diff --git a/backend/public/test_elevenlabs.php b/backend/public/test_elevenlabs.php
index 30b88c1..535f300 100644
--- a/backend/public/test_elevenlabs.php
+++ b/backend/public/test_elevenlabs.php
@@ -45,6 +45,16 @@ if (empty($elVoiceId)) {
     echo "ℹ️ [Config] ElevenLabs Voice ID loaded from active chatbot rule: {$elVoiceId}\n";
 }
 
+// Allow override via query parameters for testing
+if (!empty($_GET['key_override'])) {
+    $elApiKey = trim($_GET['key_override']);
+    echo "ℹ️ [Config] ElevenLabs API Key overridden via GET parameter.\n";
+}
+if (!empty($_GET['voice_override'])) {
+    $elVoiceId = trim($_GET['voice_override']);
+    echo "ℹ️ [Config] ElevenLabs Voice ID overridden via GET parameter.\n";
+}
+
 if (empty($elApiKey)) {
     echo "❌ [Config] ElevenLabs API Key is missing. Diagnostics stopped.\n";
     exit(1);