Deposit and withdrawal alerts
Each payment, checked against the ones before it.
Send a deposit or a withdrawal. The service saves it with that person's history, runs four rules over the pattern, and replies with the alerts it raises.
Try a case
Pick a prepared case, or send your own.
Deposits climbing fast
one person
200, alert_codes [300, 123]
300 three rising deposits
123 over 200 in 30 seconds