{
  "code": 4001,
  "api_code": "PAYMENT_GATEWAY_REQUIRED",
  "message": "Payment gateway is required",
  "description": "A payment gateway must be specified",
  "error": true
}

{
  "code": 2000,
  "api_code": "VALIDATION_FAILED",
  "message": "Validation failed",
  "description": "One or more fields failed validation",
  "error": true,
  "validation_errors": [
    {
      "field": "shopper.email",
      "message": "Invalid email format",
      "value": "not-an-email"
    },
    {
      "field": "amount",
      "message": "Amount is required",
      "value": null
    }
  ]
}

{
  "code": 6105,
  "api_code": "DAVIPLATA_OTP_ERROR",
  "message": "Invalid or expired OTP",
  "description": "The OTP code provided is invalid or has expired",
  "error": true,
  "gateway_name": "daviplata"
}