diff --git a/recurly/__init__.py b/recurly/__init__.py
index ada9b20e..2c8432b6 100644
--- a/recurly/__init__.py
+++ b/recurly/__init__.py
@@ -2278,6 +2278,8 @@ class ExternalSubscription(Resource):
         'last_purchased',
         'auto_renew',
         'in_grace_period',
+        'import',
+        'test',
         'app_identifier',
         'quantity',
         'state',
@@ -2296,6 +2298,22 @@ def get_external_payment_phase(self, external_payment_phase_uuid):
       resp, elem = ExternalPaymentPhase().element_for_url(url)
       return ExternalPaymentPhase().from_element(elem)
 
+    @property
+    def is_import(self):
+        return getattr(self, 'import')
+
+    @is_import.setter
+    def is_import(self, value):
+        setattr(self, 'import', value)
+
+    @classmethod
+    def get_by_external_id(cls, external_id):
+        """Return a `External Subscription` instance identified by
+        the given external id.
+
+        """
+        return cls.get("external-id-{}".format(external_id))
+
 class ExternalProductReference(Resource):
 
     """ A reference of a product from an external resource that is not managed by the Recurly platform and instead is managed by third-party platforms like Apple Store and Google Play. """
diff --git a/tests/fixtures/account/external-subscriptions.xml b/tests/fixtures/account/external-subscriptions.xml
index c0d6094f..261298d6 100644
--- a/tests/fixtures/account/external-subscriptions.xml
+++ b/tests/fixtures/account/external-subscriptions.xml
@@ -18,6 +18,8 @@ Content-Type: application/xml; charset=utf-8
         <last_purchased nil="nil"></last_purchased>
         <auto_renew type="boolean">false</auto_renew>
         <in_grace_period type="boolean">false</in_grace_period>
+        <import type="boolean">false</import>
+        <test type="boolean">false</test>
         <app_identifier nil="nil"></app_identifier>
         <quantity type="integer">1</quantity>
         <state>active</state>
@@ -37,6 +39,8 @@ Content-Type: application/xml; charset=utf-8
         <last_purchased nil="nil"></last_purchased>
         <auto_renew type="boolean">false</auto_renew>
         <in_grace_period type="boolean">false</in_grace_period>
+        <import type="boolean">false</import>
+        <test type="boolean">false</test>
         <app_identifier>app_identifier</app_identifier>
         <quantity type="integer">1</quantity>
         <state>active</state>
diff --git a/tests/fixtures/external-subscription/get.xml b/tests/fixtures/external-subscription/get.xml
index 476a7f99..0b3c5e11 100644
--- a/tests/fixtures/external-subscription/get.xml
+++ b/tests/fixtures/external-subscription/get.xml
@@ -18,6 +18,8 @@ Content-Type: application/xml; charset=utf-8
     <last_purchased nil="nil"></last_purchased>
     <auto_renew type="boolean">false</auto_renew>
     <in_grace_period type="boolean">false</in_grace_period>
+    <import type="boolean">false</import>
+    <test type="boolean">false</test>
     <app_identifier>app_identifier</app_identifier>
     <quantity type="integer">1</quantity>
     <state>active</state>
diff --git a/tests/fixtures/external-subscription/list.xml b/tests/fixtures/external-subscription/list.xml
index cbe5c7a9..a9c5af7a 100644
--- a/tests/fixtures/external-subscription/list.xml
+++ b/tests/fixtures/external-subscription/list.xml
@@ -19,6 +19,8 @@ Content-Type: application/xml; charset=utf-8
         <last_purchased nil="nil"></last_purchased>
         <auto_renew type="boolean">false</auto_renew>
         <in_grace_period type="boolean">false</in_grace_period>
+        <import type="boolean">false</import>
+        <test type="boolean">false</test>
         <app_identifier nil="nil"></app_identifier>
         <quantity type="integer">1</quantity>
         <state>active</state>
@@ -39,6 +41,8 @@ Content-Type: application/xml; charset=utf-8
         <last_purchased nil="nil"></last_purchased>
         <auto_renew type="boolean">false</auto_renew>
         <in_grace_period type="boolean">false</in_grace_period>
+        <import type="boolean">false</import>
+        <test type="boolean">false</test>
         <app_identifier>app_identifier</app_identifier>
         <quantity type="integer">1</quantity>
         <state>active</state>
diff --git a/tests/test_resources.py b/tests/test_resources.py
index 6d1f0eaa..cca53525 100644
--- a/tests/test_resources.py
+++ b/tests/test_resources.py
@@ -3413,6 +3413,8 @@ def test_external_subscriptions_on_account(self):
         self.assertEqual(external_subscriptions[0].last_purchased, None)
         self.assertEqual(external_subscriptions[0].auto_renew, False)
         self.assertEqual(external_subscriptions[0].in_grace_period, False)
