diff --git a/hardware/include/JsonTools.hpp b/hardware/include/JsonTools.hpp
index 2e07621..19786b4 100644
--- a/hardware/include/JsonTools.hpp
+++ b/hardware/include/JsonTools.hpp
@@ -2,10 +2,14 @@
 
 #include <ArduinoJson.h>
 #include <HTTPClient.h>
+#if DEVICE_ROLE == SENSOR
 #include "BME280.hpp"
 #include "MQ7v2.hpp"
 #include "GPS.hpp"
+#endif
+#if DEVICE_ROLE == ACTUATOR
 #include "MAX7219.hpp"
+#endif
 
 String serializeSensorValue(
     int groupId,
@@ -17,4 +21,7 @@ String serializeSensorValue(
     const MQ7Data_t &mq7,
     const GPSData_t &gps);
 
+#if DEVICE_ROLE == ACTUATOR
 MAX7219Status_t deserializeActuatorStatus(HTTPClient &http, int httpResponseCode);
+#endif
+int deserializeGroupId(HTTPClient &http, int httpResponseCode);
\ No newline at end of file
diff --git a/hardware/include/WifiConnection.hpp b/hardware/include/WifiConnection.hpp
index ac204e0..35b1f7e 100644
--- a/hardware/include/WifiConnection.hpp
+++ b/hardware/include/WifiConnection.hpp
@@ -3,7 +3,7 @@
 #include <WiFi.h>
 #include <PubSubClient.h>
 
-#define SSID "iPhone de Jose"
-#define WIFI_PASSWORD "bombardeenlaus"
+#define SSID "DIGIFIBRA-D2ys"
+#define WIFI_PASSWORD "4EEATsyTcZ"
 
 int WiFi_Init();
\ No newline at end of file
diff --git a/hardware/include/globals.hpp b/hardware/include/globals.hpp
index 6536edf..f3906d8 100644
--- a/hardware/include/globals.hpp
+++ b/hardware/include/globals.hpp
@@ -4,6 +4,7 @@
 
 #define MQTT_URI "miarma.net"
 #define API_URI "https://contaminus.miarma.net/api/v1/"
+#define RAW_API_URI "https://contaminus.miarma.net/api/raw/v1/"
 #define REST_PORT 443
 #define MQTT_PORT 1883
 
diff --git a/hardware/src/lib/http/JsonTools.cpp b/hardware/src/lib/http/JsonTools.cpp
index 7d8c2c9..efef83e 100644
--- a/hardware/src/lib/http/JsonTools.cpp
+++ b/hardware/src/lib/http/JsonTools.cpp
@@ -36,6 +36,7 @@ String serializeSensorValue(
   return output;
 }
 
+#if DEVICE_ROLE == ACTUATOR
 MAX7219Status_t deserializeActuatorStatus(HTTPClient &http, int httpResponseCode)
 {
   if (httpResponseCode > 0)
@@ -86,3 +87,30 @@ MAX7219Status_t deserializeActuatorStatus(HTTPClient &http, int httpResponseCode
     };
   }
 }
+#endif
+
+int deserializeGroupId(HTTPClient &http, int httpResponseCode)
+{
+  if (httpResponseCode > 0)
+  {
+#ifdef DEBUG
+    Serial.print("HTTP Response code: ");
+    Serial.println(httpResponseCode);
+#endif
+    String responseJson = http.getString();
+    DynamicJsonDocument doc(ESP.getMaxAllocHeap());
+    DeserializationError error = deserializeJson(doc, responseJson);
+
+    if (error)
+    {
+#ifdef DEBUG
+      Serial.print(F("deserializeJson() failed: "));
+      Serial.println(error.f_str());
+#endif
+      return -1;
+    }
+
+    return (int)doc["message"] | -1;
+  }
+  return -1;
+}
\ No newline at end of file
diff --git a/hardware/src/main.cpp b/hardware/src/main.cpp
index a2dbb93..028be4b 100644
--- a/hardware/src/main.cpp
+++ b/hardware/src/main.cpp
@@ -5,7 +5,8 @@ const String mqttId = "CUS-" + String(DEVICE_ID, HEX);
 int GROUP_ID;
 
 TaskTimer globalTimer{0, 10000};
-TaskTimer mqttTimer{0, 2500};
+TaskTimer mqttTimer{0, 5000};
+TaskTimer wifiTimer{0, 5000};
 
 #if DEVICE_ROLE == ACTUATOR
 TaskTimer matrixTimer{0, 25};
@@ -32,7 +33,11 @@ void setup()
     Serial.println("Iniciando...");
 #endif
 
-    WiFi_Init();
+    while(WiFi_Init() != WL_CONNECTED)
+    {
+        Serial.println("Esperando conexión WiFi...");
+        delay(1000);
+    }
     MQTT_Init(MQTT_URI, MQTT_PORT);
 
     try
@@ -223,8 +228,7 @@ uint32_t getChipID()
 
 int getGroupId(int deviceId)
 {
-    String url = String(API_URI) + "groups/" + GROUP_ID + "/devices/" + String(DEVICE_ID, HEX) + "/actuators/" + MAX7219_ID + "/status";
+    String url = String(RAW_API_URI) + "devices/" + String(DEVICE_ID, HEX) + "/my-group";
     getRequest(url, response);
-    MAX7219Status_t statusData = deserializeActuatorStatus(httpClient, httpClient.GET());
-    currentMessage = statusData.actuatorStatus;
+    return deserializeGroupId(httpClient, httpClient.GET());
 }
\ No newline at end of file