diff --git a/internal/httpapi/server.go b/internal/httpapi/server.go
index e908d91..da279a1 100644
--- a/internal/httpapi/server.go
+++ b/internal/httpapi/server.go
@@ -155,7 +155,9 @@ func (s *Server) handleTrigger(w http.ResponseWriter, r *http.Request) {
 		_, _ = w.Write([]byte("summarizer error"))
 		return
 	}
-	if s.Notifier != nil {
+	// Only push if explicitly requested
+	pushFlag := strings.EqualFold(r.URL.Query().Get("push"), "1") || strings.EqualFold(r.URL.Query().Get("push"), "true")
+	if pushFlag && s.Notifier != nil {
 		title := fmt.Sprintf("IRC digest %s (%s)", channel, window)
 		_ = s.Notifier.Notify(ctx, title, summary)
 		if s.Metrics != nil {