* Global Coverage - No boundaries. Send texts to any corner of the world. * Pay As You Go SMS - Free sign up, no contracts. Only pay for what you send. * Delivery Receipts - Find out if your messages were delivered. * Uptime - Multiple redundant systems. No maintenance windows. * Throughput - Multi-thread and batch your messages. We won't keep you waiting. * Security - We believe in providing fully secure systems. Your business depends on it.

* Bi-Directional Unicode - Messages are formatted to support non-English language and characters. * Message queuing - Logic to handle concurrent message requests. * SMS concatenation - Receive and send long, multi-part messages in the right order. * Global reach - One API that reaches nearly every country. * Picture messages - Send and receive pictures in the US and Canada. * Two-way API - Respond with TwiML and send with REST API. * Short Codes - 30 messages per second for time-sensitive SMS apps. * Track every message - Confirm message delivery with real-time status. * Set Maximum Price - Avoid expensive messages by creating a price limit.