diff --git a/include/Program.h b/include/Program.h
index 66e4a79..6449382 100644
--- a/include/Program.h
+++ b/include/Program.h
@@ -1,7 +1,11 @@
 #ifndef PROGRAM_H
 #define PROGRAM_H
 
-#include "Arduino.h"
+#include <Arduino.h>
+#include <ESP8266WiFi.h>
+
+#include "DiscordAPI.h"
+
 
 class Program {
 public:
@@ -14,6 +18,9 @@ public:
      * Program main loop
      */
     void loop();
+
+private:
+    DiscordAPI* discord;
 };
 
 #endif
diff --git a/lib/DiscordAPI/include/DiscordAPI.h b/lib/DiscordAPI/include/DiscordAPI.h
new file mode 100644
index 0000000..638e06a
--- /dev/null
+++ b/lib/DiscordAPI/include/DiscordAPI.h
@@ -0,0 +1,55 @@
+#ifndef DISCORD_API_H
+#define DISCORD_API_H
+
+#include <Arduino.h>
+#include <ESP8266HTTPClient.h>
+#include <WiFiClient.h>
+#include <WiFiClientSecureBearSSL.h>
+#include <ESP8266WiFi.h>
+
+class DiscordAPI{
+public:
+    /**
+     * @brief Construct a new Discord API object
+     * @param hookUrl url of the discord webhook
+     */
+    DiscordAPI(String hookUrl);
+
+    /**
+     * @brief send a message to the discord webhook
+     * @param trame trame a envoyer
+     * @return true la trame est bien envoyée
+     * @return false la trame n'est pas envoyée
+     */
+    bool sendMessage(String trame);
+
+    /**
+     * @brief envoie un embed discord avec les horaires d'ouverture et de fermeture du lab
+     *
+     * @param hStart heure d'ouverture
+     * @param hEnd heure de fermeture
+     * @return true la trame est bien envoyée
+     * @return false la trame n'est pas envoyée
+     */
+    bool sendHeure(String hStart, String hEnd);
+
+private:
+
+    /**
+     * @brief webhook URL
+     */
+    String hookUrl;
+
+    /**
+     * @brief http client
+     */
+    HTTPClient* httpClient;
+
+    /**
+     * @brief wifi client (for https)
+     */
+    BearSSL::WiFiClientSecure* wifiClient;
+};
+
+
+#endif //DISCORD_API_H
diff --git a/lib/DiscordAPI/src/DiscordAPI.cpp b/lib/DiscordAPI/src/DiscordAPI.cpp
new file mode 100644
index 0000000..e8dd87c
--- /dev/null
+++ b/lib/DiscordAPI/src/DiscordAPI.cpp
@@ -0,0 +1,38 @@
+#include "../include/DiscordAPI.h"
+
+DiscordAPI::DiscordAPI(String hookUrl){
+    this->hookUrl = hookUrl;
+
+    this->httpClient = new HTTPClient();
+    this->wifiClient = new BearSSL::WiFiClientSecure;
+    this->wifiClient->setInsecure();
+
+    randomSeed(analogRead(A0));
+}
+
+bool DiscordAPI::sendMessage(String trame){
+    bool sortie = true;
+
+    if(WiFi.status() != WL_CONNECTED){
+        return false;
+    }
+
+    this->httpClient->begin(*this->wifiClient, this->hookUrl);
+    this->httpClient->addHeader("Content-Type", "application/json");
+
+    int resp = this->httpClient->POST(trame);
+    if(resp != 204){
+        sortie = false;
+        Serial.print("sending message error code : ");
+        Serial.println(resp);
+    }
+    this->httpClient->end();
+    return sortie;
+}
+
+
+bool DiscordAPI::sendHeure(String hStart, String hEnd){
+    int color = random(16777215);
+    String trame = "{\"embeds\": [{\"title\": \"Le Lab est ouvert !\",\"description\": \"Le Lab est ouvert de **"+ hStart +"** à **"+ hEnd +"**\",\"color\": \"" + color + "\"}]}";
+    return this->sendMessage(trame);
+}
diff --git a/src/Program.cpp b/src/Program.cpp
index e412959..9dbdbea 100644
--- a/src/Program.cpp
+++ b/src/Program.cpp
@@ -3,6 +3,28 @@
 Program::Program() {
     // Startup
     Serial.begin(MONITOR_SPEED);
+
+    WiFi.begin(WSSID, PASS);
+
+    Serial.print("Connecting to ");
+    Serial.print(WSSID); Serial.println(" ...");
+
+    int i = 0;
+    while (WiFi.status() != WL_CONNECTED) { // Wait for the Wi-Fi to connect
+        delay(1000);
+        Serial.print(++i); Serial.print(' ');
+    }
+
+    Serial.println('\n');
+    Serial.println("Connection established!");
+    Serial.print("IP address:\t");
+    Serial.println(WiFi.localIP());         // Send the IP address of the ESP8266 to the computer
+
+
+
+    this->discord = new DiscordAPI(DISCORD_HOOK);
+    delay(1000);
+    Serial.println(this->discord->sendHeure("10h", "18h"));
 }
 
 void Program::loop() {