curl --request POST \
  --url https://backend.testeswaffle.org/referrals/update-fraud \
  --header 'Content-Type: application/json' \
  --data '{
    "batch_size": 500,
    "start_date": "2024-01-01",
    "end_date": "2024-01-31"
  }'

{
  "success": true,
  "data": {
    "processed": 1250,
    "updated": 876,
    "fraud_detected": 42,
    "processing_time": "12m 34s"
  }
}