diff --git a/src/PhpPact/Consumer/Driver/Interaction/AbstractDriver.php b/src/PhpPact/Consumer/Driver/Interaction/AbstractDriver.php
index 887e9c78..105e413b 100644
--- a/src/PhpPact/Consumer/Driver/Interaction/AbstractDriver.php
+++ b/src/PhpPact/Consumer/Driver/Interaction/AbstractDriver.php
@@ -3,14 +3,14 @@
 namespace PhpPact\Consumer\Driver\Interaction;
 
 use PhpPact\Consumer\Driver\Pact\PactDriverInterface;
-use PhpPact\FFI\ProxyInterface;
+use PhpPact\FFI\ClientInterface;
 
 abstract class AbstractDriver implements DriverInterface
 {
     protected int $id;
 
     public function __construct(
-        protected ProxyInterface $proxy,
+        protected ClientInterface $client,
         protected PactDriverInterface $pactDriver
     ) {
     }
diff --git a/src/PhpPact/Consumer/Driver/Interaction/InteractionDriver.php b/src/PhpPact/Consumer/Driver/Interaction/InteractionDriver.php
index 6b4692de..66279746 100644
--- a/src/PhpPact/Consumer/Driver/Interaction/InteractionDriver.php
+++ b/src/PhpPact/Consumer/Driver/Interaction/InteractionDriver.php
@@ -11,12 +11,12 @@ class InteractionDriver extends AbstractDriver implements InteractionDriverInter
 
     public function newInteraction(string $description): void
     {
-        $this->id = $this->proxy->call('pactffi_new_interaction', $this->pactDriver->getId(), $description);
+        $this->id = $this->client->call('pactffi_new_interaction', $this->pactDriver->getId(), $description);
     }
 
     public function uponReceiving(string $description): void
     {
-        $this->proxy->call('pactffi_upon_receiving', $this->id, $description);
+        $this->client->call('pactffi_upon_receiving', $this->id, $description);
     }
 
     public function withBody(bool $isRequest, ?string $contentType = null, ?string $body = null): void
@@ -24,7 +24,7 @@ public function withBody(bool $isRequest, ?string $contentType = null, ?string $
         if (is_null($body)) {
             return;
         }
-        $success = $this->proxy->call('pactffi_with_body', $this->id, $this->getPart($isRequest), $contentType, $body);
+        $success = $this->client->call('pactffi_with_body', $this->id, $this->getPart($isRequest), $contentType, $body);
         if (!$success) {
             throw new InteractionBodyNotAddedException();
         }
@@ -33,9 +33,9 @@ public function withBody(bool $isRequest, ?string $contentType = null, ?string $
     public function given(array $providerStates): void
     {
         foreach ($providerStates as $providerState) {
-            $this->proxy->call('pactffi_given', $this->id, $providerState->getName());
+            $this->client->call('pactffi_given', $this->id, $providerState->getName());
             foreach ($providerState->getParams() as $key => $value) {
-                $this->proxy->call('pactffi_given_with_param', $this->id, $providerState->getName(), (string) $key, (string) $value);
+                $this->client->call('pactffi_given_with_param', $this->id, $providerState->getName(), (string) $key, (string) $value);
             }
         }
     }
@@ -44,7 +44,7 @@ public function withHeaders(bool $isRequest, array $headers): void
     {
         foreach ($headers as $header => $values) {
             foreach (array_values($values) as $index => $value) {
-                $this->proxy->call('pactffi_with_header_v2', $this->id, $this->getPart($isRequest), (string) $header, (int) $index, (string) $value);
+                $this->client->call('pactffi_with_header_v2', $this->id, $this->getPart($isRequest), (string) $header, (int) $index, (string) $value);
             }
         }
     }
@@ -53,23 +53,23 @@ public function withQueryParameters(array $queryParams): void
     {
         foreach ($queryParams as $key => $values) {
             foreach (array_values($values) as $index => $value) {
-                $this->proxy->call('pactffi_with_query_parameter_v2', $this->id, (string) $key, (int) $index, (string) $value);
+                $this->client->call('pactffi_with_query_parameter_v2', $this->id, (string) $key, (int) $index, (string) $value);
             }
         }
     }
 
     public function withRequest(string $method, string $path): void
     {
-        $this->proxy->call('pactffi_with_request', $this->id, $method, $path);
+        $this->client->call('pactffi_with_request', $this->id, $method, $path);
     }
 
     public function withResponse(int $status): void
     {
-        $this->proxy->call('pactffi_response_status', $this->id, $status);
+        $this->client->call('pactffi_response_status', $this->id, $status);
     }
 
