diff --git a/reference/sender.json b/reference/sender.json
index f2ccc1f9464954c49e18f52e2ad8ad0903a214b1..fc5f440754d43f9e34330e6d73c7acf20a743e14 100644
--- a/reference/sender.json
+++ b/reference/sender.json
@@ -130,7 +130,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:application:apply",
               "{sourceId}:source:manage"
             ]
@@ -382,7 +382,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:application:apply",
               "{sourceId}:source:manage"
             ]
@@ -450,7 +450,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:destination-info:read",
               "{sourceId}:source:manage"
             ]
@@ -587,7 +587,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:application:apply",
               "{sourceId}:source:manage"
             ]
@@ -730,7 +730,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:application:apply",
               "{sourceId}:source:manage"
             ]
@@ -829,7 +829,7 @@
         "description": "Ruft den aktuellen Status der Ãœbermittlung sowie einer Ãœbersicht der bisherigen Ãœbertragungshistorie ab.",
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:status:read",
               "{sourceId}:source:manage"
             ]
@@ -978,7 +978,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{sourceId}:application:apply",
               "{sourceId}:source:manage"
             ]
@@ -1000,18 +1000,18 @@
   ],
   "components": {
     "securitySchemes": {
-      "API Key": {
+      "OAuth 2.0": {
         "type": "oauth2",
         "flows": {
           "clientCredentials": {
-            "tokenUrl": "beispieltokenURL.de",
+            "tokenUrl": "https://oauth.fiep-poc.de/invoke/pub.apigateway.oauth2/getAccessToken",
+            "refreshUrl": "",
             "scopes": {
               "{sourceId}:source:manage": "Dieser Zufriffsbereich erlaubt es alle Endpunkte einer ",
               "{sourceId}:destination-info:read": "Dieser Zufriffsbereich erlaubt es Informationen von existierenden Destinationsabzurufen",
               "{sourceId}:status:read": "Dieser Zufriffsbereich erlaubt es auf Statusmitteilungen zu einem übersendeten Antrag abzurufen.",
               "{sourceId}:application:apply": "Dieser Zugriffsbereich erlaubt es Anträge anzulegen, diesen zu aktualisieren und abzusenden."
-            },
-            "refreshUrl": "beispielrefreshURL.de"
+            }
           }
         },
         "description": "Dieses Authentifizierungsmethode wird genutzt, um den Zugriff auf die Produktiv API zu autorisieren. "
diff --git a/reference/subscriber.json b/reference/subscriber.json
index 93131666eef4906e3b0de020ad0ca7119d4699ee..967ef08bd4cc5e12e9769c7e8c1ba330896ce563 100644
--- a/reference/subscriber.json
+++ b/reference/subscriber.json
@@ -115,7 +115,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:destination:read",
               "{subscriberId}:manage",
               "{subscriberId}:destination:manage"
@@ -226,7 +226,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:destination:manage",
               "{subscriberId}:destination:create"
@@ -342,7 +342,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:application:receive",
               "{subscriberId}:destination:{destinationId}:application:receive"
@@ -448,7 +448,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:application:receive",
               "{subscriberId}:destination:{destinationId}:application:receive"
@@ -678,7 +678,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:application:receive",
               "{subscriberId}:destination:{destinationId}:application:receive"
@@ -769,7 +769,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:application:receive",
               "{subscriberId}:destination:{destinationId}:application:receive"
@@ -999,7 +999,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:application:receive",
               "{subscriberId}:destination:{destinationId}:application:receive"
@@ -1116,7 +1116,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:destination:read",
               "{subscriberId}:destination:manage",
               "{subscriberId}:manage",
@@ -1216,7 +1216,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:destination:update",
               "{subscriberId}:destination:manage",
@@ -1279,7 +1279,7 @@
         ],
         "security": [
           {
-            "API Key": [
+            "OAuth 2.0": [
               "{subscriberId}:manage",
               "{subscriberId}:destination:manage",
               "{subscriberId}:destination:delete",
@@ -1300,11 +1300,11 @@
   ],
   "components": {
     "securitySchemes": {
-      "API Key": {
+      "OAuth 2.0": {
         "type": "oauth2",
         "flows": {
           "clientCredentials": {
-            "tokenUrl": "",
+            "tokenUrl": "https://oauth.fiep-poc.de/invoke/pub.apigateway.oauth2/getAccessToken",
             "refreshUrl": "",
             "scopes": {
               "{subscriberId}:destination:manage": "Dieser Zugriffsbereich alle Destination Endpunkte eines Subscriber genutzt werden.",