diff --git a/src/manifest.json b/src/manifest.json
index fa48112..466d06d 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -15,6 +15,7 @@
     "activeTab",
     "storage",
     "contextMenus",
+    "nativeMessaging",
     "https://*.simplelogin.io/*",
     "http://*/*",
     "https://*/*"
diff --git a/src/popup/components/AppSettings.vue b/src/popup/components/AppSettings.vue
index 38ea19e..fdc0215 100644
--- a/src/popup/components/AppSettings.vue
+++ b/src/popup/components/AppSettings.vue
@@ -27,7 +27,9 @@
                 v-show="showSLButton"
                 target="_blank"
               >
-                <br /><font-awesome-icon icon="bug" /> Report an issue
+                <br />
+                <font-awesome-icon icon="bug" />
+                Report an issue
               </a>
             </small>
           </td>
@@ -165,6 +167,17 @@ export default {
       await SLStorage.remove(SLStorage.SETTINGS.API_KEY);
       EventManager.broadcast(EventManager.EVENT.SETTINGS_CHANGED);
       Navigation.clearHistoryAndNavigateTo(Navigation.PATH.LOGIN);
+
+      try {
+        console.log("send log out event to host app");
+        let r = await browser.runtime.sendNativeMessage("application.id", {
+          message: {
+            logged_out: {},
+          },
+        });
+      } catch (error) {
+        console.info("can't send data to native app", error);
+      }
     },
 
     async setMailToUri() {
diff --git a/src/popup/components/Main.vue b/src/popup/components/Main.vue
index afdc2e7..f78ca27 100644
--- a/src/popup/components/Main.vue
+++ b/src/popup/components/Main.vue
@@ -93,7 +93,8 @@
           class="btn btn-outline-primary btn-sm"
           @click="createRandomAlias"
         >
-          <font-awesome-icon icon="random" /> OR create a totally random alias
+          <font-awesome-icon icon="random" />
+          OR create a totally random alias
         </button>
       </div>
 
@@ -257,6 +258,24 @@ export default {
     this.apiUrl = await SLStorage.get(SLStorage.SETTINGS.API_URL);
     this.apiKey = await SLStorage.get(SLStorage.SETTINGS.API_KEY);
 
+    if (this.apiKey) {
+      try {
+        console.log("send api key to host app");
+        let r = await browser.runtime.sendNativeMessage("application.id", {
+          message: {
+            logged_in: {
+              data: {
+                api_key: this.apiKey,
+                api_url: this.apiUrl,
+              },
+            },
+          },
+        });
+      } catch (error) {
+        console.info("can't send data to native app", error);
+      }
+    }
+
     this.contentElem = document.querySelector(".app > .content");
 
     await this.getUserOptions();