diff --git a/config_example.json b/config_example.json
new file mode 100644
index 0000000..9f9e3d0
--- /dev/null
+++ b/config_example.json
@@ -0,0 +1,18 @@
+{
+	"url": "http://[::1]:5280/api",
+	"login": {
+		"user": "metric-user",
+		"server": "chat.sum7.eu",
+		"password": "password"
+	},
+	"api": "rest",
+
+	"--comment": "influxdb",
+	"influxdb_host": "localhost",
+	"influxdb_port": 8086,
+	"database": "ejabberd",
+
+	"--comment": "prometheus",
+	"prometheus_port": 8080,
+	"prometheus_refresh": 10
+}
diff --git a/ejabberdrpc.py b/ejabberdrpc.py
old mode 100644
new mode 100755
index 4cdaf88..0e20986
--- a/ejabberdrpc.py
+++ b/ejabberdrpc.py
@@ -319,8 +319,18 @@ class EjabberdMetrics():
 
 
 if __name__ == "__main__":
-    from json import dumps
-    metric = EjabberdMetrics("http://[::1]:5280/api", api="rest")
+    import os
+    import json
+    # load config
+    path = os.path.dirname(__file__)
+    with open("/".join([path, "config.json"]), "r", encoding="utf-8") as f:
+        config = json.load(f)
+
+    url = config['url'] if "url" in config else "http://[::1]:5280/api"
+    login = config['login'] if "login" in config else None
+    api = config['api'] if "api" in config else "rest"
+
+    metric = EjabberdMetrics(url, login=login, api=api)
    
     data = metric.get_all()
-    print(dumps(data, indent=True))
+    print(json.dumps(data, indent=True))
diff --git a/influx.py b/influx.py
index 049bef0..b267e23 100644
--- a/influx.py
+++ b/influx.py
@@ -83,12 +83,21 @@ if __name__ == "__main__":
     with open("/".join([path, "config.json"]), "r", encoding="utf-8") as f:
         config = json.load(f)
 
+    url = config['url'] if "url" in config else "http://localhost:4560"
+    login = config['login'] if "login" in config else None
+    api = config['api'] if "api" in config else "rpc"
+ 
+    # config influxdb
+    influxdb_host = config['influxdb_host'] if "influxdb_host" in config else "localhost"
+    influxdb_port = config['influxdb_port'] if "influxdb_port" in config else 8086
+    influxdb_database = config['database'] if "database" in config else "ejabberd"
+
     # init global handler
-    metrics = EjabberdMetrics("http://localhost:4560", config['login'])
-    client = InfluxDBClient(host='localhost', port=8086, database=config['database'], retries=5)
+    metrics = EjabberdMetrics(url, login, api)
+    client = InfluxDBClient(host=influxdb_host, port=influxdb_port, database=influxdb_database, retries=5)
 
     # create database only once
-    client.create_database(config['database'])
+    client.create_database(influxdb_database)
 
     # init influx class
     influx = Influx(metrics, client)
diff --git a/prometheus.py b/prometheus.py
index e534f16..dfca7d4 100755
--- a/prometheus.py
+++ b/prometheus.py
@@ -86,9 +86,25 @@ class Prometheus():
         t.start()
 
 if __name__ == "__main__":
-    metrics = EjabberdMetrics("http://[::1]:4560")
+    import os
+    import json
+
+    # load config
+    path = os.path.dirname(__file__)
+    with open("/".join([path, "config.json"]), "r", encoding="utf-8") as f:
+        config = json.load(f)
+
+
+    url = config['url'] if "url" in config else "http://[::1]:5280/api"
+    login = config['login'] if "login" in config else None
+    api = config['api'] if "api" in config else "rest"
+
+    prom_port = config['prometheus_port'] if "prometheus_port" in config else 8080
+    prom_refresh = config['prometheus_refresh'] if "prometheus_refresh" in config else 10
+
+    metrics = EjabberdMetrics(url, login, api)
     prom = Prometheus(metrics)
-    prom.listen(8080)
+    prom.listen(prom_port)
     while True:
         metrics.update()
-        time.sleep(10)
+        time.sleep(prom_refresh)