List milestones for a project

Example response

{
  "entries": [
    {
      "id": 1,
      "project_id": 1,
      "created_by_user_id": 13473,
      "project_name": "Website Redesign",
      "created_by_user": {
        "id": 13473,
        "first_name": "John",
        "last_name": "Smith"
      },
      "status": {
        "id": 1,
        "name": "Not Started",
        "hex_color": "#9CA3AF",
        "status_type": "not_started"
      },
      "project": {
        "id": 1,
        "name": "Website Redesign",
        "description": "Complete redesign of the company website",
        "status": "open",
        "start_date": "2025-01-15",
        "end_date": "2025-06-30",
        "owner_id": 13473,
        "owner": {
          "id": 13473,
          "first_name": "John",
          "last_name": "Smith",
          "full_name": "John Smith"
        }
      },
      "milestone_tasks": [
        {
          "id": 1,
          "type": "CalendarTask",
          "name": "Research competitors",
          "due_date": "2025-01-20",
          "owner_id": 13473,
          "owner": {
            "id": 13473,
            "full_name": "John Smith"
          }
        }
      ],
      "milestone_events": [
        {
          "id": 2,
          "type": "CalendarEvent",
          "name": "Kickoff meeting",
          "start_time": "2025-01-16 09:00:00",
          "end_time": "2025-01-16 10:00:00",
          "start_time_date": "2025-01-16",
          "start_time_time": "09:00",
          "end_time_date": "2025-01-16",
          "end_time_time": "10:00",
          "owner_id": 13473,
          "owner": {
            "id": 13473,
            "full_name": "John Smith"
          }
        }
      ],
      "created_at": "2026-09-01 14:22:07",
      "updated_at": "2026-09-01 14:22:07",
      "name": "Phase 1 - Discovery",
      "project_milestone_status_id": 1,
      "start_date": "2025-01-15",
      "end_date": "2025-02-28",
      "milestone_tasks_attributes": [
        {
          "name": "Research competitors",
          "due_date": "2025-01-20",
          "owner_id": 13473
        }
      ],
      "milestone_events_attributes": [
        {
          "name": "Kickoff meeting",
          "start_time_date": "2025-01-16",
          "start_time_time": "09:00",
          "end_time_date": "2025-01-16",
          "end_time_time": "10:00",
          "owner_id": 13473
        }
      ]
    }
  ],
  "pagination": {
    "page": 1,
    "per_page": 200,
    "total": 670,
    "pages": 4,
    "total_in_account": 1204,
    "page_var": "page",
    "url": "/api/v3/deals.json"
  }
}