Obter Saldo da Conta

curl --request GET \
  --url https://api-gateway.firebanking.com.br/v1/account/balance \
  --header 'x-api-key: sua_chave_api'

{
  "id": "6642d54caff30523094a6584c",
  "totalBalance": 4.02,
  "blockedBalance": 1.26,
  "availableBalance": 2.76,
  "consultedAt": "2024-01-15T10:30:45.123Z"
}

curl --request POST \
  --url https://api-gateway.firebanking.com.br/v1/account/webhook \
  --header 'x-api-key: sua_chave_api' \
  --header 'Content-Type: application/json' \
  --data '{
    "pixWebhookUrl": "https://meusite.com/webhooks/pix"
  }'

class BalanceCache {
  constructor(maxAge = 30000) { // 30 segundos
    this.cache = null;
    this.maxAge = maxAge;
  }

  async getBalance() {
    if (this.isValid()) {
      return this.cache;
    }

    const balance = await this.fetchFromAPI();
    this.cache = balance;
    return balance;
  }

  isValid() {
    if (!this.cache) return false;

    const consultedAt = new Date(this.cache.consultedAt);
    const now = new Date();

    return (now - consultedAt) < this.maxAge;
  }
}