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

{
  "plan": {
    "key": "pro",
    "name": "Pro"
  },
  "credits": {
    "limit": 50000,
    "used": 364,
    "remaining": 49636
  },
  "emailSends": {
    "limit": 200000,
    "used": 0,
    "remaining": 200000
  },
  "period": {
    "start": "2026-05-28T18:10:35.000Z",
    "end": "2026-06-28T18:10:35.000Z"
  }
}