curl "https://app.trackrev.io/api/v1/links?days=30&limit=100" \
  -H "Authorization: Bearer <your secret key>"

{
  "window": { "from": "2026-06-21T00:00:00.000Z", "to": "2026-07-21T00:00:00.000Z" },
  "links": [
    {
      "slug": "spring-newsletter",
      "channel": "newsletter",
      "destination": "https://yourapp.com/pricing",
      "clicks": 412,
      "visitors": 388,
      "conversions": 21,
      "revenue": 1890.0
    }
  ]
}