curl --request GET \
  --url https://api.recoupable.dev/api/research/milestones

{
  "status": "success",
  "milestones": [
    {
      "source": "<string>",
      "activity_text": "<string>",
      "activity_type": "<string>",
      "activity_date": "2026-06-04",
      "activity_url": "<string>",
      "activity_avatar": "<string>",
      "activity_tier": 123,
      "track_info": {
        "title": "<string>",
        "avatar": "<string>",
        "release_date": "<string>",
        "site_url": "<string>",
        "artists": [
          {
            "name": "<string>"
          }
        ]
      }
    }
  ]
}