diff --git a/src/new/var/plugins/System/PSC/Mollie/Api/Base.php b/src/new/var/plugins/System/PSC/Mollie/Api/Base.php
new file mode 100644
index 000000000..4216bed3e
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Api/Base.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace Plugin\System\PSC\Mollie\Api;
+
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class Base
+{
+    protected string $baseUrl = 'https://api.mollie.com';
+
+    protected \PSC\Shop\EntityBundle\Document\Shop $shop;
+
+    /**
+     * @var HttpClientInterface
+     */
+    protected HttpClientInterface $client;
+
+    protected string $apiKey = '';
+
+    public function __construct(HttpClientInterface $client)
+    {
+        $this->client = $client;
+    }
+
+    public function postV2(string $url, array $data): array
+    {
+        $response = $this->client->request('POST', $this->baseUrl . $url, [
+            'headers' => $this->buildHeaders(),
+            'json' => $data,
+        ]);
+
+        return $response->toArray();
+    }
+
+    public function getV2(string $url): array
+    {
+        $response = $this->client->request('GET', $this->baseUrl . $url, [
+            'headers' => $this->buildHeaders(),
+        ]);
+
+        return $response->toArray();
+    }
+
+    protected function buildHeaders(): array
+    {
+        return [
+            'Accept' => 'application/json',
+            'Content-Type' => 'application/json',
+            'Authorization' => 'Bearer ' . $this->apiKey,
+        ];
+    }
+
+    public function setShop(\PSC\Shop\EntityBundle\Document\Shop $shop): void
+    {
+        $this->shop = $shop;
+    }
+
+    public function setApiKey(string $apiKey): void
+    {
+        $this->apiKey = $apiKey;
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Api/CreatePayment.php b/src/new/var/plugins/System/PSC/Mollie/Api/CreatePayment.php
new file mode 100644
index 000000000..4c5483bfe
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Api/CreatePayment.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Plugin\System\PSC\Mollie\Api;
+
+use PSC\Shop\EntityBundle\Entity\ContactAddress;
+
+class CreatePayment extends Base
+{
+    protected ?ContactAddress $invoiceAddress = null;
+    protected string $description = '';
+    protected string $redirectUrl = '';
+    protected string $webhookUrl = '';
+    protected ?string $orderReference = null;
+
+    public function call(): array
+    {
+        return $this->postV2('/v2/payments', $this->buildData());
+    }
+
+    protected function buildData(): array
+    {
+        $basket = $_SESSION['Basket'];
+
+        $amount = round($basket['brutto'] - round($basket['GutscheinAbzug'], 2), 2);
+
+        $data = [
+            'amount' => [
+                'currency' => 'EUR',
+                'value' => number_format($amount, 2, '.', ''),
+            ],
+            'description' => $this->description !== '' ? $this->description : 'Bestellung',
+            'redirectUrl' => $this->redirectUrl,
+        ];
+
+        if ($this->webhookUrl !== '') {
+            $data['webhookUrl'] = $this->webhookUrl;
+        }
+
+        if ($this->orderReference !== null) {
+            $data['metadata'] = [
+                'order_reference' => $this->orderReference,
+            ];
+        }
+
+        if ($this->invoiceAddress !== null) {
+            $data['billingAddress'] = [
+                'givenName' => $this->invoiceAddress->getFirstname(),
+                'familyName' => $this->invoiceAddress->getLastname(),
+                'email' => $this->invoiceAddress->getEmail(),
+                'streetAndNumber' => trim($this->invoiceAddress->getStreet() . ' ' . $this->invoiceAddress->getHouseNumber()),
+                'postalCode' => $this->invoiceAddress->getZip(),
+                'city' => $this->invoiceAddress->getCity(),
+                'country' => $this->invoiceAddress->getCountry(),
+            ];
+        }
+
+        return $data;
+    }
+
+    public function setInvoiceAddress(ContactAddress $invoiceAddress): void
+    {
+        $this->invoiceAddress = $invoiceAddress;
+    }
+
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    public function setRedirectUrl(string $redirectUrl): void
+    {
+        $this->redirectUrl = $redirectUrl;
+    }
+
+    public function setWebhookUrl(string $webhookUrl): void
+    {
+        $this->webhookUrl = $webhookUrl;
+    }
+
+    public function setOrderReference(?string $orderReference): void
+    {
+        $this->orderReference = $orderReference;
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Api/GetPayment.php b/src/new/var/plugins/System/PSC/Mollie/Api/GetPayment.php
