The Clickatell HTTP API offers simple, versatile internet connectivity to the Clickatell service and is one of seven SMS APIs offered. It allows you to send SMS messages around the world to your clients, staff or user-database. All the APIs support text, Unicode, binary SMS and flash messaging. This can be used either in the form of an HTTP POST or GET and includes Text, Flash, Unicode and 8-bit SMS messaging. Clickatell covers over 819 networks in more than 220 countries. Connecting you to the wireless world through simple integration while offering complete customization and personalization allowing the client to define the Sender ID and message content.