     private function getPart(bool $isRequest): int
     {
-        return $this->proxy->get($isRequest ? self::REQUEST : self::RESPONSE);
+        return $this->client->get($isRequest ? self::REQUEST : self::RESPONSE);
     }
 }
diff --git a/src/PhpPact/Consumer/Driver/Pact/PactDriver.php b/src/PhpPact/Consumer/Driver/Pact/PactDriver.php
index 02197081..eda28ab6 100644
--- a/src/PhpPact/Consumer/Driver/Pact/PactDriver.php
+++ b/src/PhpPact/Consumer/Driver/Pact/PactDriver.php
@@ -5,14 +5,14 @@
 use Composer\Semver\Comparator;
 use PhpPact\Config\PactConfigInterface;
 use PhpPact\Consumer\Exception\PactFileNotWroteException;
-use PhpPact\FFI\ProxyInterface;
+use PhpPact\FFI\ClientInterface;
 
 class PactDriver implements PactDriverInterface
 {
     protected int $id;
 
     public function __construct(
-        private ProxyInterface $proxy,
+        private ClientInterface $client,
         private PactConfigInterface $config
     ) {
         $this->setUp();
@@ -25,13 +25,13 @@ public function getId(): int
 
     public function cleanUp(): void
     {
-        $this->proxy->call('pactffi_free_pact_handle', $this->id);
+        $this->client->call('pactffi_free_pact_handle', $this->id);
         unset($this->id);
     }
 
     public function writePact(): void
     {
-        $error = $this->proxy->call(
+        $error = $this->client->call(
             'pactffi_pact_handle_write_file',
             $this->id,
             $this->config->getPactDir(),
@@ -53,15 +53,15 @@ protected function setUp(): void
     protected function getSpecification(): int
     {
         return match (true) {
-            $this->versionEqualTo('1.0.0') => $this->proxy->get('PactSpecification_V1'),
-            $this->versionEqualTo('1.1.0') => $this->proxy->get('PactSpecification_V1_1'),
-            $this->versionEqualTo('2.0.0') => $this->proxy->get('PactSpecification_V2'),
-            $this->versionEqualTo('3.0.0') => $this->proxy->get('PactSpecification_V3'),
-            $this->versionEqualTo('4.0.0') => $this->proxy->get('PactSpecification_V4'),
+            $this->versionEqualTo('1.0.0') => $this->client->get('PactSpecification_V1'),
+            $this->versionEqualTo('1.1.0') => $this->client->get('PactSpecification_V1_1'),
+            $this->versionEqualTo('2.0.0') => $this->client->get('PactSpecification_V2'),
+            $this->versionEqualTo('3.0.0') => $this->client->get('PactSpecification_V3'),
+            $this->versionEqualTo('4.0.0') => $this->client->get('PactSpecification_V4'),
             default => function () {
                 trigger_error(sprintf("Specification version '%s' is unknown", $this->config->getPactSpecificationVersion()), E_USER_WARNING);
 
-                return $this->proxy->get('PactSpecification_Unknown');
+                return $this->client->get('PactSpecification_Unknown');
             },
         };
     }
@@ -75,7 +75,7 @@ private function initWithLogLevel(): self
     {
         $logLevel = $this->config->getLogLevel();
         if ($logLevel) {
-            $this->proxy->call('pactffi_init_with_log_level', $logLevel);
+            $this->client->call('pactffi_init_with_log_level', $logLevel);
         }
 
         return $this;
@@ -83,14 +83,14 @@ private function initWithLogLevel(): self
 
     private function newPact(): self
     {
-        $this->id = $this->proxy->call('pactffi_new_pact', $this->config->getConsumer(), $this->config->getProvider());
+        $this->id = $this->client->call('pactffi_new_pact', $this->config->getConsumer(), $this->config->getProvider());
 
         return $this;
     }
 
     private function withSpecification(): self
     {
-        $this->proxy->call('pactffi_with_specification', $this->id, $this->getSpecification());
+        $this->client->call('pactffi_with_specification', $this->id, $this->getSpecification());
 
         return $this;
     }
diff --git a/src/PhpPact/Consumer/Factory/InteractionRegistryFactory.php b/src/PhpPact/Consumer/Factory/InteractionRegistryFactory.php
index b7a9ccf5..bdf392f1 100644
--- a/src/PhpPact/Consumer/Factory/InteractionRegistryFactory.php
+++ b/src/PhpPact/Consumer/Factory/InteractionRegistryFactory.php
@@ -6,7 +6,7 @@
 use PhpPact\Consumer\Driver\Pact\PactDriver;
 use PhpPact\Consumer\Service\InteractionRegistry;
 use PhpPact\Consumer\Service\InteractionRegistryInterface;
-use PhpPact\FFI\Proxy;
+use PhpPact\FFI\Client;
 use PhpPact\Standalone\MockService\MockServerConfigInterface;
 use PhpPact\Consumer\Service\MockServer;
 