new file mode 100644
index 000000000..49c9cf775
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Api/GetPayment.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Plugin\System\PSC\Mollie\Api;
+
+class GetPayment extends Base
+{
+    protected string $paymentId = '';
+
+    public function call(): array
+    {
+        return $this->getV2('/v2/payments/' . urlencode($this->paymentId));
+    }
+
+    public function setPaymentId(string $paymentId): void
+    {
+        $this->paymentId = $paymentId;
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Document/Mollie.php b/src/new/var/plugins/System/PSC/Mollie/Document/Mollie.php
new file mode 100644
index 000000000..f0d204b6c
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Document/Mollie.php
@@ -0,0 +1,65 @@
+<?php
+namespace Plugin\System\PSC\Mollie\Document;
+
+use Doctrine\ODM\MongoDB\Mapping\Annotations\EmbeddedDocument;
+use Doctrine\ODM\MongoDB\Mapping\Annotations\Field;
+
+#[EmbeddedDocument]
+class Mollie
+{
+    /**
+     * @var string $apiKey
+     */
+    #[Field(type: 'string')]
+    protected $apiKey;
+
+    /**
+     * @var string $testApiKey
+     */
+    #[Field(type: 'string')]
+    protected $testApiKey;
+
+    /**
+     * @var boolean $production
+     */
+    #[Field(type: 'bool')]
+    protected $production;
+
+    public function getApiKey(): string
+    {
+        return (string)$this->apiKey;
+    }
+
+    public function setApiKey(?string $apiKey): void
+    {
+        $this->apiKey = $apiKey;
+    }
+
+    public function getTestApiKey(): string
+    {
+        return (string)$this->testApiKey;
+    }
+
+    public function setTestApiKey(?string $testApiKey): void
+    {
+        $this->testApiKey = $testApiKey;
+    }
+
+    public function isProduction(): bool
+    {
+        return (bool)$this->production;
+    }
+
+    public function setProduction(bool $production): void
+    {
+        $this->production = $production;
+    }
+
+    /**
+     * Returns the API key matching the configured mode.
+     */
+    public function getActiveApiKey(): string
+    {
+        return $this->isProduction() ? $this->getApiKey() : $this->getTestApiKey();
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Payment/Provider.php b/src/new/var/plugins/System/PSC/Mollie/Payment/Provider.php
new file mode 100644
index 000000000..2a60b6311
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Payment/Provider.php
@@ -0,0 +1,219 @@
+<?php
+
+namespace Plugin\System\PSC\Mollie\Payment;
+
+use Doctrine\ODM\MongoDB\DocumentManager;
+use Doctrine\ORM\EntityManagerInterface;
+use Plugin\System\PSC\Mollie\Api\CreatePayment;
+use Plugin\System\PSC\Mollie\Api\GetPayment;
+use Plugin\System\PSC\Mollie\Document\Mollie;
+use PSC\Shop\EntityBundle\Entity\Contact;
+use PSC\Shop\EntityBundle\Entity\ContactAddress;
+use PSC\Shop\PaymentBundle\Document\Gatewaysettings;
+use PSC\Shop\PaymentBundle\Provider\PaymentProvider;
+use PSC\Shop\QueueBundle\Event\Order\Payed;
+use PSC\Shop\QueueBundle\Service\Event\Manager;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\Form;
+use Symfony\Component\Form\FormBuilder;
+use Symfony\Component\Form\FormFactoryInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class Provider extends PaymentProvider
+{
+    /** @var Form */
+    private $_formFactory = null;
+    private $_entityManager = null;
+    private $_doctrine_mongodb = null;
+    private \PSC\System\SettingsBundle\Service\Shop $shopService;
+    private Manager $eventManager;
+    private CreatePayment $createPaymentService;
+    private GetPayment $getPaymentService;
+
+    public function __construct(
+        CreatePayment $createPayment,
+        GetPayment $getPayment,
+        Manager $eventManager,
+        FormFactoryInterface $formFactory,
+        EntityManagerInterface $entityManager,
+        DocumentManager $doctrine_mongodb,
+        \PSC\System\SettingsBundle\Service\Shop $shopService,
+    ) {
+        $this->_formFactory = $formFactory;
+        $this->_entityManager = $entityManager;
+        $this->_doctrine_mongodb = $doctrine_mongodb;
+        $this->shopService = $shopService;
+        $this->eventManager = $eventManager;
+        $this->createPaymentService = $createPayment;
+        $this->getPaymentService = $getPayment;
+    }
+
+    public function getName()
+    {
+        return 'Mollie';
+    }
+
+    public function getType()
+    {
+        return 'mollie';
+    }
+
+    public function saveDocument(Gatewaysettings $settings, Form $form)
+    {
+        $doc = new Mollie();
+
