diff --git a/b3lb/requirements.txt b/b3lb/requirements.txt
index dfa06f5..886af3d 100644
--- a/b3lb/requirements.txt
+++ b/b3lb/requirements.txt
@@ -15,6 +15,7 @@ django-environ==0.11.2
 django-redis==5.4.0
 django-storages==1.14.2
 intervaltree==3.1.0
+pyjwt==2.8.0
 psycopg2cffi==2.9.0
 requests==2.31.0
 uvicorn[standard]==0.23.2
diff --git a/b3lb/rest/models.py b/b3lb/rest/models.py
index 7727763..47ed0fb 100644
--- a/b3lb/rest/models.py
+++ b/b3lb/rest/models.py
@@ -400,6 +400,12 @@ class Meta(object):
     def __str__(self):
         return "{}-{}".format(self.tenant.slug, str(self.sub_id).zfill(3))
 
+    @property
+    def get_valid_secret(self) -> str:
+        if self.secret2:
+            return str(self.secret2)
+        return str(self.secret)
+
     @property
     def endpoint(self) -> str:
         if self.sub_id == 0:
diff --git a/b3lb/rest/task/recording.py b/b3lb/rest/task/recording.py
index d508ea7..cab7719 100644
--- a/b3lb/rest/task/recording.py
+++ b/b3lb/rest/task/recording.py
@@ -18,7 +18,8 @@
 from django.utils import timezone as tz
 from django.conf import settings
 from os import makedirs, path
-from requests import get
+from jwt import encode as jwt_encode
+from requests import post
 if settings.B3LB_RENDERING:
     from rest.b3lb.make_xges import render_xges
 from rest.models import Record, RecordSet, RecordProfile, SecretRecordProfileRelation
@@ -26,7 +27,7 @@
 from tempfile import TemporaryDirectory
 
 
-def render_by_profile(record_set: RecordSet, record_profile: RecordProfile, tempdir: str):
+def render_by_profile(record_set: RecordSet, record_profile: RecordProfile, tempdir: str) -> str:
     """
     Render RecordSet with given RecordProfile in tempdir with
 
@@ -59,6 +60,7 @@ def render_by_profile(record_set: RecordSet, record_profile: RecordProfile, temp
     record.published = True
     record.save()
     print(f"Finished rendering {record_set.__str__()} with profile {record_profile.name}")
+    return str(record.uuid)
 
 
 def render_record(record_set: RecordSet):
@@ -79,20 +81,21 @@ def render_record(record_set: RecordSet):
             profile_relations = SecretRecordProfileRelation.objects.filter(secret=record_set.secret)
             if profile_relations.count() > 0:
                 for profile_relation in profile_relations:
-                    render_by_profile(record_set, profile_relation.record_profile, tempdir)
+                    record_id = render_by_profile(record_set, profile_relation.record_profile, tempdir)
             else:
                 for record_profile in RecordProfile.objects.filter(is_default=True):
-                    render_by_profile(record_set, record_profile, tempdir)
+                    record_id = render_by_profile(record_set, record_profile, tempdir)
+
+    # Greenlight v3 sends a record ready URL, Greenlight v2 doesn't send one
+    if record_set.recording_ready_origin_url:
+        body = {"signed_parameters": jwt_encode({"meeting_id": record_set.meta_meeting_id, "record_id": record_id}, record_set.secret.get_valid_secret)}
+        response = post(record_set.recording_ready_origin_url, json=body)
+        print(f"Send record ready callback to: {record_set.recording_ready_origin_url} with return code: {response.status_code}")
+        if response.status_code < 200 or 299 < response.status_code:
+            return False
 
     record_set.status = RecordSet.RENDERED
     record_set.save()
-    print("Send record ready to Greenlight, if url exists")
-    if record_set.recording_ready_origin_url:
-        try:
-            print(f"send GET to: {record_set.recording_ready_origin_url}")
-            print(f"Status code: {get(record_set.recording_ready_origin_url).status_code}")
-        except:
-            pass
     return True