* Provide sample code, reusable libraries and tips for using the Esendex APIs within your applications. * Support many programming languages. * Easy to use.

* Rest API - Send batches of up to 500 destination numbers per submission in real-time. * SMTP/Email to SMS - Use email to SMS to send SMS notifications, reminders and alerts. * FTP API - Once off, high volume message dispatches. * SMPP - Robust connection, suitable for large volumes of traffic. * COM Object - Perfect choice if you are connecting from a Windows-based programming environment. * SOAP API - A protocol for exchanging XML-based messages using HTTP/S. * HTTP/S API - Simplest, most popular way of programming your connection to Clickatell. * XML - Language independent and simple to integrate legacy systems with our SMS gateway.