diff --git a/app/models.py b/app/models.py
index fe2fd499f8..06cbaf7c66 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1365,6 +1365,8 @@ class Notification(db.Model):
 
     postage = db.Column(db.String, nullable=True)
     billing_code = db.Column(db.String(256), nullable=True)
+    callback_url = db.Column(db.String(255), nullable=True)
+
     CheckConstraint(
         """
         CASE WHEN notification_type = 'letter' THEN
diff --git a/migrations/versions/0370_notification_callback_url.py b/migrations/versions/0370_notification_callback_url.py
new file mode 100644
index 0000000000..b6d4ddeffa
--- /dev/null
+++ b/migrations/versions/0370_notification_callback_url.py
@@ -0,0 +1,19 @@
+"""
+Revision ID: 0370_notification_callback_url
+Revises: 0369a_va_profile_cache_fields
+Create Date: 2024-10-01 19:12:54.511134
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = '0370_notification_callback_url'
+down_revision = '0369a_va_profile_cache_fields'
+
+
+def upgrade():
+    op.add_column('notifications', sa.Column('callback_url', sa.String(length=255), nullable=True))
+
+
+def downgrade():
+    op.drop_column('notifications', 'callback_url')