Text messaging using SMS providers such as Clickatell and OpenMarket is Notify.com's fastest, most reliable means to deliver text messages to cell phones, PDAs, Blackberrys—any device capable of receiving text messages using the SMS (Short Message System) protocol.

SMS is an industry standard, supported by virtually every wireless device in the world. Although there is a per-message cost associated with sending messages using SMS providers, their point-to-point communication method, and inherent speed and reliability, make this method the most common choice for delivery of critical communications.