# Get org-wide usage for this month
curl "https://api.arkhq.io/v1/usage" \
  -H "Authorization: Bearer YOUR_API_KEY"

# Get usage for last month
curl "https://api.arkhq.io/v1/usage?period=last_month" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "period": {
      "start": "2024-01-01T00:00:00.000Z",
      "end": "2024-01-31T23:59:59.999Z"
    },
    "emails": {
      "sent": 50000,
      "delivered": 48500,
      "soft_failed": 500,
      "hard_failed": 300,
      "bounced": 500,
      "held": 200
    },
    "rates": {
      "delivery_rate": 0.97,
      "bounce_rate": 0.016
    },
    "tenants": {
      "total": 25,
      "active": 20,
      "withActivity": 18
    }
  },
  "meta": {
    "requestId": "req_abc123xyz"
  }
}