diff --git a/src/MollieLaravelHttpClientAdapter.php b/src/MollieLaravelHttpClientAdapter.php
index 2b9a45c..6c790a0 100644
--- a/src/MollieLaravelHttpClientAdapter.php
+++ b/src/MollieLaravelHttpClientAdapter.php
@@ -13,8 +13,11 @@ class MollieLaravelHttpClientAdapter implements MollieHttpAdapterInterface
 
     public function send($httpMethod, $url, $headers, $httpBody): object
     {
-        $response = Http::withHeaders($headers)
-            ->withBody($httpBody, 'application/json')
+        $contentType = $headers['Content-Type'] ?? 'application/json';
+        unset($headers['Content-Type']);
+
+        $response = Http::withBody($httpBody, $contentType)
+            ->withHeaders($headers)
             ->send($httpMethod, $url);
 
         return $this->parseResponseBody($response);
diff --git a/tests/Wrappers/MollieApiLaravelClientTest.php b/tests/Wrappers/MollieApiLaravelClientTest.php
new file mode 100644
index 0000000..93060df
--- /dev/null
+++ b/tests/Wrappers/MollieApiLaravelClientTest.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Mollie\Laravel\Tests\Wrappers;
+
+use Illuminate\Support\Facades\Http;
+use Mollie\Api\MollieApiClient;
+use Mollie\Api\Resources\Payment;
+use Mollie\Laravel\Tests\TestCase;
+use Mollie\Laravel\Wrappers\MollieApiWrapper;
+
+/**
+ * Class MollieApiWrapper
+ */
+class MollieApiLaravelClientTest extends TestCase
+{
+
+    public function testPostRequest()
+    {
+        /** @var MollieApiClient $client */
+        $client = app(MollieApiClient::class);
+        $payment = new Payment($client);
+        $payment->id = uniqid('tr_');
+        $payment->redirectUrl = 'https://google.com/redirect';
+        $payment->description = 'test';
+
+        Http::fake([
+            'https://api.mollie.com/*' => Http::response(json_encode($payment))
+        ]);
+
+        $client->setApiKey('test_nawruSyCR7UE84EhtVmMmDGdRswBqj');
+        $returnedPayment = $client->payments->create([
+            'redirectUrl' => 'https://google.com/redirect',
+            'description' => 'test',
+            'amount' => [
+                'value' => '10.00',
+                'currency' => 'EUR'
+            ]
+        ]);
+
+        $this->assertEquals($payment->id, $returnedPayment->id);
+        $this->assertEquals($payment->redirectUrl, $returnedPayment->redirectUrl);
+        $this->assertEquals($payment->description, $returnedPayment->description);
+    }
+
+    public function testGetRequest()
+    {
+        /** @var MollieApiClient $client */
+        $client = app(MollieApiClient::class);
+        $payment = new Payment($client);
+        $payment->id = uniqid('tr_');
+        $payment->redirectUrl = 'https://google.com/redirect';
+        $payment->description = 'test';
+
+        Http::fake([
+            'https://api.mollie.com/v2/payments/' . $payment->id => Http::response(json_encode($payment))
+        ]);
+
+        $client->setApiKey('test_nawruSyCR7UE84EhtVmMmDGdRswBqj');
+        $returnedPayment = $client->payments->get($payment->id);
+
+        $this->assertEquals($payment->id, $returnedPayment->id);
+        $this->assertEquals($payment->redirectUrl, $returnedPayment->redirectUrl);
+        $this->assertEquals($payment->description, $returnedPayment->description);
+    }
+}