curl --request GET \
  --url https://api.abacatepay.com/v1/billing/list \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "bill_123456",
      "url": "https://pay.abacatepay.com/bill-5678",
      "amount": 4000,
      "status": "PENDING",
      "devMode": true,
      "methods": [
        "PIX"
      ],
      "products": [
        {
          "id": "prod_123456",
          "externalId": "prod-1234",
          "quantity": 2
        }
      ],
      "frequency": "ONE_TIME",
      "nextBilling": "null",
      "customer": {
        "id": "bill_123456",
        "metadata": {
          "name": "Daniel Lima",
          "cellphone": "(11) 4002-8922",
          "email": "daniel_lima@abacatepay.com",
          "taxId": "123.456.789-01"
        }
      },
      "allowCoupons": false,
      "coupons": []
    }
  ],
  "error": null
}