diff --git a/app/views/public/api/v1/models/_conversation.json.jbuilder b/app/views/public/api/v1/models/_conversation.json.jbuilder
index 7029238d9..25d888d3f 100644
--- a/app/views/public/api/v1/models/_conversation.json.jbuilder
+++ b/app/views/public/api/v1/models/_conversation.json.jbuilder
@@ -2,6 +2,7 @@ json.id resource.display_id
 json.inbox_id resource.inbox_id
 json.contact_last_seen_at resource.contact_last_seen_at.to_i
 json.status resource.status
+json.agent_last_seen_at resource.agent_last_seen_at.to_i
 json.messages do
   json.array! resource.messages do |message|
     json.partial! 'public/api/v1/models/message.json.jbuilder', resource: message