diff --git a/keycloak/__init__.py b/keycloak/__init__.py
index 8e0f14d..bb634f7 100644
--- a/keycloak/__init__.py
+++ b/keycloak/__init__.py
@@ -2,10 +2,9 @@
 
 """
 
-import json
-
 from keycloak.exceptions import raise_error_from_response, KeycloakGetError
-from .urls_patterns import URL_AUTH, URL_TOKEN, URL_USERINFO, URL_WELL_KNOWN, URL_LOGOUT
+from .urls_patterns import URL_AUTH, URL_TOKEN, URL_USERINFO, URL_WELL_KNOWN, URL_LOGOUT, \
+    URL_CERTS, URL_ENTITLEMENT
 from .connection import ConnectionManager
 
 
@@ -30,9 +29,8 @@ class Keycloak:
 
         params_path = {"realm-name": self.__realm_name}
         data_raw = self.__connection.raw_get(URL_WELL_KNOWN.format(**params_path))
-        raise_error_from_response(data_raw, KeycloakGetError)
 
-        return json.loads(data_raw.text)
+        return raise_error_from_response(data_raw, KeycloakGetError)
 
     def auth_url(self, redirect_uri):
         """
@@ -66,9 +64,7 @@ class Keycloak:
 
         data_raw = self.__connection.raw_post(URL_TOKEN.format(**params_path),
                                               data=payload)
-        raise_error_from_response(data_raw, KeycloakGetError)
-
-        return json.loads(data_raw.text)
+        return raise_error_from_response(data_raw, KeycloakGetError)
 
     def userinfo(self, token):
         """
@@ -85,9 +81,8 @@ class Keycloak:
         params_path = {"realm-name": self.__realm_name}
 
         data_raw = self.__connection.raw_get(URL_USERINFO.format(**params_path))
-        raise_error_from_response(data_raw, KeycloakGetError)
 
-        return json.loads(data_raw.text)
+        return raise_error_from_response(data_raw, KeycloakGetError)
 
     def logout(self, refresh_token):
         """
@@ -103,6 +98,47 @@ class Keycloak:
 
         data_raw = self.__connection.raw_post(URL_LOGOUT.format(**params_path),
                                               data=payload)
-        raise_error_from_response(data_raw, KeycloakGetError, expected_code=204)
 
-        return None
+        return raise_error_from_response(data_raw, KeycloakGetError, expected_code=204)
+
+    def certs(self):
+        """
+        The certificate endpoint returns the public keys enabled by the realm, encoded as a
+        JSON Web Key (JWK). Depending on the realm settings there can be one or more keys enabled
+        for verifying tokens.
+
+        https://tools.ietf.org/html/rfc7517
+
+        :return:
+        """
+        params_path = {"realm-name": self.__realm_name}
+        data_raw = self.__connection.raw_get(URL_CERTS.format(**params_path))
+        return raise_error_from_response(data_raw, KeycloakGetError)
+
+    def entitlement(self, token, resource_server_id):
+        """
+        Client applications can use a specific endpoint to obtain a special security token
+        called a requesting party token (RPT). This token consists of all the entitlements
+        (or permissions) for a user as a result of the evaluation of the permissions and authorization
+        policies associated with the resources being requested. With an RPT, client applications can
+        gain access to protected resources at the resource server.
+
+        :return:
+        """
+        self.__connection.add_param_headers("Authorization", "Bearer " + token)
+        params_path = {"realm-name": self.__realm_name, "resource-server-id": resource_server_id}
+        data_raw = self.__connection.raw_get(URL_ENTITLEMENT.format(**params_path))
+
+        return raise_error_from_response(data_raw, KeycloakGetError)
+
+    def instropect(self, token, token_type_hint="requesting_party_token"):
+        """
+        The introspection endpoint is used to retrieve the active state of a token. It is can only be
+        invoked by confidential clients.
+
+        https://tools.ietf.org/html/rfc7662
+
+        :param token:
+        :return:
+        """
+        return None
\ No newline at end of file
diff --git a/keycloak/urls_patterns.py b/keycloak/urls_patterns.py
index 8ffa3e1..6d58d3a 100644
--- a/keycloak/urls_patterns.py
+++ b/keycloak/urls_patterns.py
@@ -4,3 +4,7 @@ URL_AUTH = "realms/{realm-name}/protocol/openid-connect/auth"
 URL_TOKEN = "realms/{realm-name}/protocol/openid-connect/token"
 URL_USERINFO = "realms/{realm-name}/protocol/openid-connect/userinfo"
 URL_LOGOUT = "realms/{realm-name}/protocol/openid-connect/logout"
+URL_CERTS = "realms/{realm-name}/protocol/openid-connect/certs"
+URL_INTROSPECT = "realms/{realm-name}/protocol/openid-connect/token/introspect"
+
+URL_ENTITLEMENT = "realms/{realm-name}/authz/entitlement/{resource-server-id}"