curl --request GET \
  --url https://app.alana.shopping/api/workspace/{workspaceId}/billing/usage \
  --header 'Authorization: Bearer <token>'

{
  "api_calls": {
    "used": 45000,
    "limit": 100000
  },
  "ai_generations": {
    "used": 250,
    "limit": 1000
  },
  "storage_mb": {
    "used": 512,
    "limit": 5000
  },
  "seats": {
    "used": 5,
    "limit": 10
  }
}