+        $doc->setApiKey($form->get('mollie')->get('apiKey')->getData());
+        $doc->setTestApiKey($form->get('mollie')->get('testApiKey')->getData());
+        $doc->setProduction((bool) $form->get('mollie')->get('production')->getData());
+
+        $settings->setGatewayDocument($doc);
+
+        return $settings;
+    }
+
+    public function getSubForm(Gatewaysettings $settings, FormBuilder $builder)
+    {
+        if (!$settings->getGatewayDocument()) {
+            $settings->setGatewayDocument(new Mollie());
+        }
+
+        $builder->add('production', CheckboxType::class, [
+            'label' => 'Production?',
+            'required' => false,
+        ])->add('apiKey', TextType::class, [
+            'label' => 'Live API-Key',
+            'required' => false,
+        ])->add('testApiKey', TextType::class, ['label' => 'Test API-Key', 'required' => false]);
+
+        $builder->get('production')->setData($settings->getGatewayDocument()->isProduction());
+        $builder->get('apiKey')->setData($settings->getGatewayDocument()->getApiKey());
+        $builder->get('testApiKey')->setData($settings->getGatewayDocument()->getTestApiKey());
+
+        return $builder;
+    }
+
+    public function getTemplate()
+    {
+        return '@PluginSystemPSCMollie/settings.html.twig';
+    }
+
+    public function handlePayment(Request $request)
+    {
+        $invoice = $request->get('invoiceAddress');
+
+        /** @var ContactAddress $invoiceAddress */
+        $invoiceAddress = $this->_entityManager->getRepository(ContactAddress::class)->findOneBy(['uuid' => $invoice]);
+
+        /** @var Mollie $settings */
+        $settings = $this->getGatewaySettings()->getGatewayDocument();
+
+        $this->createPaymentService->setShop($this->shopDoc);
+        $this->createPaymentService->setApiKey($settings->getActiveApiKey());
+        $this->createPaymentService->setInvoiceAddress($invoiceAddress);
+        $this->createPaymentService->setRedirectUrl(
+            $this->getHost() . '/basket/finish?Data=finish&token=' . $request->get('hash') . '&paymentGateway=mollie',
+        );
+
+        if ($this->isPubliclyReachable($this->getHost())) {
+            $this->createPaymentService->setWebhookUrl($this->getHost() . '/payment/notify/mollie');
+        }
+
+        try {
+            $response = $this->createPaymentService->call();
+        } catch (\Exception $e) {
+            die($e->getMessage());
+            return new RedirectResponse($this->getHost() . '/basket/finish?error=Mollie');
+        }
+
+        if (!isset($response['_links']['checkout']['href'])) {
+            return new RedirectResponse($this->getHost() . '/basket/finish?error=Mollie');
+        }
+
+        return new RedirectResponse($response['_links']['checkout']['href']);
+    }
+
+    public function handleNotify(Request $request)
+    {
+        $paymentId = $request->request->get('id');
+
+        if (!$paymentId) {
+            return new Response('', 200);
+        }
+
+        /** @var Mollie $settings */
+        $settings = $this->getGatewaySettings()->getGatewayDocument();
+
+        $this->getPaymentService->setApiKey($settings->getActiveApiKey());
+        $this->getPaymentService->setPaymentId($paymentId);
+
+        try {
+            $payment = $this->getPaymentService->call();
+        } catch (\Exception $e) {
+            return new Response('', 200);
+        }
+
+        if (!isset($payment['status']) || $payment['status'] !== 'paid') {
+            return new Response('', 200);
+        }
+
+        /** @var \PSC\Shop\EntityBundle\Document\Order $orderDoc */
+        $orderDoc = $this->_doctrine_mongodb
+            ->getRepository('PSC\Shop\EntityBundle\Document\Order')
+            ->findOneBy(['paymentRef' => (string) $paymentId]);
+
+        if (!$orderDoc) {
+            return new Response('', 200);
+        }
+
+        /** @var \PSC\Shop\EntityBundle\Entity\Order $order */
+        $order = $this->_entityManager
+            ->getRepository('PSC\Shop\EntityBundle\Entity\Order')
+            ->findOneBy(['uid' => $orderDoc->getUid()]);
+
+        $order->setStatus(145);
+        $this->_entityManager->persist($order);
+        $this->_entityManager->flush();
+
+        $notify = new Payed();
+        $notify->setShop($this->getShopEntity()->getUID());
+        $notify->setOrder($order->getUuid());
+
+        $this->eventManager->addJob($notify);
+
+        return new Response('', 200);
+    }
+
+    public function doPayment(Request $request) {}
+
+    /**
+     * Mollie verlangt eine öffentlich erreichbare Webhook-URL.
