diff --git a/src/Api.php b/src/Api.php
index 911b332..5635f3d 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -11,25 +11,21 @@ use Illuminate\Support\Collection;
 use Zoomyboy\LaravelNami\Backend\Backend;
 use Zoomyboy\LaravelNami\Concerns\IsNamiMember;
 use Zoomyboy\LaravelNami\NamiException;
+use Illuminate\Support\Facades\Cache;
+use Zoomyboy\LaravelNami\Cookies\Cookie;
 
 class Api {
 
-    public $cookie;
+    private $cookie;
     public $loggedIn = null;
     public static $url = 'https://nami.dpsg.de';
 
-    public function __construct() {
-        $this->cookie = new \GuzzleHttp\Cookie\CookieJar();
+    public function __construct($cookieStore) {
+        $this->cookie = $cookieStore;
     }
 
     public function http() {
-        return Backend::cookie($this->cookie);
-    }
-
-    public function setUser(NamiUser $user) {
-        $this->user = $user;
-
-        return $this;
+        return Backend::init($this->cookie);
     }
 
     public function findNr($nr) {
@@ -51,6 +47,8 @@ class Api {
 
             return Member::fromNami($data);
         }
+
+        $this->exception('Search failed', ['url' => $url], $response->json());
     }
 
     protected function loggedInAlready(): bool {
@@ -58,7 +56,9 @@ class Api {
     }
 
     public function login($mglnr = null, $password = null, $groupid = null): self {
-        if ($this->loggedIn) { return $this; }
+        if ($this->cookie->resolve($mglnr)) {
+            return $this;
+        }
 
         $mglnr = $mglnr ?: config('nami.auth.mglnr');
         $password = $password ?: config('nami.auth.password');
@@ -78,6 +78,7 @@ class Api {
             throw $e;
         }
 
+        $this->cookie->store($mglnr);
         $this->loggedIn = $mglnr;
 
         return $this;
@@ -92,7 +93,7 @@ class Api {
         $response = $this->http()->put(self::$url.'/ica/rest/nami/mitglied/filtered-for-navigation/gruppierung/gruppierung/'.$member->group_id.'/'.$member->id, $member->toNami());
 
         if (!data_get($response->json(), 'id')) {
-            throw new NamiException('update failed');
+            $this->exception('Update failed', $response->json(), $member->toNami());
         }
     }
 
@@ -246,5 +247,9 @@ class Api {
         return $member->toArray();
     }
 
+    private function exception($message, $request, $response) {
+        throw (new NamiException($message))->response($response)->request($request);
+    }
+
 }
 
diff --git a/src/Authentication/NamiGuard.php b/src/Authentication/NamiGuard.php
index 1a005c4..bf8da36 100644
--- a/src/Authentication/NamiGuard.php
+++ b/src/Authentication/NamiGuard.php
@@ -47,7 +47,7 @@ class NamiGuard {
             return;
         }
 
-        return new NamiUser($cache);
+        return NamiUser::fromPayload($cache);
     }
 
     public function attempt(array $credentials = [], $remember = false) {
@@ -57,7 +57,7 @@ class NamiGuard {
             'credentials' => $credentials
         ];
 
-        $this->setUser(new NamiUser($payload));
+        $this->setUser(NamiUser::fromPayload($payload));
         $key = $this->newCacheKey();
         Cache::forever("namiauth-{$key}", $payload);
         $this->updateSession($key);
diff --git a/src/Backend/FakeBackend.php b/src/Backend/FakeBackend.php
index 325f0ed..903d2e0 100644
--- a/src/Backend/FakeBackend.php
+++ b/src/Backend/FakeBackend.php
@@ -5,7 +5,8 @@ namespace Zoomyboy\LaravelNami\Backend;
 use Illuminate\Http\Client\Response;
 use Illuminate\Support\Facades\Http;
 use GuzzleHttp\Psr7\Response as GuzzleResponse;
-use GuzzleHttp\Cookie\SetCookie;
+use Illuminate\Support\Str;
+use Illuminate\Support\Facades\Cache;
 
 class FakeBackend {
 
@@ -19,10 +20,11 @@ class FakeBackend {
     }
 
     public function addMember(array $member) {
+        $member['mitgliedsNummer'] = $member['id'];
         $this->members->push($member);
     }
 
-    public function cookie($cookie) {
+    public function init($cookie) {
         $this->cookie = $cookie;
         return $this;
     }
@@ -104,9 +106,35 @@ class FakeBackend {
             ]);
         }
 
