diff --git a/apiConfig.readonly.json b/apiConfig.readonly.json
index 4b516b9..66c9adb 100644
--- a/apiConfig.readonly.json
+++ b/apiConfig.readonly.json
@@ -1,5 +1,5 @@
 {
-    "version": "2.0.10",
+    "version": "2.0.11",
     "tokenTimeout": 60,
     "apiRequestRatePerMinute": 256
 }
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 71b3e03..afe5dbe 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "type": "library",
     "description": "LDC CRM Client V2",
     "license": "MIT",
-    "version": "2.0.10",
+    "version": "2.0.11",
     "authors": [
         {
             "name": "Jérémy Munsch",
diff --git a/src/Enums/ApiError.php b/src/Enums/ApiError.php
index 3e6769d..b4d7a17 100644
--- a/src/Enums/ApiError.php
+++ b/src/Enums/ApiError.php
@@ -47,6 +47,9 @@ use Kwaadpepper\Enum\BaseEnum;
  * a replay attack scenario. Timestamps are provided in headers
  * and in the http body
  *
+ * @method static self missingParameter()
+ * The request is missing some parameters
+ *
  * @method static self throttleRequestsException()
  * Too many requests have been attempted. The is a throttle security.
  * Normally you should not trigger this.
@@ -78,6 +81,7 @@ class ApiError extends BaseEnum
             'singleOptinCustomerExists' => 120,
             'methodNotAllowed' => 150,
             'wrongTimeStamp' => 151,
+            'missingParameter' => 400,
             'authorizationException' => 403,
             'throttleRequestsException' => 429
         ];
@@ -96,6 +100,7 @@ class ApiError extends BaseEnum
             'needAuth' => 'Vous devez être authentifié',
             'methodNotAllowed' => 'This method is not allowed for this request',
             'wrongTimeStamp' => 'Your request is malformed, please check timestamp header and parameter',
+            'missingParameter' => 'The request is missing some parameters',
             'authorizationException' => 'You are not autorized to access this',
             'throttleRequestsException' => 'Throttle: too many request have been attempted, please retry later'
         ];
diff --git a/src/Transport/ApiInterface.php b/src/Transport/ApiInterface.php
index 645831c..db4f597 100644
--- a/src/Transport/ApiInterface.php
+++ b/src/Transport/ApiInterface.php
@@ -58,6 +58,8 @@ class ApiInterface
      */
     protected static $apiToken;
 
+    protected static $authentification = null;
+
     public function __construct(string $endpoint = null, string $bearerToken = null, string $bearerPwd = null)
     {
         static::$endpoint = static::$endpoint ?: $endpoint;
@@ -76,23 +78,33 @@ class ApiInterface
         if (!static::$endpoint) {
             throw new CrmException('Either config or .env file need to have the endpoint var set');
         }
+
+        // handle http Auth
+        if (\strpos(static::$endpoint, '@')) {
+            $vars = \parse_url(static::$endpoint);
+            static::$authentification = \base64_encode($vars['user'] . ':' . $vars['pass']);
+        }
     }
 
     /**
      * Make a crm http call to get a reponse
      *
      * @param Request $request
+     * @param bool $addBearer
      * @return \LDC\LDCCRM\Transport\Response
      * @throws \LDC\LDCCRM\Exceptions\CrmException if an error occurs on server side or on getting response
      * @throws \LDC\LDCCRM\Exceptions\ApiErrorException If any error or \LDC\LDCCRM\Enums\ApiError occurs
      */
-    public function call(Request $request): Response
+    public function call(Request $request, bool $addBearer = false): Response
     {
         $headers = [];
         $data = [];
         $this->setHeaders($headers);
         $this->setData($data);
         $data = array_merge($request->data, $data);
+
+        $this->addCredentials($request, $addBearer);
+
         $response = $this->processRequest($request, $headers, $data);
         try {
             if ($response->status->equals(ApiStatus::KO())) {
@@ -188,8 +200,7 @@ class ApiInterface
     protected function authenticate(): bool
     {
         $request = Utils::getResquest('apiV2.authenticate');
-        $this->addBearerCredentials($request);
-        $response = $this->call($request);
+        $response = $this->call($request, true);
         if ($response->status->equals(ApiStatus::KO())) {
             throw new LoginException($response->apiError->label, $response->apiError->value);
         }
@@ -200,13 +211,23 @@ class ApiInterface
      * Inject bearer credentials into the request
      *
      * @param Request $request
+     * @param bool $addBearer
      * @return void
      */
-    protected function addBearerCredentials(Request $request)
+    protected function addCredentials(Request $request, bool $addBearer = false)
     {
-        $request->setHidden([
-            'headers' => ['Authorization' => sprintf('Bearer %s', static::$bearerToken)],
-            'data' => ['bearer_pwd' => static::$bearerPwd]
-        ]);
+        $params = [];
+        $authentification = [];
+        if (static::$authentification) {
+            $authentification[] = sprintf('Basic %s', static::$authentification);
+        }
+        if ($addBearer) {
+            $authentification[] = sprintf('Bearer %s', static::$bearerToken);
+            $params['data'] = ['bearer_pwd' => static::$bearerPwd];
+        }
+        if ($authentification) {
+            $params['headers'] = ['Authorization' => implode(',', $authentification)];
+        }
+        $request->setHidden($params);
     }
 }