diff --git a/Controllers/readeckButtonController.php b/Controllers/readeckButtonController.php
index 980c53c..44c22a9 100644
--- a/Controllers/readeckButtonController.php
+++ b/Controllers/readeckButtonController.php
@@ -9,8 +9,8 @@ public function jsVarsAction(): void
   {
     $extension = Minz_ExtensionManager::findExtension('Readeck Button');
     $this->view->readeck_button_vars = json_encode(array(
-      'instance_api_url' => FreshRSS_Context::userConf()->attributeString('instance_api_url'),
-      'keyboard_shortcut' => FreshRSS_Context::userConf()->attributeString('keyboard_shortcut'),
+      'instance_url' => FreshRSS_Context::userConf()->attributeString('readeck_instance_url'),
+      'keyboard_shortcut' => FreshRSS_Context::userConf()->attributeString('readeck_shortcut'),
       'icons' => array(
         'added_to_readeck' => $extension->getFileUrl('added_to_readeck.svg', 'svg'),
       ),
@@ -30,22 +30,24 @@ public function jsVarsAction(): void
 
   public function requestAccessAction(): void
   {
+    $instance_url = Minz_Request::paramString('instance_url');
     $api_token = Minz_Request::paramString('api_token');
-    $instance_api_url = Minz_Request::paramString('instance_api_url');
-    FreshRSS_Context::userConf()->_attribute('instance_api_url', $instance_api_url);
-    FreshRSS_Context::userConf()->_attribute('api_token', $api_token);
+
+    // TODO: handle trailing slash in url
+
+
+    FreshRSS_Context::userConf()->_attribute('readeck_instance_url', $instance_url);
+    FreshRSS_Context::userConf()->_attribute('readeck_api_token', $api_token);
     FreshRSS_Context::userConf()->save();
 
-    $result = $this->curlGetRequest($instance_api_url . '/profile', $api_token);
+    $result = $this->curlGetRequest($instance_url . '/api/profile', $api_token);
     if ($result['status'] == 200) {
-      FreshRSS_Context::userConf()->_attribute('username', $result['response']->user->username);
-      FreshRSS_Context::userConf()->_attribute('instance_api_url', $instance_api_url);
-      FreshRSS_Context::userConf()->_attribute('api_token', $api_token);
+      FreshRSS_Context::userConf()->_attribute('readeck_username', $result['response']->user->username);
       FreshRSS_Context::userConf()->save();
 
       $url_redirect = array('c' => 'extension', 'a' => 'configure', 'params' => array('e' => 'Readeck Button'));
       Minz_Request::good(_t('ext.readeckButton.notifications.authorized_success'), $url_redirect);
-      exit();
+      return;
     }
 
     $url_redirect = array('c' => 'extension', 'a' => 'configure', 'params' => array('e' => 'Readeck Button'));
@@ -54,15 +56,64 @@ public function requestAccessAction(): void
 
   public function revokeAccessAction(): void
   {
-    FreshRSS_Context::userConf()->_attribute('instance_api_url');
-    FreshRSS_Context::userConf()->_attribute('api_token');
-    FreshRSS_Context::userConf()->_attribute('username');
+    // TODO: remove in the next 2 versions
+    $this->migrateConfigvariables();
+
+    FreshRSS_Context::userConf()->_attribute('readeck_instance_url');
+    FreshRSS_Context::userConf()->_attribute('readeck_api_token');
+    FreshRSS_Context::userConf()->_attribute('readeck_username');
     FreshRSS_Context::userConf()->save();
 
     $url_redirect = array('c' => 'extension', 'a' => 'configure', 'params' => array('e' => 'Readeck Button'));
     Minz_Request::forward($url_redirect);
   }
 
+  // TODO: remove this method after the next 2 versions - all users should've already been migrated, hopefuly
+  private function migrateConfigvariables(): void
+  {
+    $username = FreshRSS_Context::userConf()->attributeString('username');
+    $keyboard_shortcut = FreshRSS_Context::userConf()->attributeString('keyboard_shortcut');
+    $instance_url = FreshRSS_Context::userConf()->attributeString('instance_api_url');
+    $api_token = FreshRSS_Context::userConf()->attributeString('api_token');
+
+    if (!isset($username) && !isset($instance_url) && !isset($api_token))
+    {
+      // Already migrated.
+      return;
+    }
+
+    // Migrate to base url
+    if (substr($instance_url, -1) == '/')
+    {
+      $instance_url = substr($instance_url, 0, -1);
+    }
+    if (substr($instance_url, -4) == '/api')
+    {
+      $instance_url = substr($instance_url, 0, -4);
+    }
+
+    // Save them with preix
+    FreshRSS_Context::userConf()->_attribute('readeck_username', $username);
+    FreshRSS_Context::userConf()->_attribute('readeck_instance_url', $instance_url);
+    FreshRSS_Context::userConf()->_attribute('readeck_api_token', $api_token);
+
+    // Remove old variables
+    FreshRSS_Context::userConf()->_attribute('username');
+    FreshRSS_Context::userConf()->_attribute('instance_api_url');
+    FreshRSS_Context::userConf()->_attribute('api_token');
+
+    if (isset($keyboard_shortcut)) {
+      FreshRSS_Context::userConf()->_attribute('readeck_shortcut', $keyboard_shortcut);
+      FreshRSS_Context::userConf()->_attribute('keyboard_shortcut');
+    }
+    else {
+      // Does not matter, user might have not even set it
+    }
+
+    // Migration complete
+    FreshRSS_Context::userConf()->save();
+  }
+
   public function addAction(): void
   {
     $this->view->_layout(null);
@@ -80,10 +131,13 @@ public function addAction(): void
       'url' => $entry->link(),
     );
 
