Payload cobrança

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "type": "pix",
  "status": "paid",
  "amount": 9900,
  "description": "Pedido #10482",
  "customer": "660e8400-e29b-41d4-a716-446655440001",
  "pix": {
    "reference": "tx-qr-1",
    "qrCode": "00020126...",
    "expiresAt": "2026-03-18T12:00:00.000Z"
  },
  "splits": [],
  "createdAt": "2026-03-18T11:50:00.000Z",
  "updatedAt": "2026-03-18T12:05:00.000Z"
}