %s", code)))
 	}
 }