diff --git a/tests/unit/jwt/test_access_token.py b/tests/unit/jwt/test_access_token.py
index 13619e726d..1753e46730 100644
--- a/tests/unit/jwt/test_access_token.py
+++ b/tests/unit/jwt/test_access_token.py
@@ -4,7 +4,7 @@
 from datetime import datetime
 from nose.tools import assert_equal
 from twilio.jwt import decode
-from twilio.jwt.access_token import AccessToken, ConversationsGrant, IpMessagingGrant, VoiceGrant
+from twilio.jwt.access_token import AccessToken, ConversationsGrant, IpMessagingGrant, SyncGrant, VoiceGrant
 
 ACCOUNT_SID = 'AC123'
 SIGNING_KEY_SID = 'SK123'
@@ -93,6 +93,22 @@ def test_ip_messaging_grant(self):
             'push_credential_sid': 'CR123'
         }, payload['grants']['ip_messaging'])
 
+    def test_sync_grant(self):
+        scat = AccessToken(ACCOUNT_SID, SIGNING_KEY_SID, 'secret')
+        scat.identity = "bender"
+        scat.add_grant(SyncGrant(service_sid='IS123', endpoint_id='blahblahendpoint'))
+
+        token = str(scat)
+        assert_is_not_none(token)
+        payload = decode(token, 'secret')
+        self._validate_claims(payload)
+        assert_equal(2, len(payload['grants']))
+        assert_equal("bender", payload['grants']['identity'])
+        assert_equal({
+            'service_sid': 'IS123',
+            'endpoint_id': 'blahblahendpoint'
+        }, payload['grants']['data_sync'])
+
     def test_grants(self):
         scat = AccessToken(ACCOUNT_SID, SIGNING_KEY_SID, 'secret')
         scat.add_grant(ConversationsGrant())
diff --git a/twilio/jwt/access_token.py b/twilio/jwt/access_token.py
index 875c69223b..bb8a1693c8 100644
--- a/twilio/jwt/access_token.py
+++ b/twilio/jwt/access_token.py
@@ -30,6 +30,26 @@ def to_payload(self):
         return grant
 
 
+class SyncGrant(object):
+    """ Grant to access Twilio Sync """
+    def __init__(self, service_sid=None, endpoint_id=None):
+        self.service_sid = service_sid
+        self.endpoint_id = endpoint_id
+
+    @property
+    def key(self):
+        return "data_sync"
+
+    def to_payload(self):
+        grant = {}
+        if self.service_sid:
+            grant['service_sid'] = self.service_sid
+        if self.endpoint_id:
+            grant['endpoint_id'] = self.endpoint_id
+
+        return grant
+
+
 class ConversationsGrant(object):
     """ Grant to access Twilio Conversations """
     def __init__(self, configuration_profile_sid=None):