+     * Auf lokalen Hosts (localhost, *.local, *.test, private IPs) wird der
+     * Webhook deshalb übersprungen, damit lokale Tests möglich sind.
+     */
+    private function isPubliclyReachable(string $host): bool
+    {
+        $parsed = parse_url($host, PHP_URL_HOST) ?: $host;
+        $parsed = strtolower($parsed);
+
+        if ($parsed === 'localhost' || $parsed === '127.0.0.1' || $parsed === '::1') {
+            return false;
+        }
+
+        if (str_ends_with($parsed, '.local') || str_ends_with($parsed, '.test') || str_ends_with($parsed, '.localhost')) {
+            return false;
+        }
+
+        if (filter_var($parsed, FILTER_VALIDATE_IP)) {
+            return (bool) filter_var(
+                $parsed,
+                FILTER_VALIDATE_IP,
+                FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE,
+            );
+        }
+
+        return true;
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Plugin.php b/src/new/var/plugins/System/PSC/Mollie/Plugin.php
new file mode 100644
index 000000000..acc9abfc4
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Plugin.php
@@ -0,0 +1,24 @@
+<?php
+namespace Plugin\System\PSC\Mollie;
+
+use PSC\System\PluginBundle\Plugin\Base;
+
+class Plugin extends Base implements \PSC\System\PluginBundle\Interfaces\Plugin {
+
+    protected $name = 'Mollie Payment';
+
+    public function getType()
+    {
+        return Plugin::Payment;
+    }
+
+    public function getDescription()
+    {
+        return 'Stellt Unterstützung für Mollie bereit';
+    }
+
+    public function getVersion()
+    {
+        return 1;
+    }
+}
diff --git a/src/new/var/plugins/System/PSC/Mollie/Resources/config/services.yml b/src/new/var/plugins/System/PSC/Mollie/Resources/config/services.yml
new file mode 100644
index 000000000..633ea90ea
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Resources/config/services.yml
@@ -0,0 +1,11 @@
+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+
+  Plugin\System\PSC\Mollie\:
+    resource: '../../*/*'
+
+  Plugin\System\PSC\Mollie\Payment\Provider:
+    tags:
+      -  { name: paymentProvider }
diff --git a/src/new/var/plugins/System/PSC/Mollie/Resources/views/settings.html.twig b/src/new/var/plugins/System/PSC/Mollie/Resources/views/settings.html.twig
new file mode 100644
index 000000000..f46f39656
--- /dev/null
+++ b/src/new/var/plugins/System/PSC/Mollie/Resources/views/settings.html.twig
@@ -0,0 +1,21 @@
+
+    <div class="form-group row">
+        <label class="col-md-4 form-control-label">{{ form_label(form.mollie.production) }}</label>
+        <div class="col-md-8">
+            {{ form_widget(form.mollie.production, {attr: {'class': 'form-control'}}) }}
+        </div>
+    </div>
+
+    <div class="form-group row">
+        <label class="col-md-4 form-control-label">{{ form_label(form.mollie.apiKey) }}</label>
+        <div class="col-md-8">
+            {{ form_widget(form.mollie.apiKey, {attr: {'class': 'form-control'}}) }}
+        </div>
+    </div>
+
+    <div class="form-group row">
+        <label class="col-md-4 form-control-label">{{ form_label(form.mollie.testApiKey) }}</label>
+        <div class="col-md-8">
+            {{ form_widget(form.mollie.testApiKey, {attr: {'class': 'form-control'}}) }}
+        </div>
+    </div>
diff --git a/src/new/version.yaml b/src/new/version.yaml
index 43e00a291..7c5afd02b 100755
--- a/src/new/version.yaml
+++ b/src/new/version.yaml
@@ -6,6 +6,7 @@ changelog:
   - version: 2.3.5
     datum: 01.04.2026
     changes:
+      - "Mollie Zahlungsanbieter"
       - "Aktionen der An und Von Name wird jetzt ans Mailsystem übergeben"
       - text: "CMS ContentBuilder Plugin kann aktiviert. (Custom Plugin und das Storefront Template muss die Ausgabe unterstützen)"
         images: