diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6930800..51c7c40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,7 +20,7 @@ As far as possible, we try to adhere to [Symfony guidelines](https://symfony.com
 
 ### Added
 
-- Add App Sec requests support
+- Add AppSec requests support
 
 
 ---
diff --git a/src/Client/HttpMessage/AppSecRequest.php b/src/Client/HttpMessage/AppSecRequest.php
index b3f9630..c3d7497 100644
--- a/src/Client/HttpMessage/AppSecRequest.php
+++ b/src/Client/HttpMessage/AppSecRequest.php
@@ -4,6 +4,8 @@
 
 namespace CrowdSec\Common\Client\HttpMessage;
 
+use CrowdSec\Common\Constants;
+
 /**
  * Request that will be sent to CrowdSec AppSec component.
  *
@@ -24,12 +26,12 @@ class AppSecRequest extends Request
      * @var string[]
      */
     protected $requiredHeaders = [
-        'X-Crowdsec-Appsec-Ip',
-        'X-Crowdsec-Appsec-User-Agent',
-        'X-Crowdsec-Appsec-Verb',
-        'X-Crowdsec-Appsec-Uri',
-        'X-Crowdsec-Appsec-Host',
-        'X-Crowdsec-Appsec-Api-Key',
+        Constants::HEADER_APPSEC_IP,
+        Constants::HEADER_APPSEC_USER_AGENT,
+        Constants::HEADER_APPSEC_VERB,
+        Constants::HEADER_APPSEC_URI,
+        Constants::HEADER_APPSEC_HOST,
+        Constants::HEADER_APPSEC_API_KEY,
     ];
     /**
      * @var string
diff --git a/src/Client/HttpMessage/Request.php b/src/Client/HttpMessage/Request.php
index e04332a..0b984bf 100644
--- a/src/Client/HttpMessage/Request.php
+++ b/src/Client/HttpMessage/Request.php
@@ -5,6 +5,7 @@
 namespace CrowdSec\Common\Client\HttpMessage;
 
 use CrowdSec\Common\Client\ClientException;
+use CrowdSec\Common\Constants;
 
 /**
  * Request that will be sent to CrowdSec.
@@ -29,7 +30,7 @@ class Request extends AbstractMessage
      * @var string[]
      */
     protected $requiredHeaders = [
-        'User-Agent',
+        Constants::HEADER_LAPI_USER_AGENT,
     ];
     /**
      * @var string
diff --git a/src/Constants.php b/src/Constants.php
index 918ad4a..7cabb57 100644
--- a/src/Constants.php
+++ b/src/Constants.php
@@ -40,6 +40,38 @@ class Constants
      * @var int The CrowdSec TTL for decisions (in seconds)
      */
     public const DURATION = 86400;
+    /**
+     * @var string The AppSec API key header name
+     */
+    public const HEADER_APPSEC_API_KEY = 'X-Crowdsec-Appsec-Api-Key';
+    /**
+     * @var string The AppSec host header name
+     */
+    public const HEADER_APPSEC_HOST = 'X-Crowdsec-Appsec-Host';
+    /**
+     * @var string The AppSec IP header name
+     */
+    public const HEADER_APPSEC_IP = 'X-Crowdsec-Appsec-Ip';
+    /**
+     * @var string The AppSec URI header name
+     */
+    public const HEADER_APPSEC_URI = 'X-Crowdsec-Appsec-Uri';
+    /**
+     * @var string The AppSec User-Agent header name
+     */
+    public const HEADER_APPSEC_USER_AGENT = 'X-Crowdsec-Appsec-User-Agent';
+    /**
+     * @var string The AppSec verb header name
+     */
+    public const HEADER_APPSEC_VERB = 'X-Crowdsec-Appsec-Verb';
+    /**
+     * @var string The LAPI API key header name
+     */
+    public const HEADER_LAPI_API_KEY = 'X-Api-Key';
+    /**
+     * @var string The LAPI User-Agent header name
+     */
+    public const HEADER_LAPI_USER_AGENT = 'User-Agent';
     /**
      * @var string The ISO8601 date regex
      */
diff --git a/tests/MockedData.php b/tests/MockedData.php
index a768368..016eeab 100644
--- a/tests/MockedData.php
+++ b/tests/MockedData.php
@@ -35,6 +35,6 @@ class MockedData
 EOT;
 
     public const APPSEC_ALLOWED = <<<EOT
-{"action":"allow"}
+{"action":"allow","http_status":200}
 EOT;
 }
diff --git a/tests/Unit/AbstractClientTest.php b/tests/Unit/AbstractClientTest.php
index ac0472f..432339d 100644
--- a/tests/Unit/AbstractClientTest.php
+++ b/tests/Unit/AbstractClientTest.php
@@ -140,7 +140,7 @@ public function testPrivateOrProtectedMethods()
         $this->assertEquals(
             Constants::APPSEC_URL . '/',
             $appSecUrl,
-            'App Sec Url should be ok'
+            'AppSec Url should be ok'
         );
         // formatResponseBody
         $jsonBody = json_encode(['message' => 'ok']);