-    $api_token = FreshRSS_Context::userConf()->attributeString('api_token');
-    $instance_api_url = FreshRSS_Context::userConf()->attributeString('instance_api_url');
+    // TODO: remove in the next 2 versions
+    $this->migrateConfigvariables();
+
+    $api_token = FreshRSS_Context::userConf()->attributeString('readeck_api_token');
+    $instance_url = FreshRSS_Context::userConf()->attributeString('readeck_instance_url');
 
-    $result = $this->curlPostRequest($instance_api_url . '/bookmarks', $post_data, $api_token);
+    $result = $this->curlPostRequest($instance_url . '/api/bookmarks', $post_data, $api_token);
     $result['response'] = array('title' => $entry->title());
 
     echo json_encode($result);
diff --git a/configure.phtml b/configure.phtml
index 84a8ec9..a8a3ed7 100644
--- a/configure.phtml
+++ b/configure.phtml
@@ -2,10 +2,10 @@
 
 declare(strict_types=1);
 /** @var ReadeckButtonExtension $this */
-$instance_url = FreshRSS_Context::userConf()->attributeString('instance_api_url');
-$api_token = FreshRSS_Context::userConf()->attributeString('api_token');
-$username = FreshRSS_Context::userConf()->attributeString('username');
-$keyboard_shortcut = FreshRSS_Context::userConf()->attributeString('keyboard_shortcut');
+$instance_url = FreshRSS_Context::userConf()->attributeString('readeck_instance_url');
+$api_token = FreshRSS_Context::userConf()->attributeString('readeck_api_token');
+$username = FreshRSS_Context::userConf()->attributeString('readeck_username');
+$keyboard_shortcut = FreshRSS_Context::userConf()->attributeString('readeck_shortcut');
 ?>
 
 <form action="<?= _url('extension', 'configure', 'e', urlencode($this->getName())); ?>" method="post">
@@ -28,13 +28,13 @@ $keyboard_shortcut = FreshRSS_Context::userConf()->attributeString('keyboard_sho
   <form action="<?= _url('readeckButton', 'requestAccess'); ?>" method="post">
     <input type="hidden" name="_csrf" value="<?= FreshRSS_Auth::csrfToken(); ?>" />
     <div class="form-group">
-      <label class="group-name" for="instance_api_url"><?= _t('ext.readeckButton.configure.instance_api_url'); ?></label>
+      <label class="group-name" for="instance_url"><?= _t('ext.readeckButton.configure.instance_url'); ?></label>
       <div class="group-controls">
-        <input type="url" name="instance_api_url" id="instance_api_url" title="Please enter a valid URL starting with http:// or https://" value="<?= $instance_url; ?>" required>
+        <input type="url" name="instance_url" id="instance_url" title="Please enter a valid URL starting with http:// or https://" value="<?= $instance_url; ?>" required>
       </div>
       <label class="group-name" for="api_token"><?= _t('ext.readeckButton.configure.api_token'); ?></label>
       <div class="group-controls">
-        <input type="text" name="api_token" id="api_token" value="<?= $api_token; ?>" required>
+        <input type="password" name="api_token" id="api_token" value="<?= $api_token; ?>" required>
       </div>
     </div>
 
diff --git a/extension.php b/extension.php
index 9b93cb9..25aa663 100644
--- a/extension.php
+++ b/extension.php
@@ -19,10 +19,9 @@ public function init()
   public function handleConfigureAction()
   {
     $this->registerTranslates();
-
     if (Minz_Request::isPost()) {
       $keyboard_shortcut = Minz_Request::paramString('keyboard_shortcut');
-      FreshRSS_Context::userConf()->_attribute('readeck_keyboard_shortcut', $keyboard_shortcut);
+      FreshRSS_Context::userConf()->_attribute('readeck_shortcut', $keyboard_shortcut);
       FreshRSS_Context::userConf()->save();
     }
   }
diff --git a/i18n/cs/ext.php b/i18n/cs/ext.php
index b9cab72..329c0f3 100644
--- a/i18n/cs/ext.php
+++ b/i18n/cs/ext.php
@@ -12,7 +12,7 @@
       <span>Podrobnosti naleznete na <a href="https://github.com/Joedmin/freshrss-readeck-button" target="_blank">GitHubu</a>!',
       'connect_to_readeck' => 'Připojit se k Readecku',
       'username' => 'Uživatelské jméno',
-      'instance_api_url' => 'URL adresy API instance Readeck',
+      'instance_url' => 'URL adresa instance Readeck',
       'keyboard_shortcut' => ' Klávesová zkratka',
       'extension_disabled' => 'Před připojením ke službě Readeck je nutné rozšíření povolit!',
       'connected_to_readeck' => 'Jste připojeni k Readecku skrze účet <b>%s</b> zapomocí API tokenu <b>%s</b> na adrese <b>%s</b>.',
diff --git a/i18n/en/ext.php b/i18n/en/ext.php
index c98e295..422e84f 100755
--- a/i18n/en/ext.php
+++ b/i18n/en/ext.php
@@ -12,7 +12,7 @@
       <span>Details can be found on <a href="https://github.com/Joedmin/freshrss-readeck-button" target="_blank">GitHub</a>!',
       'connect_to_readeck' => 'Connect to Readeck',
       'username' => 'Username',
-      'instance_api_url' => 'Readeck instance API url',
+      'instance_url' => 'Readeck instance url',
       'keyboard_shortcut' => 'Keyboard shortcut',
       'extension_disabled' => 'You need to enable the extension before you can connect to Readeck!',
       'connected_to_readeck' => 'You are connected to Readeck with the account <b>%s</b> using the access token <b>%s</b> at <b>%s</b>.',