opt_fields to get any information from this endpoint.num_tasks, num_incomplete_tasks, and num_completed_tasks counts.curl --location --request GET 'https://app.asana.com/api/1.0/projects//task_counts'{
    "data": {
        "num_completed_milestones": 3,
        "num_completed_tasks": 150,
        "num_incomplete_milestones": 7,
        "num_incomplete_tasks": 50,
        "num_milestones": 10,
        "num_tasks": 200
    }
}