diff --git a/lib/Checkout/Payments/Request/PartialAuthorization.php b/lib/Checkout/Payments/Request/PartialAuthorization.php
new file mode 100644
index 0000000..1081e6b
--- /dev/null
+++ b/lib/Checkout/Payments/Request/PartialAuthorization.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Checkout\Payments\Request;
+
+class PartialAuthorization
+{
+    /**
+     * @var bool
+     */
+    public $enabled;
+}
diff --git a/lib/Checkout/Payments/Request/PaymentRequest.php b/lib/Checkout/Payments/Request/PaymentRequest.php
index 2259ec2..809694b 100644
--- a/lib/Checkout/Payments/Request/PaymentRequest.php
+++ b/lib/Checkout/Payments/Request/PaymentRequest.php
@@ -61,6 +61,11 @@ class PaymentRequest
      */
     public $authorization_type;
 
+    /**
+     * @var PartialAuthorization
+     */
+    public $partial_authorization;
+
     /**
      * @var bool
      */
diff --git a/test/Checkout/Tests/Payments/IncrementPaymentsAuthorizationsTest.php b/test/Checkout/Tests/Payments/IncrementPaymentsAuthorizationsTest.php
index 7d552d7..69aa6fc 100644
--- a/test/Checkout/Tests/Payments/IncrementPaymentsAuthorizationsTest.php
+++ b/test/Checkout/Tests/Payments/IncrementPaymentsAuthorizationsTest.php
@@ -7,6 +7,7 @@
 use Checkout\Common\CustomerRequest;
 use Checkout\Payments\AuthorizationRequest;
 use Checkout\Payments\AuthorizationType;
+use Checkout\Payments\Request\PartialAuthorization;
 use Checkout\Payments\Request\PaymentRequest;
 use Checkout\Payments\Request\Source\RequestCardSource;
 use Checkout\Payments\Sender\PaymentIndividualSender;
@@ -27,7 +28,10 @@ public function shouldIncrementPaymentAuthorization()
         $authorizationRequest->reference = uniqid();
         $authorizationRequest->metadata = array("param1" => "value1", "param2" => "value2");
 
-        $authorizationResponse = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization($paymentResponse["id"], $authorizationRequest);
+        $authorizationResponse = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization(
+            $paymentResponse["id"],
+            $authorizationRequest
+        );
 
         $this->assertResponse(
             $authorizationResponse,
@@ -60,8 +64,16 @@ public function shouldIncrementPaymentAuthorizationIdempotent()
 
         $idempotencyKey = $this->idempotencyKey();
 
-        $authorizationResponse = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization($paymentResponse["id"], $authorizationRequest, $idempotencyKey);
-        $authorizationResponse2 = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization($paymentResponse["id"], $authorizationRequest, $idempotencyKey);
+        $authorizationResponse = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization(
+            $paymentResponse["id"],
+            $authorizationRequest,
+            $idempotencyKey
+        );
+        $authorizationResponse2 = $this->checkoutApi->getPaymentsClient()->incrementPaymentAuthorization(
+            $paymentResponse["id"],
+            $authorizationRequest,
+            $idempotencyKey
+        );
 
         $this->assertEquals($authorizationResponse["action_id"], $authorizationResponse2["action_id"]);
     }
@@ -91,12 +103,16 @@ private function makeEstimatedAuthorizedPayment()
         $paymentIndividualSender->last_name = "Test";
         $paymentIndividualSender->address = $address;
 
+        $partialAuthorization = new PartialAuthorization();
+        $partialAuthorization->enabled = true;
+
         $paymentRequest = new PaymentRequest();
         $paymentRequest->source = $requestCardSource;
         $paymentRequest->capture = false;
         $paymentRequest->reference = uniqid();
         $paymentRequest->amount = 10;
         $paymentRequest->authorization_type = AuthorizationType::$estimated;
+        $paymentRequest->partial_authorization = $partialAuthorization;
         $paymentRequest->currency = Currency::$EUR;
         $paymentRequest->customer = $customerRequest;
         $paymentRequest->sender = $paymentIndividualSender;