curl -X GET https://api.yourapp.com/api/v1/invoices/FACT-12345 \
  -H "Authorization: Bearer <local_jwt>" \
  -H "X-Factus-Token: <factus_access_token>"

{
  "message": "Factura obtenida exitosamente",
  "data": {
    "status": "success",
    "message": "Invoice retrieved successfully",
    "data": {
      "company": {
        "name": "Your Company S.A.S.",
        "identification": "900123456",
        "address": "Calle 100 #10-20"
      },
      "customer": {
        "name": "Acme Corporation S.A.S.",
        "identification": "900123456",
        "email": "[email protected]",
        "address": "Calle 123 #45-67"
      },
      "bill": {
        "number": "FACT-12345",
        "prefix": "FACT",
        "reference_code": "INV-2024-001",
        "issue_date": "2024-01-15",
        "cufe": "abc123def456ghi789jkl012mno345pqr678stu901vwx234yz",
        "subtotal": 1000000.00,
        "tax_total": 190000.00,
        "total": 1190000.00
      },
      "items": [
        {
          "code_reference": "PROD-001",
          "name": "Software License",
          "quantity": 1,
          "price": 1000000.00,
          "tax_rate": 19.00,
          "total": 1190000.00
        }
      ]
    }
  }
}