+        if (Str::contains($url, 'search-multi/result-list')) {
+            $query = parse_url($url)['query'];
+            parse_str($query, $q);
+            $params = json_decode($q['searchedValues'], true);
+            if (array_keys($params) === ['mitgliedsNummber']) {
+                return $this->findNr($params['mitgliedsNummber']);
+            }
+        }
+
         $this->urlNotFoundException($url);
     }
 
+    public function findNr($nr) {
+        $found = $this->members->first(fn($m) => $m['id'] === $nr);
+
+        $found = [
+            'entries_mitgliedsNummer' => $found['mitgliedsNummer'],
+            'entries_vorname' => $found['vorname'],
+            'entries_nachname' => $found['nachname'],
+        ];
+
+        return $this->response([
+            "success" => true,
+            "data" => [$found],
+            "responseType" => "OK",
+            "totalEntries" => 1
+        ]);
+    }
+
     public function post($url, $data) {
         if ($url === 'https://nami.dpsg.de/ica/rest/nami/auth/manual/sessionStartup') {
             if (!data_get($data, 'username') || !data_get($data, 'password')) {
@@ -115,9 +143,7 @@ class FakeBackend {
 
             if ($this->passwords[data_get($data, 'username')] === data_get($data, 'password')) {
                 $this->loggedInAs = data_get($data, 'username');
-                $this->cookie->setCookie(tap(SetCookie::fromString('JSESSIONID=rZMBv1McDAJ-KukQ6BboJBTq.srv-nami06; path=/ica'), function($cookie) {
-                    $cookie->setDomain('nami.dpsg.de');
-                }));
+                $this->cookie->set($data['username'], 'rZMBv1McDAJ-KukQ6BboJBTq.srv-nami06');
                 return $this->response([
                     "statusCode" => 0,
                 ]);
diff --git a/src/Backend/LiveBackend.php b/src/Backend/LiveBackend.php
index e20f196..d3dd727 100644
--- a/src/Backend/LiveBackend.php
+++ b/src/Backend/LiveBackend.php
@@ -3,11 +3,12 @@
 namespace Zoomyboy\LaravelNami\Backend;
 
 use Illuminate\Support\Facades\Http;
+use Zoomyboy\LaravelNami\Cookies\Cookie;
 
 class LiveBackend {
 
-    public static function cookie($cookie) {
-        return Http::withOptions(['cookies' => $cookie]);
+    public static function init($cookie) {
+        return Http::withOptions(['cookies' => $cookie->forBackend()]);
     }
 
 }
diff --git a/src/Cookies/CacheCookie.php b/src/Cookies/CacheCookie.php
new file mode 100644
index 0000000..98f7a43
--- /dev/null
+++ b/src/Cookies/CacheCookie.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Zoomyboy\LaravelNami\Cookies;
+
+use Illuminate\Support\Facades\Cache;
+use GuzzleHttp\Cookie\SetCookie;
+
+class CacheCookie {
+
+    private $store;
+
+    public function __construct() {
+        $this->store = new \GuzzleHttp\Cookie\CookieJar();
+    }
+
+    public function forBackend() {
+        return $this->store;
+        return \GuzzleHttp\Cookie\CookieJar::fromArray(['JSESSIONID' => Cache::get("namicookie-{$mglnr}")], 'nami.dpsg.de');
+    }
+
+    /**
+     * Store the current cookie in the cache
+     */
+    public function store($mglnr) {
+        Cache::forever("namicookie-{$mglnr}", $this->store->getCookieByName('JSESSIONID')->getValue());
+    }
+
+    /**
+     * Set a cookie by string
+     */
+    public function set($mglnr, $cookie) {
+        $this->store->setCookie(tap(SetCookie::fromString('JSESSIONID='.$cookie.'; path=/ica'), function($cookie) {
+            $cookie->setDomain('nami.dpsg.de');
+        }));
+    }
+
+    /**
+     * Get the stored cookie from the cache
+     */
+    public function resolve($mglnr) {
+        $cookie = Cache::get("namicookie-{$mglnr}");
+        if ($cookie === null) {
+            return false;
+        }
+
+        $this->set($mglnr, $cookie);
+        return true;
+    }
+
+}
diff --git a/src/Cookies/Cookie.php b/src/Cookies/Cookie.php
new file mode 100644
index 0000000..a139233
--- /dev/null
+++ b/src/Cookies/Cookie.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Zoomyboy\LaravelNami\Cookies;
+
+use Illuminate\Support\Facades\Facade;
+
+class Cookie extends Facade {
+
+    public static function getFacadeAccessor() {
+        return 'nami.cookie';
+    }
+
+}
diff --git a/src/Cookies/FakeCookie.php b/src/Cookies/FakeCookie.php
new file mode 100644
index 0000000..fe192c7
--- /dev/null
+++ b/src/Cookies/FakeCookie.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Zoomyboy\LaravelNami\Cookies;
+
+class FakeCookie {
+
+    private $loggedIn = false;
+
+    public function forBackend() {
+        return \GuzzleHttp\Cookie\CookieJar::fromArray([], 'nami.dpsg.de');
+    }
+
+    public function store($cookie) {
+        $this->loggedIn = true;
+    }
+
+    public function resolve($mglnr) {
+        return $this->loggedIn;        
+    }
+
+}
diff --git a/src/Member.php b/src/Member.php
index d20eb4d..f1853f6 100644
--- a/src/Member.php
+++ b/src/Member.php
@@ -46,6 +46,7 @@ class Member extends Model {
         'regionId' => 'region_id',
         'landId' => 'country_id',
         'beitragsartId' => 'fee_id',
+        'version' => 'version',
     ];
 
