curl -H "Authorization: Bearer $SUBSCRIPTION_MANAGER_API_KEY" \
  "https://your-site.example/api/v1/analytics/summary?horizonDays=30"

{
  "summary": {
    "asOf": "2026-06-16T00:15:00.000Z",
    "horizonDays": 30,
    "counts": { "total": 7, "active": 5, "paused": 1, "cancelled": 1 },
    "byCurrency": [
      { "currency": "USD", "activeSubscriptions": 4, "monthlyTotal": 234.99, "yearlyTotal": 2819.88 }
    ],
    "byCategory": [
      { "category": "Streaming", "activeSubscriptions": 2, "monthlyTotalsByCurrency": { "USD": 24.99 } }
    ],
    "upcomingRenewals": [
      { "id": "...", "name": "Rakuten", "category": "Shopping", "amount": 1000, "currency": "JPY", "period": "monthly", "nextPaymentDate": "2026-06-18", "daysUntilRenewal": 2 }
    ]
  },
  "requestId": "request-..."
}

curl -H "Authorization: Bearer $SUBSCRIPTION_MANAGER_API_KEY" \
  "https://your-site.example/api/v1/analytics/duplicates"

{
  "duplicates": [
    {
      "normalizedName": "netflix",
      "subscriptions": [
        { "id": "...", "name": "Netflix", "category": "Streaming", "amount": 15.99, "currency": "USD", "period": "monthly", "status": "active" },
        { "id": "...", "name": "netflix", "category": "Streaming", "amount": 9.99, "currency": "USD", "period": "monthly", "status": "active" }
      ]
    }
  ],
  "requestId": "request-..."
}

curl -H "Authorization: Bearer $SUBSCRIPTION_MANAGER_API_KEY" \
  "https://your-site.example/api/v1/analytics/optimizations"

{
  "optimizations": {
    "monthlyToAnnual": [
      { "id": "...", "name": "AWS", "currency": "USD", "monthlyAmount": 200, "yearlyAtCurrentRate": 2400 }
    ],
    "aboveAverageInCurrency": [
      { "id": "...", "name": "AWS", "currency": "USD", "monthlyEquivalent": 200, "currencyMonthlyAverage": 58.75 }
    ]
  },
  "requestId": "request-..."
}