http://kairospeak.com/
Kairospeak is the platform that helps people find arbitrage pairs along the crypto exchanges. It gets the real-time data for all tickers for supported exchanges. Based on this data, the service checks, if there are price differences that are big enough (including commissions for trade and withdrawal, current order book etc.) to get profit. If this difference is found, the platform will notify a user about that In other words, kairospeak - is the service that notifies users about price differences between exchanges