     protected $casts = [];
@@ -73,6 +74,16 @@ class Member extends Model {
             'vorname' => $this->firstname,
             'nachname' => $this->lastname,
             'spitzname' => $this->nickname ?: '',
+            'strasse' => $this->address,
+            'plz' => $this->zip,
+            'ort' => $this->location,
+            'eintrittsdatum' => $this->joined_at.'T00:00:00',
+            'version' => $this->version,
+            'beitragsartId' => $this->fee_id,
+            'regionId' => $this->region_id,
+            'landId' => $this->country_id,
+            'staatsangehoerigkeitId' => $this->nationality_id,
+            'geburtsDatum' => $this->birthday,
             'geschlechtId' => $this->gender_id ?: Gender::getNullValue(),
             'gruppierungId' => $this->group_id,
             'id' => $this->id,
diff --git a/src/NamiException.php b/src/NamiException.php
index 68a6aaf..2d2517f 100644
--- a/src/NamiException.php
+++ b/src/NamiException.php
@@ -7,6 +7,8 @@ use Illuminate\Support\Str;
 class NamiException extends \Exception {
 
     private $data;
+    public $response;
+    public $request;
 
     public function setData($data) {
         $this->data = $data;
@@ -15,4 +17,16 @@ class NamiException extends \Exception {
     public function getData() {
         return $this->data;
     }
+
+    public function request($request) {
+        $this->request = $request;
+
+        return $this;
+    }
+
+    public function response($response) {
+        $this->response = $response;
+
+        return $this;
+    }
 }
diff --git a/src/NamiUser.php b/src/NamiUser.php
index 2f2eda8..e3e1bb8 100644
--- a/src/NamiUser.php
+++ b/src/NamiUser.php
@@ -4,15 +4,25 @@ namespace Zoomyboy\LaravelNami;
 
 use Illuminate\Contracts\Auth\Authenticatable;
 use Illuminate\Database\Eloquent\Model;
+use Cache;
 
-class NamiUser extends Model implements Authenticatable {
+class NamiUser implements Authenticatable {
 
     public $mglnr;
     public $password;
 
-    public function __construct($payload) {
-        $this->mglnr = data_get($payload, 'credentials.mglnr');
-        $this->password = data_get($payload, 'credentials.password');
+    public function __construct($attributes) {
+        $this->mglnr = $attributes['mglnr'];
+        $this->password = $attributes['password'];
+    }
+
+    public static function fromPayload($payload) {
+        $user = new static([
+            'mglnr' => data_get($payload, 'credentials.mglnr'),
+            'password' => data_get($payload, 'credentials.password'),
+        ]);
+
+        return $user;
     }
 
     public function api() {
@@ -27,12 +37,20 @@ class NamiUser extends Model implements Authenticatable {
         return 'mglnr';
     }
 
-    public function getFirstnameAttribute() {
-        return $this->api()->findNr($this->mglnr)->vorname;
+    public function getMglnr() {
+        return $this->mglnr;
     }
 
