diff --git a/src/V2/Authentication/AuthenticatedEndpoint.php b/src/V2/Authentication/AuthenticatedEndpoint.php
index 1ffdbd4..7c19e42 100644
--- a/src/V2/Authentication/AuthenticatedEndpoint.php
+++ b/src/V2/Authentication/AuthenticatedEndpoint.php
@@ -5,7 +5,7 @@
 trait AuthenticatedEndpoint {
     protected $apiKey;
 
-    public function apiKey() {
+    public function getApiKey() {
         return $this->apiKey;
     }
 }
diff --git a/src/V2/Authentication/AuthenticationHandler.php b/src/V2/Authentication/AuthenticationHandler.php
index 0dd071b..b3f8fdc 100644
--- a/src/V2/Authentication/AuthenticationHandler.php
+++ b/src/V2/Authentication/AuthenticationHandler.php
@@ -25,7 +25,7 @@ protected function getEndpoint() {
      * @param RequestInterface $request
      */
     public function onRequest( RequestInterface $request ) {
-        $request->addHeader( 'Authorization', 'Bearer ' . $this->getEndpoint()->apiKey() );
+        $request->addHeader( 'Authorization', 'Bearer ' . $this->getEndpoint()->getApiKey() );
     }
 
     /**
diff --git a/src/V2/Authentication/IAuthenticatedEndpoint.php b/src/V2/Authentication/IAuthenticatedEndpoint.php
index 45f6361..df7362a 100644
--- a/src/V2/Authentication/IAuthenticatedEndpoint.php
+++ b/src/V2/Authentication/IAuthenticatedEndpoint.php
@@ -5,5 +5,5 @@
 use GW2Treasures\GW2Api\V2\IEndpoint;
 
 interface IAuthenticatedEndpoint extends IEndpoint {
-    public function apiKey();
+    public function getApiKey();
 }