diff --git a/firebase_admin/_messaging_encoder.py b/firebase_admin/_messaging_encoder.py
index 48a3dd3cd..85072b597 100644
--- a/firebase_admin/_messaging_encoder.py
+++ b/firebase_admin/_messaging_encoder.py
@@ -160,6 +160,15 @@ def check_analytics_label(cls, label, value):
             raise ValueError('Malformed {}.'.format(label))
         return value
 
+    @classmethod
+    def check_boolean(cls, label, value):
+        """Checks if the given value is boolean."""
+        if value is None:
+            return None
+        if not isinstance(value, bool):
+            raise ValueError('{0} must be a boolean.'.format(label))
+        return value
+
     @classmethod
     def check_datetime(cls, label, value):
         """Checks if the given value is a datetime."""
@@ -196,6 +205,8 @@ def encode_android(cls, android):
                 'AndroidConfig.restricted_package_name', android.restricted_package_name),
             'ttl': cls.encode_ttl(android.ttl),
             'fcm_options': cls.encode_android_fcm_options(android.fcm_options),
+            'direct_boot_ok': _Validators.check_boolean(
+                'AndroidConfig.direct_boot_ok', android.direct_boot_ok),
         }
         result = cls.remove_null_values(result)
         priority = result.get('priority')
diff --git a/firebase_admin/_messaging_utils.py b/firebase_admin/_messaging_utils.py
index 64930f1b8..29b8276bc 100644
--- a/firebase_admin/_messaging_utils.py
+++ b/firebase_admin/_messaging_utils.py
@@ -49,10 +49,12 @@ class AndroidConfig:
             strings. When specified, overrides any data fields set via ``Message.data``.
         notification: A ``messaging.AndroidNotification`` to be included in the message (optional).
         fcm_options: A ``messaging.AndroidFCMOptions`` to be included in the message (optional).
+        direct_boot_ok: A boolean indicating whether messages will be allowed to be delivered to
+            the app while the device is in direct boot mode (optional).
     """
 
     def __init__(self, collapse_key=None, priority=None, ttl=None, restricted_package_name=None,
-                 data=None, notification=None, fcm_options=None):
+                 data=None, notification=None, fcm_options=None, direct_boot_ok=None):
         self.collapse_key = collapse_key
         self.priority = priority
         self.ttl = ttl
@@ -60,6 +62,7 @@ def __init__(self, collapse_key=None, priority=None, ttl=None, restricted_packag
         self.data = data
         self.notification = notification
         self.fcm_options = fcm_options
+        self.direct_boot_ok = direct_boot_ok
 
 
 class AndroidNotification:
diff --git a/tests/test_messaging.py b/tests/test_messaging.py
index 71bb13eed..5072df6ea 100644
--- a/tests/test_messaging.py
+++ b/tests/test_messaging.py
@@ -33,6 +33,7 @@
 NON_OBJECT_ARGS = [list(), tuple(), dict(), 'foo', 0, 1, True, False]
 NON_LIST_ARGS = ['', tuple(), dict(), True, False, 1, 0, [1], ['foo', 1]]
 NON_UINT_ARGS = ['1.23s', list(), tuple(), dict(), -1.23]
+NON_BOOL_ARGS = ['', list(), tuple(), dict(), 1, 0, [1], ['foo', 1], {1: 'foo'}, {'foo': 1}]
 HTTP_ERROR_CODES = {
     400: exceptions.InvalidArgumentError,
     403: exceptions.PermissionDeniedError,
@@ -249,7 +250,8 @@ def test_fcm_options(self):
                 topic='topic',
                 fcm_options=messaging.FCMOptions('message-label'),
                 android=messaging.AndroidConfig(
-                    fcm_options=messaging.AndroidFCMOptions('android-label')),
+                    fcm_options=messaging.AndroidFCMOptions('android-label'),
+                    direct_boot_ok=False),
                 apns=messaging.APNSConfig(fcm_options=
                                           messaging.APNSFCMOptions(
                                               analytics_label='apns-label',
@@ -259,7 +261,8 @@ def test_fcm_options(self):
             {
                 'topic': 'topic',
                 'fcm_options': {'analytics_label': 'message-label'},
-                'android': {'fcm_options': {'analytics_label': 'android-label'}},
+                'android': {'fcm_options': {'analytics_label': 'android-label'},
+                            'direct_boot_ok': False},
                 'apns': {'fcm_options': {'analytics_label': 'apns-label',
                                          'image': 'https://images.unsplash.com/photo-14944386399'
                                                   '46-1ebd1d20bf85?fit=crop&w=900&q=60'}},
@@ -317,6 +320,20 @@ def test_invalid_data(self, data):
             check_encoding(messaging.Message(
                 topic='topic', android=messaging.AndroidConfig(data=data)))
 
+    @pytest.mark.parametrize('data', NON_STRING_ARGS)
+    def test_invalid_analytics_label(self, data):
+        with pytest.raises(ValueError):
+            check_encoding(messaging.Message(
+                topic='topic', android=messaging.AndroidConfig(
+                    fcm_options=messaging.AndroidFCMOptions(analytics_label=data))))
+
+    @pytest.mark.parametrize('data', NON_BOOL_ARGS)
+    def test_invalid_direct_boot_ok(self, data):
+        with pytest.raises(ValueError):
+            check_encoding(messaging.Message(
+                topic='topic', android=messaging.AndroidConfig(direct_boot_ok=data)))
+
+
     def test_android_config(self):
         msg = messaging.Message(
             topic='topic',
@@ -326,7 +343,8 @@ def test_android_config(self):
                 priority='high',
                 ttl=123,
                 data={'k1': 'v1', 'k2': 'v2'},
-                fcm_options=messaging.AndroidFCMOptions('analytics_label_v1')
+                fcm_options=messaging.AndroidFCMOptions('analytics_label_v1'),
+                direct_boot_ok=True,
             )
         )
         expected = {
@@ -343,6 +361,7 @@ def test_android_config(self):
                 'fcm_options': {
                     'analytics_label': 'analytics_label_v1',
                 },
+                'direct_boot_ok': True,
             },
         }
         check_encoding(msg, expected)