diff --git a/opengever/api/transition.py b/opengever/api/transition.py
index 4c7101b61a..7d8888e320 100644
--- a/opengever/api/transition.py
+++ b/opengever/api/transition.py
@@ -385,8 +385,10 @@ class GEVERDocumentWorkflowTransition(GEVERWorkflowTransition):
     def reply(self):
         response = super(GEVERDocumentWorkflowTransition, self).reply()
         if self.transition in self.SIGNING_TRANSITIONS:
-            response['redirect_url'] = Signer(
-                self.context).serialize_pending_signing_job().get('redirect_url')
+            pending_signing_job = Signer(
+                self.context).serialize_pending_signing_job()
+            response['redirect_url'] = pending_signing_job.get('redirect_url')
+            response['invite_url'] = pending_signing_job.get('invite_url')
         return response
 
 
diff --git a/opengever/document/tests/test_document_workflow.py b/opengever/document/tests/test_document_workflow.py
index 3b686e444f..51014b5afa 100644
--- a/opengever/document/tests/test_document_workflow.py
+++ b/opengever/document/tests/test_document_workflow.py
@@ -228,6 +228,7 @@ def test_can_start_signing_a_document_in_draft_state(self, mocker):
                 'created': u'2024-02-18T15:45:00',
                 'job_id': '1',
                 'redirect_url': 'http://external.example.org/signing-requests/123',
+                'invite_url': 'http://external.example.org/invite/signing-requests/123',
                 'signers': [],
                 'editors': [
                     {
@@ -261,6 +262,7 @@ def test_can_start_signing_a_document_in_final_state(self, mocker):
                 'created': u'2024-02-18T15:45:00',
                 'job_id': '1',
                 'redirect_url': 'http://external.example.org/signing-requests/123',
+                'invite_url': 'http://external.example.org/invite/signing-requests/123',
                 'signers': [],
                 'editors': [
                     {
diff --git a/opengever/sign/pending_signing_job.py b/opengever/sign/pending_signing_job.py
index 375a2a1232..5c71812e0e 100644
--- a/opengever/sign/pending_signing_job.py
+++ b/opengever/sign/pending_signing_job.py
@@ -18,6 +18,7 @@ def __init__(self,
                  editors=list(),
                  job_id='',
                  redirect_url='',
+                 invite_url='',
                  ):
 
         self.created = created or datetime.now()
@@ -27,6 +28,7 @@ def __init__(self,
         self.editors = PendingEditors([PendingEditor(email=editors) for editors in editors])
         self.job_id = job_id
         self.redirect_url = redirect_url
+        self.invite_url = invite_url
 
     def serialize(self):
         return json_compatible({
@@ -34,6 +36,7 @@ def serialize(self):
             'userid': self.userid,
             'job_id': self.job_id,
             'redirect_url': self.redirect_url,
+            'invite_url': self.invite_url,
             'signers': self.signers.serialize(),
             'editors': self.editors.serialize(),
             'version': self.version,
diff --git a/opengever/sign/sign.py b/opengever/sign/sign.py
index 51a069a594..33c3161aa3 100644
--- a/opengever/sign/sign.py
+++ b/opengever/sign/sign.py
@@ -43,6 +43,7 @@ def start_signing(self, signers=[], editors=[]):
             editors=editors,
             job_id=response.get('id'),
             redirect_url=response.get('redirect_url'),
+            invite_url=response.get('invite_url'),
         )
         return token
 
diff --git a/opengever/sign/tests/test_pending_signing_job.py b/opengever/sign/tests/test_pending_signing_job.py
index 94e86c15b5..5d925baeca 100644
--- a/opengever/sign/tests/test_pending_signing_job.py
+++ b/opengever/sign/tests/test_pending_signing_job.py
@@ -29,7 +29,8 @@ def test_can_be_serialized(self):
             signers=['foo.bar@example.com'],
             editors=['bar.foo@example.com'],
             job_id='1',
-            redirect_url='redirect@example.com')
+            redirect_url='redirect@example.com',
+            invite_url='redirect@example.com/invite')
 
         self.assertDictEqual(
             {
@@ -49,7 +50,8 @@ def test_can_be_serialized(self):
                     }
                 ],
                 'job_id': '1',
-                'redirect_url': 'redirect@example.com'
+                'redirect_url': 'redirect@example.com',
+                'invite_url': 'redirect@example.com/invite',
             }, metadata.serialize())
 
     def test_can_be_converted_to_a_signed_version(self):
diff --git a/opengever/sign/tests/test_sign.py b/opengever/sign/tests/test_sign.py
index dbcaee37dd..fc16711281 100644
--- a/opengever/sign/tests/test_sign.py
+++ b/opengever/sign/tests/test_sign.py
@@ -17,6 +17,7 @@
 DEFAULT_MOCK_RESPONSE = {
     'id': '1',
     'redirect_url': 'http://external.example.org/signing-requests/123',
+    'invite_url': 'http://external.example.org/invite/signing-requests/123',
 }
 
 
@@ -59,6 +60,7 @@ def test_store_signing_document_metadata_when_starting_sign_process(self, mocker
                 'created': u'2024-02-18T15:45:00',
                 'job_id': '1',
                 'redirect_url': 'http://external.example.org/signing-requests/123',
+                'invite_url': 'http://external.example.org/invite/signing-requests/123',
                 'signers': [{u'email': u'foo.bar@example.com', u'userid': u''}],
                 'editors': [{u'email': u'bar.foo@example.com', u'userid': u''}],
                 'userid': 'regular_user',