curl --request GET \
  --url https://api.mediapi.dev/v1/usage \
  --header 'X-API-Key: <api-key>'

{
  "plan": "pro",
  "billing_period": "2026-03-01",
  "gb_used": 5.234,
  "gb_included": 25,
  "gb_remaining": 19.766,
  "total_jobs": 123
}