Our Developer Archive site contains all the technical documentation for the Developer Central and Secure products. This would be relevant to all Clickatell accounts created prior to 15 November 2016.
Reliable, scalable and customizable, our SMS APIs are designed to easily integrate with your systems and applications, backed by our reliable bulk SMS gateway.
Choose from our ready-made scripting languages, which offer simple modification and the ability to send SMS messages with your own sender ID and delivery reports.
Get quick and easy access to a range of documents to help you write applications and interact with Clickatell APIs.