diff --git a/Api/Data/ShippingMethodInterface.php b/Api/Data/ShippingMethodInterface.php
index b8002cd..2aa941c 100644
--- a/Api/Data/ShippingMethodInterface.php
+++ b/Api/Data/ShippingMethodInterface.php
@@ -19,6 +19,11 @@ interface ShippingMethodInterface
      */
     const DELIVERY_METHOD_PICKUP = 'pick_up';
 
+    /*
+     * Unspecified
+     */
+    const DELIVERY_METHOD_UNSPECIFIED = 'unspecified';
+
     /*
      * None
      */
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fec2fcb..9f29ef4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+v1.7.14
+- Added option to allow selection of 'unspecified' delivery method
+
 v1.7.13
 - Session update logic when coupon code changes re-worked.
 
diff --git a/Helper/Config.php b/Helper/Config.php
index 4a0edac..e42f366 100644
--- a/Helper/Config.php
+++ b/Helper/Config.php
@@ -105,6 +105,11 @@ class Config extends AbstractHelper
      */
     const XPATH_PICKUP_METHODS = 'payment/dintero/shipping_methods_map';
 
+    /*
+     * Shipping methods map
+     */
+    const XPATH_UNSPECIFIED_METHODS = 'payment/dintero/unspecified_methods_map';
+
     /*
      * Default callback delay in seconds
      */
@@ -604,4 +609,18 @@ public function getPickupMethods($scopeCode = null)
             $this->scopeConfig->getValue(self::XPATH_PICKUP_METHODS, ScopeInterface::SCOPE_STORE, $scopeCode)
         );
     }
+
+    /**
+     * Retrieve pickup methods list
+     *
+     * @param string $scopeCode
+     * @return array
+     */
+    public function getUnspecifiedMethods($scopeCode = null)
+    {
+        return explode(
+            ',',
+            $this->scopeConfig->getValue(self::XPATH_UNSPECIFIED_METHODS, ScopeInterface::SCOPE_STORE, $scopeCode)
+        );
+    }
 }
diff --git a/Model/Api/Client.php b/Model/Api/Client.php
index 60f9031..f27d500 100644
--- a/Model/Api/Client.php
+++ b/Model/Api/Client.php
@@ -254,7 +254,7 @@ private function initRequest($endpoint, $token = null)
             'Dintero-System-Name' => __('Magento'),
             'Dintero-System-Version' => $this->getSystemMeta()->getVersion(),
             'Dintero-System-Plugin-Name' => 'Dintero.Checkout.Magento.V2',
-            'Dintero-System-Plugin-Version' => '1.7.13',
+            'Dintero-System-Plugin-Version' => '1.7.14',
         ];
 
         if ($token && $token instanceof Token) {
diff --git a/Model/ShippingCallback.php b/Model/ShippingCallback.php
index ef6b31c..b19cfcf 100644
--- a/Model/ShippingCallback.php
+++ b/Model/ShippingCallback.php
@@ -167,8 +167,15 @@ public function __construct(
      */
     protected function resolveDeliveryType($shippingMethod, $scopeCode = null)
     {
-        return in_array($shippingMethod, $this->configHelper->getPickupMethods($scopeCode))
-            ? ShippingMethodInterface::DELIVERY_METHOD_PICKUP : ShippingMethodInterface::DELIVERY_METHOD_DELIVERY;
+        if(in_array($shippingMethod, $this->configHelper->getPickupMethods($scopeCode))) {
+            return ShippingMethodInterface::DELIVERY_METHOD_PICKUP;
+        }
+
+        if (in_array($shippingMethod, $this->configHelper->getUnspecifiedMethods($scopeCode))) {
+            return ShippingMethodInterface::DELIVERY_METHOD_UNSPECIFIED;
+        }
+
+        return ShippingMethodInterface::DELIVERY_METHOD_DELIVERY;
     }
 
     /**
diff --git a/Model/Source/Carrier.php b/Model/Source/Carrier.php
index 0d977c9..9970779 100644
--- a/Model/Source/Carrier.php
+++ b/Model/Source/Carrier.php
@@ -52,8 +52,6 @@ public function toOptionArray()
                 continue;
             }
 
-
-
             $options[] = [
                 'label' => $carrier->getConfigData('title'),
                 'value' => $carrier->getCarrierCode(),
diff --git a/composer.json b/composer.json
index 357f202..7c2df2a 100644
--- a/composer.json
+++ b/composer.json
@@ -29,5 +29,5 @@
             "Dintero\\Checkout\\": ""
         }
     },
-    "version": "1.7.13"
+    "version": "1.7.14"
 }
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index 0d5e524..46274cc 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -95,8 +95,14 @@
                 <field id="shipping_methods_map" type="multiselect" translate="label" sortOrder="150" showInDefault="1" showInWebsite="1">
                     <label>Shipping Methods Mapping</label>
                     <source_model>Dintero\Checkout\Model\Source\Carrier</source_model>
+                    <can_be_empty>1</can_be_empty>
                 </field>
-                <field id="debug" translate="label" type="select" sortOrder="150" showInDefault="1" showInWebsite="1">
+                <field id="unspecified_methods_map" type="multiselect" translate="label" sortOrder="160" showInDefault="1" showInWebsite="1">
+                    <label>Unspecified Methods</label>
+                    <source_model>Dintero\Checkout\Model\Source\Carrier</source_model>
+                    <can_be_empty>1</can_be_empty>
+                </field>
+                <field id="debug" translate="label" type="select" sortOrder="160" showInDefault="1" showInWebsite="1">
                     <label>Debug Mode</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                     <attribute type="shared">1</attribute>
diff --git a/etc/module.xml b/etc/module.xml
index bd10ee9..9e17ff5 100644
--- a/etc/module.xml
+++ b/etc/module.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Dintero_Checkout" setup_version="1.7.13">
+    <module name="Dintero_Checkout" setup_version="1.7.14">
         <sequence>
             <module name="Magento_Sales"/>
             <module name="Magento_Checkout"/>