+        self.assertEqual(external_subscriptions[0].is_import, False)
+        self.assertEqual(external_subscriptions[0].test, False)
         self.assertEqual(external_subscriptions[0].app_identifier, None)
         self.assertEqual(external_subscriptions[0].quantity, 1)
         self.assertEqual(external_subscriptions[0].state, 'active')
@@ -3429,6 +3431,8 @@ def test_external_subscriptions_on_account(self):
         self.assertEqual(external_subscriptions[1].last_purchased, None)
         self.assertEqual(external_subscriptions[1].auto_renew, False)
         self.assertEqual(external_subscriptions[1].in_grace_period, False)
+        self.assertEqual(external_subscriptions[1].is_import, False)
+        self.assertEqual(external_subscriptions[1].test, False)
         self.assertEqual(external_subscriptions[1].app_identifier, 'app_identifier')
         self.assertEqual(external_subscriptions[1].quantity, 1)
         self.assertEqual(external_subscriptions[1].state, 'active')
@@ -3452,6 +3456,8 @@ def test_list_external_subscriptions(self):
         self.assertEqual(external_subscriptions[0].last_purchased, None)
         self.assertEqual(external_subscriptions[0].auto_renew, False)
         self.assertEqual(external_subscriptions[0].in_grace_period, False)
+        self.assertEqual(external_subscriptions[0].is_import, False)
+        self.assertEqual(external_subscriptions[0].test, False)
         self.assertEqual(external_subscriptions[0].app_identifier, None)
         self.assertEqual(external_subscriptions[0].quantity, 1)
         self.assertEqual(external_subscriptions[0].state, 'active')
@@ -3468,6 +3474,8 @@ def test_list_external_subscriptions(self):
         self.assertEqual(external_subscriptions[1].last_purchased, None)
         self.assertEqual(external_subscriptions[1].auto_renew, False)
         self.assertEqual(external_subscriptions[1].in_grace_period, False)
+        self.assertEqual(external_subscriptions[1].is_import, False)
+        self.assertEqual(external_subscriptions[1].test, False)
         self.assertEqual(external_subscriptions[1].app_identifier, 'app_identifier')
         self.assertEqual(external_subscriptions[1].quantity, 1)
         self.assertEqual(external_subscriptions[1].state, 'active')
@@ -3489,6 +3497,31 @@ def test_get_external_subscription(self):
         self.assertEqual(external_subscription.last_purchased, None)
         self.assertEqual(external_subscription.auto_renew, False)
         self.assertEqual(external_subscription.in_grace_period, False)
+        self.assertEqual(external_subscription.is_import, False)
+        self.assertEqual(external_subscription.test, False)
+        self.assertEqual(external_subscription.app_identifier, 'app_identifier')
+        self.assertEqual(external_subscription.quantity, 1)
+        self.assertEqual(external_subscription.state, 'active')
+        self.assertEqual(external_subscription.activated_at, None)
+        self.assertEqual(external_subscription.canceled_at, datetime(2022, 11, 3, 21, 57, 14, tzinfo=external_subscription.canceled_at.tzinfo))
+        self.assertEqual(external_subscription.expires_at, None)
+        self.assertEqual(external_subscription.trial_started_at, datetime(2022, 11, 3, 21, 57, 14, tzinfo=external_subscription.trial_started_at.tzinfo))
+        self.assertEqual(external_subscription.trial_ends_at, datetime(2022, 11, 3, 21, 57, 14, tzinfo=external_subscription.trial_ends_at.tzinfo))
+        self.assertEqual(external_subscription.created_at, datetime(2022, 11, 3, 21, 57, 14, tzinfo=external_subscription.created_at.tzinfo))
+        self.assertEqual(external_subscription.updated_at, datetime(2022, 11, 4, 18, 11, 51, tzinfo=external_subscription.updated_at.tzinfo))
+
+    def test_get_external_subscription_by_external_id(self):
+
+        with self.mock_request('external-subscription/get.xml'):
+            external_subscription = ExternalSubscription.get_by_external_id('abcd1234')
+
+        self.assertEqual(external_subscription.external_id, 'abcd1234')
+        self.assertEqual(external_subscription.external_product_reference, None)
+        self.assertEqual(external_subscription.last_purchased, None)
+        self.assertEqual(external_subscription.auto_renew, False)
+        self.assertEqual(external_subscription.in_grace_period, False)
+        self.assertEqual(external_subscription.is_import, False)
+        self.assertEqual(external_subscription.test, False)
         self.assertEqual(external_subscription.app_identifier, 'app_identifier')
         self.assertEqual(external_subscription.quantity, 1)
         self.assertEqual(external_subscription.state, 'active')