@@ -14,10 +14,10 @@ class InteractionRegistryFactory
 {
     public static function create(MockServerConfigInterface $config): InteractionRegistryInterface
     {
-        $proxy = new Proxy();
-        $pactDriver = new PactDriver($proxy, $config);
-        $interactionDriver = new InteractionDriver($proxy, $pactDriver);
-        $mockServer = new MockServer($proxy, $pactDriver, $config);
+        $client = new Client();
+        $pactDriver = new PactDriver($client, $config);
+        $interactionDriver = new InteractionDriver($client, $pactDriver);
+        $mockServer = new MockServer($client, $pactDriver, $config);
 
         return new InteractionRegistry($interactionDriver, $mockServer);
     }
diff --git a/src/PhpPact/Consumer/Service/MockServer.php b/src/PhpPact/Consumer/Service/MockServer.php
index edbc5158..31378257 100644
--- a/src/PhpPact/Consumer/Service/MockServer.php
+++ b/src/PhpPact/Consumer/Service/MockServer.php
@@ -6,13 +6,13 @@
 use PhpPact\Consumer\Driver\Pact\PactDriverInterface;
 use PhpPact\Consumer\Exception\MockServerNotStartedException;
 use PhpPact\Consumer\Exception\MockServerNotWrotePactFileException;
-use PhpPact\FFI\ProxyInterface;
+use PhpPact\FFI\ClientInterface;
 use PhpPact\Standalone\MockService\MockServerConfigInterface;
 
 class MockServer implements MockServerInterface
 {
     public function __construct(
-        private ProxyInterface $proxy,
+        private ClientInterface $client,
         private PactDriverInterface $pactDriver,
         private MockServerConfigInterface $config
     ) {
@@ -20,7 +20,7 @@ public function __construct(
 
     public function start(): void
     {
-        $port = $this->proxy->call(
+        $port = $this->client->call(
             'pactffi_create_mock_server_for_transport',
             $this->pactDriver->getId(),
             $this->config->getHost(),
@@ -37,12 +37,12 @@ public function start(): void
 
     public function isMatched(): bool
     {
-        return $this->proxy->call('pactffi_mock_server_matched', $this->config->getPort());
+        return $this->client->call('pactffi_mock_server_matched', $this->config->getPort());
     }
 
     public function writePact(): void
     {
-        $error = $this->proxy->call(
+        $error = $this->client->call(
             'pactffi_write_pact_file',
             $this->config->getPort(),
             $this->config->getPactDir(),
@@ -55,7 +55,7 @@ public function writePact(): void
 
     public function cleanUp(): void
     {
-        $this->proxy->call('pactffi_cleanup_mock_server', $this->config->getPort());
+        $this->client->call('pactffi_cleanup_mock_server', $this->config->getPort());
         $this->pactDriver->cleanUp();
     }
 
diff --git a/src/PhpPact/FFI/Proxy.php b/src/PhpPact/FFI/Client.php
similarity index 94%
rename from src/PhpPact/FFI/Proxy.php
rename to src/PhpPact/FFI/Client.php
index e36f1ba6..38b54a2b 100644
--- a/src/PhpPact/FFI/Proxy.php
+++ b/src/PhpPact/FFI/Client.php
@@ -6,7 +6,7 @@
 use PhpPact\FFI\Exception\HeaderNotReadException;
 use PhpPact\Standalone\Installer\Model\Scripts;
 
-class Proxy implements ProxyInterface
+class Client implements ClientInterface
 {
     private FFI $ffi;
 
diff --git a/src/PhpPact/FFI/ProxyInterface.php b/src/PhpPact/FFI/ClientInterface.php
similarity index 88%
rename from src/PhpPact/FFI/ProxyInterface.php
rename to src/PhpPact/FFI/ClientInterface.php
index 9f4a1a29..c0e767ff 100644
--- a/src/PhpPact/FFI/ProxyInterface.php
+++ b/src/PhpPact/FFI/ClientInterface.php
@@ -2,7 +2,7 @@
 
 namespace PhpPact\FFI;
 
-interface ProxyInterface
+interface ClientInterface
 {
     /**
      * @param array<int, mixed> $arguments