diff --git a/composer.json b/composer.json
index b468d0d..37e0100 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "symfony/routing": "If you want to use SelfAwareProfileRequestHandler"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.6.13",
+    "phpunit/phpunit": "^10.5.20",
     "phpstan/phpstan": "^1.10.41",
     "friendsofphp/php-cs-fixer": "*",
     "php-parallel-lint/php-parallel-lint": "*",
diff --git a/src/CXml/Model/Response/StatusResponse.php b/src/CXml/Model/Response/StatusResponse.php
deleted file mode 100644
index eab11c8..0000000
--- a/src/CXml/Model/Response/StatusResponse.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace CXml\Model\Response;
-
-class StatusResponse implements ResponsePayloadInterface
-{
-}
diff --git a/src/CXml/Processor/Processor.php b/src/CXml/Processor/Processor.php
index 81d11fd..a3d57f0 100644
--- a/src/CXml/Processor/Processor.php
+++ b/src/CXml/Processor/Processor.php
@@ -34,6 +34,7 @@ class Processor
         CXmlNotImplementedException::class => 450,
     ];
 
+    // TODO create enum for this?
     private static array $exceptionCodeMapping = [
         // cxml
         450 => 'Not Implemented',
diff --git a/tests/CXmlTest/Handling/EndpointTest.php b/tests/CXmlTest/Handling/EndpointTest.php
new file mode 100644
index 0000000..0d5c085
--- /dev/null
+++ b/tests/CXmlTest/Handling/EndpointTest.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace CXmlTest\Handling;
+
+use CXml\Authentication\SimpleSharedSecretAuthenticator;
+use CXml\Builder;
+use CXml\Context;
+use CXml\Credential\Registry;
+use CXml\Endpoint;
+use CXml\Handler\HandlerInterface;
+use CXml\Handler\HandlerRegistry;
+use CXml\Model\Credential;
+use CXml\Model\PayloadInterface;
+use CXml\Model\Response\ResponsePayloadInterface;
+use CXml\Processor\HeaderProcessor;
+use CXml\Processor\Processor;
+use CXml\Serializer;
+use CXml\Validation\DtdValidator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+
+class EndpointTest extends TestCase
+{
+
+    public static function getEndpointData(): iterable
+    {
+        yield [
+            self::loadFixture('quote_request.xml'),
+            null,
+        ];
+
+        // TODO add more cases
+    }
+
+    private static function loadFixture(string $filename): ?string
+    {
+        return file_get_contents(__DIR__ . '/fixtures/' . $filename);
+    }
+
+    #[DataProvider('getEndpointData')]
+    public function testEndpoint(string $requestCxml, ?string $expectedResponseCxml): void
+    {
+        $serializer = Serializer::create();
+        $messageValidator = new DtdValidator(__DIR__ . '/../../metadata/cxml/dtd/1.2.050/');
+
+        $credentialRepository = new Registry();
+        $credentialRepository->registerCredential(
+            new Credential(
+                'NetworkId',
+                'AN00000123'
+            )
+        );
+        $credentialRepository->registerCredential(
+            new Credential(
+                'NetworkId',
+                'AN00000456'
+            )
+        );
+
+        $authenticator = new SimpleSharedSecretAuthenticator('Secret!123');
+
+        $requestProcessor = new HeaderProcessor(
+            $credentialRepository,
+            $authenticator
+        );
+
+        $handlerRegistry = new HandlerRegistry();
+        $handlerRegistry->register(new class() implements HandlerInterface {
+            public static function getRequestName(): string
+            {
+                return 'QuoteMessage';
+            }
+
+            public function handle(PayloadInterface $payload, Context $context): ?ResponsePayloadInterface
+            {
+                return null;
+            }
+        });
+
+
+        $builder = Builder::create();
+
+        $processor = new Processor(
+            $requestProcessor,
+            $handlerRegistry,
+            $builder
+        );
+
+        $endpoint = new Endpoint(
+            $serializer,
+            $messageValidator,
+            $processor
+        );
+
+        $actualResponseCxml = $endpoint->parseAndProcessStringAsCXml($requestCxml);
+        $this->assertEquals($expectedResponseCxml, $actualResponseCxml);
+    }
+}
diff --git a/tests/CXmlTest/Handling/fixtures/quote_request.xml b/tests/CXmlTest/Handling/fixtures/quote_request.xml
new file mode 100644
index 0000000..0e8e9b8
--- /dev/null
+++ b/tests/CXmlTest/Handling/fixtures/quote_request.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE cXML SYSTEM "http://xml.cxml.org/schemas/cXML/1.2.060/cXML.dtd">
+<cXML payloadID="0c30050@supplierorg.com" timestamp="2021-01-08T23:00:06-08:00" xml:lang="en-US">
+    <Header>
+        <From>
+            <Credential domain="NetworkId">
+                <Identity>AN00000123</Identity>
+            </Credential>
+        </From>
+        <To>
+            <Credential domain="NetworkId">
+                <Identity>AN00000456</Identity>
+            </Credential>
+        </To>
+        <Sender>
+            <Credential domain="NetworkId">
+                <Identity>AN00000123</Identity>
+                <SharedSecret>Secret!123</SharedSecret>
+            </Credential>
+            <UserAgent>Suppliers Super Order Processor</UserAgent>
+        </Sender>
+    </Header>
+    <Message>
+        <QuoteMessage>
+            <QuoteMessageHeader type="accept" currency="USD" quoteDate="2021-01-08T23:00:06-08:00" quoteID="quoteId" xml:lang="de">
+                <OrganizationID>
+                    <Credential domain="domain">
+                        <Identity>identity</Identity>
+                    </Credential>
+                </OrganizationID>
+
+                <Total>
+                    <Money currency="USD">100.00</Money>
+                </Total>
+
+                <ShipTo>
+                    <Address>
+                        <Name xml:lang="en">Acme Inc.</Name>
+                        <PostalAddress>
+                            <DeliverTo>Acme Inc.</DeliverTo>
+                            <DeliverTo>Joe Smith</DeliverTo>
+                            <Street>123 Anystreet</Street>
+                            <City>Sunnyvale</City>
+                            <State>CA</State>
+                            <PostalCode>90489</PostalCode>
+                            <Country isoCountryCode="US">United States</Country>
+                        </PostalAddress>
+                        <Phone name="company">
+                            <TelephoneNumber>
+                                <CountryCode isoCountryCode="US">1</CountryCode>
+                                <AreaOrCityCode>800</AreaOrCityCode>
+                                <Number>1234567</Number>
+                            </TelephoneNumber>
+                        </Phone>
+                    </Address>
+                </ShipTo>
+
+                <Contact>
+                    <Name xml:lang="en">Joe Smith</Name>
+                    <Email>joe.smith@siemens.com</Email>
+                    <IdReference identifier="123456" domain="GUID" />
+                </Contact>
+
+                <Comments>This is a comment</Comments>
+                <Extrinsic name="expiry_date">2023-01-08T23:00:06-08:00</Extrinsic>
+            </QuoteMessageHeader>
+        </QuoteMessage>
+    </Message>
+</cXML>
\ No newline at end of file