Reliable, scalable and customizable, our SMS APIs are designed to easily integrate with your systems and applications, backed by our reliable bulk SMS gateway.
Send batches of up to 500 destination numbers per submission in real-time.
Use email to SMS to send SMS notifications, reminders and alerts.
Once off, high volume message dispatches.
Perfect choice if you are connecting from a Windows-based programming environment.
Robust connection, suitable for large volumes of traffic.
A protocol for exchanging XML-based messages using HTTP/S.
Simplest, most popular way of programming your connection to Clickatell.
Language independent and simple to integrate legacy systems with our SMS gateway.
Get coding with our ready-made SMS scripts and libraries:
Find the latest SMS API technical documentation you need to get started.
Partner with one of the world’s leading messaging experts. Let us help you create outstanding experiences and interact with your customers anywhere in the world.
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