Consumo e saldo

curl https://api.payapp.ferreirakorp.com/v1/usage \
  -H "X-API-Key: pk_live_…"

{
  "ok": true,
  "mes": "2026-08",
  "usadas": 37,
  "gratis": 100,
  "restantes_gratis": 63,
  "creditos_kz": 5000,
  "verificacoes_pagas": 100,
  "preco_kz": 50
}