-    public function getLastnameAttribute() {
-        return $this->api()->findNr($this->mglnr)->nachname;
+    public function getFirstname() {
+        return Cache::remember('member-'.$this->mglnr.'-firstname', 3600, function() {
+            return $this->api()->findNr($this->mglnr)->firstname;
+        });
+    }
+
+    public function getLastname() {
+        return Cache::remember('member-'.$this->mglnr.'-lastname', 3600, function() {
+            return $this->api()->findNr($this->mglnr)->lastname;
+        });
     }
 
     public function getAuthIdentifier() {
@@ -52,4 +70,5 @@ class NamiUser extends Model implements Authenticatable {
     public function getRememberTokenName() {
         return null;
     }
+
 }
diff --git a/src/Providers/NamiServiceProvider.php b/src/Providers/NamiServiceProvider.php
index 622e56b..eab48bc 100644
--- a/src/Providers/NamiServiceProvider.php
+++ b/src/Providers/NamiServiceProvider.php
@@ -7,6 +7,7 @@ use GuzzleHttp\Client as GuzzleClient;
 use Illuminate\Support\ServiceProvider;
 use Zoomyboy\LaravelNami\Backend\LiveBackend;
 use Zoomyboy\LaravelNami\Api;
+use Zoomyboy\LaravelNami\Cookies\CacheCookie;
 use Zoomyboy\LaravelNami\Authentication\NamiGuard;
 
 class NamiServiceProvider extends ServiceProvider
@@ -20,10 +21,13 @@ class NamiServiceProvider extends ServiceProvider
 
     public function register() {
         $this->app->singleton('nami.api', function() {
-            return new Api();
+            return new Api($this->app['nami.cookie']);
         });
         $this->app->bind('nami.backend', function() {
             return new LiveBackend();
         });
+        $this->app->singleton('nami.cookie', function() {
+            return new CacheCookie();
+        });
     }
 }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 73d4009..c4696d2 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -6,6 +6,8 @@ use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Http;
 use Zoomyboy\LaravelNami\Tests\Stub\Member;
 use Zoomyboy\LaravelNami\Providers\NamiServiceProvider;
+use Zoomyboy\LaravelNami\Cookies\Cookie;
+use Zoomyboy\LaravelNami\Cookies\FakeCookie;
 
 class TestCase extends \Orchestra\Testbench\TestCase
 {
@@ -13,6 +15,12 @@ class TestCase extends \Orchestra\Testbench\TestCase
     public $bruteJson = '{"servicePrefix":null,"methodCall":null,"response":null,"statusCode":3000,"statusMessage":"Die höchste Anzahl von Login-Versuchen wurde erreicht. Ihr Konto ist für 15 Minuten gesperrt worden. Nach Ablauf dieser Zeitspanne wird ihr Zugang wieder freigegeben.","apiSessionName":"JSESSIONID","apiSessionToken":"tGlSpMMij9ruHfeiUYjO7SD2","minorNumber":0,"majorNumber":0}';
     public $wrongCredentialsJson = '{"servicePrefix":null,"methodCall":null,"response":null,"statusCode":3000,"statusMessage":"Benutzer nicht gefunden oder Passwort falsch.","apiSessionName":"JSESSIONID","apiSessionToken":"v7lrjgPBbXInJR57qJzVIJ05","minorNumber":0,"majorNumber":0}';
 
+    public function setUp(): void {
+        parent::setUp();
+
+        Cookie::swap(new FakeCookie());
+    }
+
     protected function getPackageProviders($app)
     {
         return [ NamiServiceProvider::class ];
diff --git a/tests/Unit/PushMemberTest.php b/tests/Unit/PushMemberTest.php
index 6737ef8..19f03df 100644
--- a/tests/Unit/PushMemberTest.php
+++ b/tests/Unit/PushMemberTest.php
@@ -24,6 +24,8 @@ class PushMemberTest extends TestCase
             'group_id' => 103,
             'nickname' => 'spitz1',
             'gender_id' => 17,
+            'joined_at' => '2021-02-02T00:00:00',
+            'birthday' => '2021-02-02',
             'id' => 16,
         ], [
             'firstname' => 'Jane',
@@ -31,6 +33,8 @@ class PushMemberTest extends TestCase
             'nickname' => null,
             'group_id' => 103,
             'gender_id' => null,
+            'joined_at' => '2021-02-02T00:00:00',
+            'birthday' => '2021-02-02',
             'id' => 17,
         ]
     ];