diff --git a/config.sample.json b/config.sample.json
new file mode 100644
index 0000000..a0b3b3c
--- /dev/null
+++ b/config.sample.json
@@ -0,0 +1,26 @@
+{
+    "# messaging_url": "messaging service url",
+    "messaging_url": "http://localhost:32979/",
+    
+    "# listen_port": "HTTP port untuk mendapat perintah dari CORE",
+    "listen_port": 16480,
+
+    "handler_callback_server": {
+        "# listen_port": "HTTP port untuk mendapat pesan masuk dari modem handler",
+        "listen_port": 16481,
+        "apikey": "PLEASE_CHANGE_ME"
+    },
+
+    "number_suffix": "@phonenumber",
+
+    "modems": {
+        "SMS0": {
+            "url": "http://localhost:2110/sms",
+            "apikey": "PLEASE_CHANGE_ME"
+        }
+    },
+
+    "do_not_trim_long_sms": false,
+
+    "default_modem": "SMS0"
+}
\ No newline at end of file