curl -X POST "https://sandbox.cucu.bo/api/v1/invoices/a1b2c3d4-e5f6-7890-abcd-ef1234567890/revert-cancel" \
  -H "X-API-Key: YOUR_API_KEY"

const response = await fetch(
  'https://sandbox.cucu.bo/api/v1/invoices/a1b2c3d4-e5f6-7890-abcd-ef1234567890/revert-cancel',
  {
    method: 'POST',
    headers: { 'X-API-Key': 'YOUR_API_KEY' }
  }
);
const data = await response.json();

import requests

response = requests.post(
    'https://sandbox.cucu.bo/api/v1/invoices/a1b2c3d4-e5f6-7890-abcd-ef1234567890/revert-cancel',
    headers={'X-API-Key': 'YOUR_API_KEY'}
)
print(response.json())

{
  "success": true,
  "message": "Anulación revertida exitosamente",
  "data": {
    "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "invoiceNumber": 5,
    "cuf": "2872F7294502332E637FABFBC3654EA82202AD48E0969F14EBEB8AF74",
    "state": "VALIDATED",
    "siatState": "VALIDATED"
  },
  "timestamp": "2026-02-11T15:00:00"
}

{
  "success": false,
  "error": {
    "code": "CONFLICT",
    "details": "La factura no está anulada (estado actual: VALIDATED)"
  },
  "timestamp": "2026-02-11T15:00:00"
}