curl --request POST \
  --url https://{subdomain}.withrealm.com/api/external/alpha/chats/{chat_id}/approvals \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "assistant_message_id": "<string>",
  "responses": [
    {
      "tool_call_id": "<string>",
      "approved": true,
      "reason": "<string>"
    }
  ]
}
'

{
  "assistant_id": "<string>",
  "agent_id": "<string>",
  "created": 123,
  "created_date": "<string>",
  "content": "<string>",
  "research_mode": true,
  "output_format": "markdown",
  "status": "completed",
  "id": "<string>"
}