curl --request GET \
  --url https://brew.new/api/v1/usage \
  --header 'Authorization: Bearer <token>'

{
  "usage": {
    "overview": {
      "requests": 1284,
      "successRate": 98,
      "errors": 21,
      "rateLimited": 3
    },
    "trend": [
      {
        "date": "2026-04-08T00:00:00.000Z",
        "requests": 142,
        "errors": 2
      }
    ],
    "routes": [
      {
        "route": "/api/v1/emails",
        "requests": 420,
        "successRate": 97,
        "topErrorCode": "RATE_LIMITED"
      }
    ]
  }
}