diff --git a/CHANGELOG.md b/CHANGELOG.md
index 950a3383..e2a3410b 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 *   The SDK now supports the webhook event `payout`.
 *   Example for Flexipay direct.
 *   Email parameter to `Paypal` payment type.
+*   Error id to `HeidelpayApiException`.
 
 ### Changed
 *   The webhook tests now cover all supported events.
diff --git a/src/Exceptions/HeidelpayApiException.php b/src/Exceptions/HeidelpayApiException.php
index 23c4a0d7..38f6e07b 100755
--- a/src/Exceptions/HeidelpayApiException.php
+++ b/src/Exceptions/HeidelpayApiException.php
@@ -34,19 +34,24 @@ class HeidelpayApiException extends Exception
     /** @var string $clientMessage */
     protected $clientMessage;
 
+    /** @var string */
+    private $errorId;
+
     /**
      * HeidelpayApiException constructor.
      *
      * @param string $merchantMessage
      * @param string $clientMessage
      * @param string $code
+     * @param string $errorId
      */
-    public function __construct($merchantMessage = '', $clientMessage = '', $code = 'No error code provided')
+    public function __construct($merchantMessage = '', $clientMessage = '', $code = 'No error code provided', $errorId = 'No error id provided')
     {
         $merchantMessage = empty($merchantMessage) ? static::MESSAGE : $merchantMessage;
         $this->clientMessage = empty($clientMessage) ? static::CLIENT_MESSAGE : $clientMessage;
         parent::__construct($merchantMessage);
         $this->code = $code;
+        $this->errorId = $errorId;
     }
 
     /**
@@ -64,4 +69,12 @@ public function getMerchantMessage(): string
     {
         return $this->getMessage();
     }
+
+    /**
+     * @return string
+     */
+    public function getErrorId(): string
+    {
+        return $this->errorId;
+    }
 }
diff --git a/src/Services/HttpService.php b/src/Services/HttpService.php
index 42178d7c..6186dc66 100755
--- a/src/Services/HttpService.php
+++ b/src/Services/HttpService.php
@@ -185,7 +185,8 @@ private function handleErrors($responseCode, $response)
 
         $responseObject = json_decode($response, false);
         if ($responseCode >= 400 || isset($responseObject->errors)) {
-            $code            = null;
+            $code    = null;
+            $errorId = null;
             $customerMessage = $code;
             $merchantMessage = $customerMessage;
             if (isset($responseObject->errors[0])) {
@@ -194,8 +195,14 @@ private function handleErrors($responseCode, $response)
                 $customerMessage = $errors->customerMessage ?? '';
                 $code = $errors->code ?? '';
             }
+            if (isset($responseObject->id)) {
+                $errorId = $responseObject->id;
+                if (IdService::getResourceTypeFromIdString($errorId) !== 'err') {
+                    $errorId = null;
+                }
+            }
 
-            throw new HeidelpayApiException($merchantMessage, $customerMessage, $code);
+            throw new HeidelpayApiException($merchantMessage, $customerMessage, $code, $errorId);
         }
     }
 
diff --git a/test/integration/BasketTest.php b/test/integration/BasketTest.php
index 7656ffeb..ac64c22d 100755
--- a/test/integration/BasketTest.php
+++ b/test/integration/BasketTest.php
@@ -129,6 +129,7 @@ public function basketItemWithInvalidUrlWillThrowAnError($expectException, $imag
         } catch (HeidelpayApiException $e) {
             $this->assertTrue($expectException);
             $this->assertEquals($exceptionCode, $e->getCode());
+            $this->assertNotNull($e->getErrorId());
         }
     }
 
diff --git a/test/integration/CustomerTest.php b/test/integration/CustomerTest.php
index a474da9c..590fb2eb 100755
--- a/test/integration/CustomerTest.php
+++ b/test/integration/CustomerTest.php
@@ -340,6 +340,7 @@ public function customerShouldBeFetchedByCustomerIdAndUpdatedIfItAlreadyExists()
             $this->assertTrue(false, 'Exception should be thrown here.');
         } catch (HeidelpayApiException $e) {
             $this->assertEquals($e->getCode(), ApiResponseCodes::API_ERROR_CUSTOMER_CAN_NOT_BE_FOUND);
+            $this->assertNotNull($e->getErrorId());
         }
 
         // create customer with api
diff --git a/test/integration/ExceptionTest.php b/test/integration/ExceptionTest.php
index 28e6dc95..b143533f 100755
--- a/test/integration/ExceptionTest.php
+++ b/test/integration/ExceptionTest.php
@@ -52,6 +52,7 @@ public function apiExceptionShouldHoldClientMessage()
         } catch (HeidelpayApiException $e) {
             $this->assertInstanceOf(HeidelpayApiException::class, $e);
             $this->assertEquals(ApiResponseCodes::API_ERROR_TRANSACTION_AUTHORIZE_NOT_ALLOWED, $e->getCode());
+            $this->assertNotNull($e->getErrorId());
             $firstClientMessage = $e->getClientMessage();
             $this->assertNotEmpty($firstClientMessage);
             $this->assertNotEquals($e->getMerchantMessage(), $firstClientMessage);
@@ -63,6 +64,7 @@ public function apiExceptionShouldHoldClientMessage()
         } catch (HeidelpayApiException $e) {
             $this->assertInstanceOf(HeidelpayApiException::class, $e);
             $this->assertEquals(ApiResponseCodes::API_ERROR_TRANSACTION_AUTHORIZE_NOT_ALLOWED, $e->getCode());
+            $this->assertNotNull($e->getErrorId());
             $secondClientMessage = $e->getClientMessage();
             $this->assertNotEmpty($secondClientMessage);
             $this->assertNotEquals($e->getMerchantMessage(), $secondClientMessage);