curl "https://app.ranked.ai/api/v1/projects/{projectId}/backlinks" \
  -H "Authorization: Bearer rk_live_your_api_key"

{
  "success": true,
  "data": [
    {
      "id": "abc-123",
      "target_domain": "siouxcitytreeco.com",
      "total_backlinks": 58,
      "total_referring_domains": 54,
      "rank": 0,
      "last_summary_update": "2026-05-02"
    }
  ]
}