curl --request GET \
  --url https://vcm-fyi-api.fly.dev/v1/api-keys/usage \
  --header 'X-API-KEY: <api-key>'

{
  "total_calls_this_month": 123,
  "total_calls_today": 123,
  "calls_by_endpoint": [
    {}
  ],
  "calls_by_day": [
    {}
  ]
}